Journal Articles Published
74. Ahrum Jeong, Jae Myung Choi, Hyun-Jae Lee, Gee-Yeong Kim, Jong-Keuk Park, Won Mok Kim, Seungkuk Kuk, Zhen Wang, David J. Hwang, Hyeonggeun Yu, Jeung-hyun Jeong, 2021, "Transparent back-junction control in Cu(In,Ga)Se2 absorber for high-efficiency, color-neutral, and semitransparent solar module," Progress in Photovoltaics, https://doi.org/10.1002/pip.3520.
73. Yang Yang, Sarah Y. Wang, Bin Xiang, Sheng Yin, Thomas C. Pekin, Xiaoqing Li, Ruopeng Zhang, Kayla Yano, David Hwang, Mark Asta, Costas Grigoropoulos, Frances I. Allen, Andrew M. Minor, 2021, "Evaluating the efects of pillar shape and gallium ion beam damage on the mechanical properties of single crystal aluminum nanopillars," Journal of Materials Research, 36, 2515–2528.
72. Zhen Wang , Dhiraj Nandyala , Carlos E. Colosqui , Thomas Cubaud , David J. Hwang, 2021, "Glass surface micromachining with simultaneous nanomaterial deposition by picosecond laser for wettability control," Applied Surface Science 546 (2021) 149050.
71. Xiaoyi Hu, Zhen Wang, David J. Hwang, Carlos E. Colosqui and Thomas Cubaud, 2021, "Viscous liquid–liquid wetting and dewetting of textured surfaces," Soft Matter, Advance article, 17, 879-886.
70. D Nandyala, Z Wang, DJ Hwang, T Cubaud, C Colosqui, 2020, "Design, fabrication, and analysis of a capillary diode for potential application in water-oil separation," ACS Applied Materials & Interfaces, 12, 41, 45950–45960.
69. X Hu, Z Wang, DJ Hwang, T Cubaud, 2020, "Forced wetting and dewetting of water and oil droplets on planar microfluidic grids," Langmuir 36 (31), 9269-9275.
68. Woosuk Choi, Imtisal Akhtar, Dongwoon Kang, Yeon-jae Lee, Jongwan Jung, Yeon Ho Kim, Chul-Ho Lee, David J. Hwang, Yongho Seo, 2020, "Optoelectronics of Multijunction Heterostructures of Transition Metal Dichalcogenides," Nano Letters, 20(3) 1934-1943.
67. Kunsik An, Ho-Nyun Lee, Kwan Hyun Cho, Seung-Woo Lee, David J. Hwang*, Kyung-Tae Kang*, 2020, "Role of a 193 nm ArF Excimer Laser in Laser-Assisted Plasma-Enhanced Chemical Vapor Deposition of SiNx for Low Temperature Thin Film Encapsulation," Micromachines, 11(1), 88.
66. Kuk, S.K., Wang, Z., Yu, H.G., Nam, C.Y., Jeong, J.H., and Hwang, D.J., 2020, “Nanosecond laser scribing for see-through CIGS thin film solar cells,” Progress in Photovoltaics, 28(2), 135.
65. Wang, Z., Kuk, S.K., Kang, B.S., Lee, P.L., Jeong, J.H., and Hwang, D.J., 2020, “One-step P2 scribing of organometal halide perovskite solar cells by picosecond laser of visible wavelength,” Applied Surface Science, 505, 144408.
64. Muzhaozi Yuan, Ya Wang , David Hwang, and Jon P. Longtin, 2019, "Thermocouple-tip-exposing temperature assessment technique for evaluating photothermal conversion efficiency of plasmonic nanoparticles at low laser power density," Review of Scientific Instruments 90, 094902.
63. Wang, Z., Kuk, S.K., Kim, W.M., Jeong, J.H., and Hwang, D.J., 2019, “Picosecond laser scribing of bilayer molybdenum thin films on flexible polyimide substrate,” Applied Surface Science 493(1) 320-330.
62. Kuk, S.K., Wang, Z., Jia, Z., Zhang, T., Park, J.K., Kim, W.M., Wang, L., Jeong, J.H., and Hwang, D.J., 2019, “Effect of Nanosecond Laser Beam Shaping on Cu(In,Ga)Se2 Thin Film Solar Cell Scribing,” ACS Applied Energy Materials 2(7) 5057-5065.
61. E Kim, J Rho, S Ryu, D Hwang, Y Lee, K Kim, C Grigoropoulos, 2019, “Length-controlled and selective growth of individual indium nitride nanowires by localized laser heating,” Applied Physics Express 12 (5), 056501.
60. Park, B.K., Hwang, D.J., Kwon, D.E., Yoon, T.J., and Lee, Y.W., 2018, "Fabrication and Characterization of Multiscale PLA Structures Using Integrated Rapid Prototyping and Gas Foaming Technologies," Nanomaterials, Vol. 8, pp. 575.
59. Kang, K.T., Roh, Y.S., Park, H.K., and Hwang, D.J., 2018, “Investigation of elemental composition change by laser ablation of a rare-earth containing material," Physica Status Solidi A, 1700947 (1-6).
58. Kuk, S.K., Wang, Z., Fu, S., Zhang, T., Yu, Y.Y., Choi, J.M., Jeong, J.H., and Hwang, D.J., 2018, "Nanosecond laser scribing of CIGS thin film solar cell based on ITO bottom contact," Applied Physics Letters, Vol. 112, pp. 134102.
57. Jia, Z., Wang, Z., Hwang, D.J., and Wang, L., 2018, "Prediction of the Effective Thermal Conductivity of Hollow Sphere Foams," ACS Appl. Energy Mater., Vol. 1, No. 3, pp. 1146.
56. Kuk, S.K., Nam, H.K., Wang, Z., and Hwang, D.J., 2018, "Effect of Laser Beam Dimension on Laser-Assisted Chemical Vapor Deposition of Silicon Nitride Thin Films," Journal of Nanoscience and Nanotechnology,Vol. 1, No. 18, pp. 7085.
55. Mahder Tewolde, Tao Zhang, Hwasoo Lee, Sanjay Sampath, David Hwang and Jon Longtin, 2017, "Laser Processing of Multilayered Thermal Spray Coatings: Optimal Processing Parameters," J Therm Spray Tech, Vol. 26, No. 8, pp. 1994-2004.
54. Zhang, T., Wang, Z., and Hwang, D.J., 2017, "Metal oxide hollow nanoparticles formation by a single nanosecond pulsed laser ablation in liquid," Applied Physics A, Vol. 123, pp. 616.
53. Wang, Z., Zhang, T., Park, B.K., Lee, W.I., and Hwang, D.J., 2017, “Minimal contact formation between hollow glass microparticles toward low-density and thermally insulating composite materials,” Journal of Materials Science, Vol. 52, No. 11, pp. 6726–6740.
52. Wang, Z., Zhang, T., Park, B.K., Lee, W.I., and Hwang, D.J., 2017, “Hybrid Nanostructure Formation on Hollow Glass Microparticles as Thermally Insulating Composite Elements," Nanoscience and Nanotechnology Letters, Vol. 9, No. 4, pp. 541-547.
51. Hwang, D.J., Kuk, S.K., Wang, Z., Fu, S., Zhang, T., Kim, G.Y., Kim, W.M., and Jeong, J.H., 2017, “Laser scribing of CIGS thin-film solar cell on flexible substrate,” Applied Physics A, Vol. 123, pp.55.
50. Wang, M., Hosoda, T., Shterengas, L., Kipshidze, G., Hwang, D.J., Belenky, G., 2017, “Narrow ridge GaSb-based cascade diode lasers fabricated by methane-hydrogen reactive ion etching,” Electronics Letters, Vol. 53, No. 1 pp. 40–42.
49. Yoo, J.H., Kim, E.P., and Hwang, D.J., 2016, “Femtosecond laser patterning, synthesis, defect formation and structural modification of graphene and atomic layer materials,” December Issue on Ultrafast Laser Synthesis and Modification of Materials, MRS Bulletin, Vol. 41, No. 12. pp. 1002-1007.
48. Ha, J.H., Lee, B.J., Hwang, D.J., and Kim, D.S., 2016, “Femtosecond laser nanowelding of silver nanowires for transparent conductive electrodes,” RCS Advances, Vol. 6, pp. 86232-86239.
47. Kuk, S.K., Park, J.M., Zhang, T., Lee, H.N., Cho, K.H., Kang, K.T., and Hwang, D.J., 2016, “Low Temperature Deposition of Inorganic Thin Films by Ultraviolet Laser-Assisted Chemical Vapor Deposition,” Nanoscience and Nanotechnology Letters, Vol. 8, No. 7, pp.586-591.
46. Ryu, S.G., Kim, E.P., Allen, F.I., Hwang, D.J., Minor, A.M., and Grigoropoulos, C.P., 2016, “Incubation behavior of silicon nanowire growth investigated by laser-assisted rapid heating,” Applied Physics Letters, Vol. 109, pp.073106.
45. Tewolde, M., Fu, G., Hwang, D.J., Zuo, L., Sampath, S., and Longtin, J.P., 2016, “Thermoelectric Device Fabrication Using Thermal Spray and Laser Micromachining,” Journal of Thermal Spray Technology, Vol. 25, No. 3, pp.431–440.
44. Ryu, S.G., Kim, E.P., Hwang, D.J., and Grigoropoulos, C.P., 2015, “Selective and directed growth of silicon nanowires by tip-enhanced local electric field,” Applied Physics A, Vol. 121, No. 1, pp.255-260.
43. Ryu, S.G., Kim, E.P., Hwang, D.J., and Grigoropoulos, C.P., 2014, “Tip-based nanoscale selective growth of discrete silicon nanowires by near-field laser illumination,” Applied Physics A, Vol. 116, No. 1, pp.51-58.
42. In, J.B., Xiang, B., Hwang, D.J., Ryu, S. G., Kim, E., Yoo, J. H., Dubon, O., Minor, A.M., and Grigoropoulos, C.P., 2014, “Generation of Single-Crystalline Domain in Nano-Scale Silicon Pillars by Near-Field Short Pulsed Laser,” Applied Physics A, Vol. 114, pp.277-285.
41. Longtin, J.P., Zuo, L., Hwang, D.J., Fu, G., Tewolde, M., Chen, Y., and Sampath, S., 2013, “Fabrication of Thermoelectric Devices Using Thermal Spray,” Journal of Thermal Spray Technology, Vol. 22, No. 5, pp.577-587.
40. Ryu, S.G., Kim, E.P., Yoo, J.H., Hwang, D.J., Xiang, B., Dubon, O.D., Minor, A.M., and Grigoropoulos, C.P., 2013, “On demand shape-selective integration of individual vertical Germanium nanowires on a Si(111) substrate via laser-localized heating,” ACS Nano, Vol. 7, No. 3, pp.2090-2098.
39. Xiang, B., Hwang, D.J. (equal contribution), In, J.B., Ryu, S.G., Yoo, J.H., Dubon, O., Minor, A.M., and Grigoropoulos, C.P., 2012, “In-situ TEM near-field optical probing of nanoscale silicon crystallization,” Nano Letters, Vol. 12, pp.2524-2529.
38. Ahn, S.H., Hwang, D.J., Park H.K., and Grigoropoulos, C.P., 2012, “Femtosecond laser drilling of crystalline and multicrystalline silicon for advanced solar cell fabrication,” Applied Physics A, Vol. 108, No. 1, pp.113-120.
37. Hwang, D.J., Xiang, B., Ryu, S.G., Dubon, O., Minor, A.M., and Grigoropoulos, C.P., 2011, “In situ monitoring of optical near-field material processing by electron microscopes,” Applied Physics A, Vol. 105, No. 2, pp.317-321.
36. Hwang, D.J., Ryu, S.G., Kim, E.P., Grigoropoulos, C.P., and Carraro, C., 2011, “On demand-direct synthesis of Si and Ge nanowires on a single platform by a focused laser,” Applied Physics Letters, Vol. 99, pp.123109.
35. Hwang, D.J., Ryu, S.G., and Grigoropoulos, C.P., 2011, “Multi-parametric growth of silicon nanowires in a single platform by laser-induced localized heat sources,” Nanotechnology, Vol. 22, pp.385303.
34. Jeon, H., Schmidt, R., Barton, J.E., Hwang, D.J., Gamble, L., Castner, D., Grigoropoulos, C.P., and Healy, K.E., 2011, “Chemical Patterning of Ultrathin Polymer Flims by Direct-Write Multiphoton Lithography,” Journal of American Chemical Society, Vol. 133, pp. 6138-6141.
33. Pan, H., Hwang, D.J., Ko, S.H., Clem, T.A., Frechet, J.M.J., Bauerle, D., and Grigoropoulos, C.P., 2010, “High-Throughput Near-Field Optical Nanoprocessing of Solution-Deposited Nanoparticles," Small, Vol. 6, No. 16, pp.1812–1821.
32. Jeon, H., Hidai, H., Hwang, D.J., Healy, K.E., and Grigoropoulos, C.P., 2010, “The Effect of Micronscale Anisotropic Cross Patterns on Fibroblast Migration,” Biomaterials, Vol. 31, pp. 4286-4295.
31. Lee, M.T., Werhahn, M., Hwang, D.J., Hotz, N., Greif, R., Poulikakos, D., and Grigoropoulos, C.P., 2010, “Hydrogen Production with a Solar Steam-Methanol Reformer and Colloid Nanocatalyst,” International Journal of Hydrogen Energy, Vol. 35, pp. 118-126.
30. Farshchi, R., Hwang, D.J., Chopdekar, R.V., Ashby, P.D., Grigoropoulos, C.P., and Dubon, O.D., 2009, “Ultra-fast laser dissociation of Mn-H complexes in GaAs using femtosecond pulses,” Journal of Applied Physics, Vol. 106, pp.103918.
29. Farshchi, R., Hwang, D.J., Misra, N., Julaton III, C.C., Yu, K.M., Grigoropoulos, C.P., and Dubon, O.D., 2009, “Structural, magnetic, and transport properties of laser-annealed GaAs:Mn–H,” Journal of Applied Physics, Vol. 106, pp.013904, also Selected as Virtual Journal of Nanoscale Science & Technology.
28. Jeon, H.J., Hidai, H., Hwang, D.J., and Grigoropoulos, C.P., 2009, “Fabrication of arbitrary polymer patterns for cell study by two-photon polymerization process,” Journal of Biomedical Materials Research A, Vol. 93A, pp.56-66.
27. Hwang, D.J., Ryu, S.G., Misra, N., Jeon, H.J., and Grigoropoulos, C.P., 2009, “Nanoscale Laser Processing and Diagnostics,” Applied Physics A, Vol. 96, pp.289–306.
26. Hwang, D.J., Kim, M., Hiromatsu, K., Jeon, H., and Grigoropoulos, C.P., 2009, “Three-dimensional opto-fluidic devices fabricated by ultrashort laser pulses for high throughput single cell detection and processing,” Applied Physics A, Vol. 96, pp. 385–390.
25. Hwang, D.J., Hiromatsu, K., Hidai, H., and Grigoropoulos, C.P., 2009, “Self-guided Glass Drilling by Femtosecond Laser Pulses,” Applied Physics A, Vol. 94, pp.555-558.
24. Lee, M.T., Hwang, D.J., Grigoropoulos, C.P., and Greif, R., 2009, “Nanocatalyst Fabrication and the Production of Hydrogen by Using Photon Energy,” International Journal of Hydrogen Energy, Vol. 34, No. 4, pp.1835-1843.
23. Hidai, H., Jeon, H.J., Hwang, D.J., and Grigoropoulos, C.P., 2009, “Self-standing aligned fiber scaffold fabrication by two photon photopolymerization,” Biomedical Microdevices, Vol. 11, pp. 643–652.
22. Kim, M., Hwang, D.J., Jeon, H., Hiromatsu, K., and Grigoropoulos, C.P., 2009, “Single cell detection using the glass-based optofluidic device fabricated by femtosecond laser pulses,” Lab-on-a-chip, Vol. 9, pp.311-318.
21. Hiromatsu, K., Hwang D.J., and Grigoropoulos, C.P., 2008, “Active Glass Nanoparticles By Ultrafast Laser Pulses,” Micro & Nano Letters, Vol. 3, No. 4, pp.121-124.
20. Hwang, D.J., Misra, N., Mao, S.S., Grigoropoulos, C.P., and Minor, A., 2008, “In situ monitoring of material processing by a pulsed laser beam coupled via a lensed fiber into a scanning electron microscope,” Journal of Vacuum Science and Technology A, Vol. 26, No. 6, pp.1432-1438.
19. Hirofumi, H., Hwang, D.J., and Grigoropouls, C.P., 2008, “Self-growth fiber fabrication by two photon photopolymerization,” Applied Physics A, Rapid Communication, Vol. 93, No. 2, pp.443-445.
18. Hwang, D.J., Jeon, H.J., Grigoropoulos, C.P., Yoo, J., and Russo, R.E., 2008, “Laser ablation-induced spectral plasma characteristics in optical far- and near-fields,” Journal of Applied Physics, Vol. 104, pp.013110.
17. Stratakis, E., Marsa, N., Spanakis, E., Hwang, D.J., Grigoropoulos, C.P., Fotakis, C., and Tzanetakis, P., 2008, “Imaging dielectric properties of Si nanowire oxide with conductive atomic force microscopy complemented with femtosecond laser illumination,” Nano Letters, Vol. 8, No. 7, pp.1949 – 1953.
16. Hwang, D.J., Misra, N., Grigoropoulos, C.P., Minor, A.M., and Mao, S.S., 2008, “In situ monitoring of laser cleaning by coupling a pulsed laser beam with a scanning electron microscope,” Applied Physics A, Rapid Communication, Vol. 91, No. 2, pp. 219-222.
15. Farshchi, R., Dubon, O.D., Hwang, D.J., Ashby, P.D., Misra, N., and Grigoropoulos, C.P., 2008, “Laser activation of ferromagnetism in hydrogenated Ga1-xMnxAs,” Applied Physics Letters, Vol. 92, pp.012517, also Selected as Virtual Journal of Nanoscale Science & Technology.
14. Hwang, D.J., Jeon, H.J., Grigoropoulos, C.P., Yoo, J., and Russo, R.E. 2007, “Femtosecond laser ablation induced plasma characteristics from sub-micron craters in thin metal film," Applied Physics Letters, Vol. 91, pp.251118.
13. Farshchi, R., Ashby, P.D., Hwang, D.J., Grigoropoulos, C.P., Chopdekar, RV., Suzuki, Y., and Dubon, O.D., 2007, “Hydrogen patterning of Ga1-xMnxAs for planar spintronics,” Physica B, Vol. 401, pp.447-450.
12. Ko, S.H., Pan, H., Hwang, D.J., Chung, J., Ryu, S., Grigoropoulos, C.P., and Poulikakos, D., 2007, “High resolution selective multilayer laser processing by nanosecond laser ablation of metal nanoparticle films,” Journal of Applied Physics, Vol. 102, pp.093102.
11. Grigoropoulos, C.P., Hwang, D.J., and Chimmalgi, A., 2007, “Nanometer-scale laser direct-write using near-field optics," MRS Bulletin, Vol. 32, January Issue.
10. Chimmalgi, A., Hwang, D.J., and Grigoropoulos, C.P., 2007, “Near-field scanning optical microscopy based nanostructuring of glass,” Journal of Physics: Conference Series, Vol. 59, pp.285–288.
9. Hwang, D.J., Grigoropoulos, C.P., Yoo, J., and Russo, R.E., 2006, “Optical near-field ablation-induced plasma characteristics,” Applied Physics Letters, Vol. 89, pp.254101, also Selected as Virtual Journal of Ultrafast Science.
8. Ko, S.H., Choi, Y., Hwang, D.J., Grigoropoulos, C.P., Chung, J., and Poulikakos, D., 2006, “Nanosecond laser ablation of gold nanoparticle films,” Applied Physics Letters, Vol. 89, No. 14, pp.141126.
7. Hwang, D.J., Grigoropoulos, C.P., and Choi, T.Y., 2006, “Efficiency of silicon micromachining by femtosecond laser pulses in ambient air,” Journal of Applied Physics, Vol. 99, No. 8, pp.083101.
6. Hwang, D.J., Chimmalgi, A., Grigoropoulos, C.P., 2006, “Ablation of thin metal films by short-pulsed lasers coupled through near-field scanning optical microscopy probes," Journal of Applied Physics, Vol. 99, No. 4, pp.044905.
5. Chimmalgi, A., Hwang, D.J., and Grigoropoulos, C.P., 2005, “Nanoscale rapid melting and crystallization of semiconductor thin films,” Nano Letters, Vol. 5, No. 10, pp.1924.
4. Hwang, D.J., Choi, T.Y., and Grigoropoulos, C.P., 2004, “Liquid-assisted femtosecond laser drilling of straight and three-dimensional microchannels in glass,” Applied Physics A-Materials Science & Processing, Vol. 79, No. 3, pp.605.
3. Choi, T.Y., Hwang, D.J., and Grigoropoulos, C.P., 2003, “Ultrafast laser-induced crystallization of amorphous silicon films,” Optical Engineering, Vol. 42, No. 11, pp. 3383-3388.
2. Choi, T.Y., Hwang, D.J., and Grigoropoulos, C.P., 2002, “Femtosecond laser induced ablation of crystalline silicon upon double beam irradiation,” Applied Surface Science, Vol. 197, pp.720.
1. Hwang, D.J., Kim, J.I., and Kauh, S.K., 1998, “Temperature compensation of transit time difference type ultrasonic air flowmeter,” Journal of Korean Society of Mechanical Engineering, Vol. 22B, No. 10, pp.1359-1367.
73. Yang Yang, Sarah Y. Wang, Bin Xiang, Sheng Yin, Thomas C. Pekin, Xiaoqing Li, Ruopeng Zhang, Kayla Yano, David Hwang, Mark Asta, Costas Grigoropoulos, Frances I. Allen, Andrew M. Minor, 2021, "Evaluating the efects of pillar shape and gallium ion beam damage on the mechanical properties of single crystal aluminum nanopillars," Journal of Materials Research, 36, 2515–2528.
72. Zhen Wang , Dhiraj Nandyala , Carlos E. Colosqui , Thomas Cubaud , David J. Hwang, 2021, "Glass surface micromachining with simultaneous nanomaterial deposition by picosecond laser for wettability control," Applied Surface Science 546 (2021) 149050.
71. Xiaoyi Hu, Zhen Wang, David J. Hwang, Carlos E. Colosqui and Thomas Cubaud, 2021, "Viscous liquid–liquid wetting and dewetting of textured surfaces," Soft Matter, Advance article, 17, 879-886.
70. D Nandyala, Z Wang, DJ Hwang, T Cubaud, C Colosqui, 2020, "Design, fabrication, and analysis of a capillary diode for potential application in water-oil separation," ACS Applied Materials & Interfaces, 12, 41, 45950–45960.
69. X Hu, Z Wang, DJ Hwang, T Cubaud, 2020, "Forced wetting and dewetting of water and oil droplets on planar microfluidic grids," Langmuir 36 (31), 9269-9275.
68. Woosuk Choi, Imtisal Akhtar, Dongwoon Kang, Yeon-jae Lee, Jongwan Jung, Yeon Ho Kim, Chul-Ho Lee, David J. Hwang, Yongho Seo, 2020, "Optoelectronics of Multijunction Heterostructures of Transition Metal Dichalcogenides," Nano Letters, 20(3) 1934-1943.
67. Kunsik An, Ho-Nyun Lee, Kwan Hyun Cho, Seung-Woo Lee, David J. Hwang*, Kyung-Tae Kang*, 2020, "Role of a 193 nm ArF Excimer Laser in Laser-Assisted Plasma-Enhanced Chemical Vapor Deposition of SiNx for Low Temperature Thin Film Encapsulation," Micromachines, 11(1), 88.
66. Kuk, S.K., Wang, Z., Yu, H.G., Nam, C.Y., Jeong, J.H., and Hwang, D.J., 2020, “Nanosecond laser scribing for see-through CIGS thin film solar cells,” Progress in Photovoltaics, 28(2), 135.
65. Wang, Z., Kuk, S.K., Kang, B.S., Lee, P.L., Jeong, J.H., and Hwang, D.J., 2020, “One-step P2 scribing of organometal halide perovskite solar cells by picosecond laser of visible wavelength,” Applied Surface Science, 505, 144408.
64. Muzhaozi Yuan, Ya Wang , David Hwang, and Jon P. Longtin, 2019, "Thermocouple-tip-exposing temperature assessment technique for evaluating photothermal conversion efficiency of plasmonic nanoparticles at low laser power density," Review of Scientific Instruments 90, 094902.
63. Wang, Z., Kuk, S.K., Kim, W.M., Jeong, J.H., and Hwang, D.J., 2019, “Picosecond laser scribing of bilayer molybdenum thin films on flexible polyimide substrate,” Applied Surface Science 493(1) 320-330.
62. Kuk, S.K., Wang, Z., Jia, Z., Zhang, T., Park, J.K., Kim, W.M., Wang, L., Jeong, J.H., and Hwang, D.J., 2019, “Effect of Nanosecond Laser Beam Shaping on Cu(In,Ga)Se2 Thin Film Solar Cell Scribing,” ACS Applied Energy Materials 2(7) 5057-5065.
61. E Kim, J Rho, S Ryu, D Hwang, Y Lee, K Kim, C Grigoropoulos, 2019, “Length-controlled and selective growth of individual indium nitride nanowires by localized laser heating,” Applied Physics Express 12 (5), 056501.
60. Park, B.K., Hwang, D.J., Kwon, D.E., Yoon, T.J., and Lee, Y.W., 2018, "Fabrication and Characterization of Multiscale PLA Structures Using Integrated Rapid Prototyping and Gas Foaming Technologies," Nanomaterials, Vol. 8, pp. 575.
59. Kang, K.T., Roh, Y.S., Park, H.K., and Hwang, D.J., 2018, “Investigation of elemental composition change by laser ablation of a rare-earth containing material," Physica Status Solidi A, 1700947 (1-6).
58. Kuk, S.K., Wang, Z., Fu, S., Zhang, T., Yu, Y.Y., Choi, J.M., Jeong, J.H., and Hwang, D.J., 2018, "Nanosecond laser scribing of CIGS thin film solar cell based on ITO bottom contact," Applied Physics Letters, Vol. 112, pp. 134102.
57. Jia, Z., Wang, Z., Hwang, D.J., and Wang, L., 2018, "Prediction of the Effective Thermal Conductivity of Hollow Sphere Foams," ACS Appl. Energy Mater., Vol. 1, No. 3, pp. 1146.
56. Kuk, S.K., Nam, H.K., Wang, Z., and Hwang, D.J., 2018, "Effect of Laser Beam Dimension on Laser-Assisted Chemical Vapor Deposition of Silicon Nitride Thin Films," Journal of Nanoscience and Nanotechnology,Vol. 1, No. 18, pp. 7085.
55. Mahder Tewolde, Tao Zhang, Hwasoo Lee, Sanjay Sampath, David Hwang and Jon Longtin, 2017, "Laser Processing of Multilayered Thermal Spray Coatings: Optimal Processing Parameters," J Therm Spray Tech, Vol. 26, No. 8, pp. 1994-2004.
54. Zhang, T., Wang, Z., and Hwang, D.J., 2017, "Metal oxide hollow nanoparticles formation by a single nanosecond pulsed laser ablation in liquid," Applied Physics A, Vol. 123, pp. 616.
53. Wang, Z., Zhang, T., Park, B.K., Lee, W.I., and Hwang, D.J., 2017, “Minimal contact formation between hollow glass microparticles toward low-density and thermally insulating composite materials,” Journal of Materials Science, Vol. 52, No. 11, pp. 6726–6740.
52. Wang, Z., Zhang, T., Park, B.K., Lee, W.I., and Hwang, D.J., 2017, “Hybrid Nanostructure Formation on Hollow Glass Microparticles as Thermally Insulating Composite Elements," Nanoscience and Nanotechnology Letters, Vol. 9, No. 4, pp. 541-547.
51. Hwang, D.J., Kuk, S.K., Wang, Z., Fu, S., Zhang, T., Kim, G.Y., Kim, W.M., and Jeong, J.H., 2017, “Laser scribing of CIGS thin-film solar cell on flexible substrate,” Applied Physics A, Vol. 123, pp.55.
50. Wang, M., Hosoda, T., Shterengas, L., Kipshidze, G., Hwang, D.J., Belenky, G., 2017, “Narrow ridge GaSb-based cascade diode lasers fabricated by methane-hydrogen reactive ion etching,” Electronics Letters, Vol. 53, No. 1 pp. 40–42.
49. Yoo, J.H., Kim, E.P., and Hwang, D.J., 2016, “Femtosecond laser patterning, synthesis, defect formation and structural modification of graphene and atomic layer materials,” December Issue on Ultrafast Laser Synthesis and Modification of Materials, MRS Bulletin, Vol. 41, No. 12. pp. 1002-1007.
48. Ha, J.H., Lee, B.J., Hwang, D.J., and Kim, D.S., 2016, “Femtosecond laser nanowelding of silver nanowires for transparent conductive electrodes,” RCS Advances, Vol. 6, pp. 86232-86239.
47. Kuk, S.K., Park, J.M., Zhang, T., Lee, H.N., Cho, K.H., Kang, K.T., and Hwang, D.J., 2016, “Low Temperature Deposition of Inorganic Thin Films by Ultraviolet Laser-Assisted Chemical Vapor Deposition,” Nanoscience and Nanotechnology Letters, Vol. 8, No. 7, pp.586-591.
46. Ryu, S.G., Kim, E.P., Allen, F.I., Hwang, D.J., Minor, A.M., and Grigoropoulos, C.P., 2016, “Incubation behavior of silicon nanowire growth investigated by laser-assisted rapid heating,” Applied Physics Letters, Vol. 109, pp.073106.
45. Tewolde, M., Fu, G., Hwang, D.J., Zuo, L., Sampath, S., and Longtin, J.P., 2016, “Thermoelectric Device Fabrication Using Thermal Spray and Laser Micromachining,” Journal of Thermal Spray Technology, Vol. 25, No. 3, pp.431–440.
44. Ryu, S.G., Kim, E.P., Hwang, D.J., and Grigoropoulos, C.P., 2015, “Selective and directed growth of silicon nanowires by tip-enhanced local electric field,” Applied Physics A, Vol. 121, No. 1, pp.255-260.
43. Ryu, S.G., Kim, E.P., Hwang, D.J., and Grigoropoulos, C.P., 2014, “Tip-based nanoscale selective growth of discrete silicon nanowires by near-field laser illumination,” Applied Physics A, Vol. 116, No. 1, pp.51-58.
42. In, J.B., Xiang, B., Hwang, D.J., Ryu, S. G., Kim, E., Yoo, J. H., Dubon, O., Minor, A.M., and Grigoropoulos, C.P., 2014, “Generation of Single-Crystalline Domain in Nano-Scale Silicon Pillars by Near-Field Short Pulsed Laser,” Applied Physics A, Vol. 114, pp.277-285.
41. Longtin, J.P., Zuo, L., Hwang, D.J., Fu, G., Tewolde, M., Chen, Y., and Sampath, S., 2013, “Fabrication of Thermoelectric Devices Using Thermal Spray,” Journal of Thermal Spray Technology, Vol. 22, No. 5, pp.577-587.
40. Ryu, S.G., Kim, E.P., Yoo, J.H., Hwang, D.J., Xiang, B., Dubon, O.D., Minor, A.M., and Grigoropoulos, C.P., 2013, “On demand shape-selective integration of individual vertical Germanium nanowires on a Si(111) substrate via laser-localized heating,” ACS Nano, Vol. 7, No. 3, pp.2090-2098.
39. Xiang, B., Hwang, D.J. (equal contribution), In, J.B., Ryu, S.G., Yoo, J.H., Dubon, O., Minor, A.M., and Grigoropoulos, C.P., 2012, “In-situ TEM near-field optical probing of nanoscale silicon crystallization,” Nano Letters, Vol. 12, pp.2524-2529.
38. Ahn, S.H., Hwang, D.J., Park H.K., and Grigoropoulos, C.P., 2012, “Femtosecond laser drilling of crystalline and multicrystalline silicon for advanced solar cell fabrication,” Applied Physics A, Vol. 108, No. 1, pp.113-120.
37. Hwang, D.J., Xiang, B., Ryu, S.G., Dubon, O., Minor, A.M., and Grigoropoulos, C.P., 2011, “In situ monitoring of optical near-field material processing by electron microscopes,” Applied Physics A, Vol. 105, No. 2, pp.317-321.
36. Hwang, D.J., Ryu, S.G., Kim, E.P., Grigoropoulos, C.P., and Carraro, C., 2011, “On demand-direct synthesis of Si and Ge nanowires on a single platform by a focused laser,” Applied Physics Letters, Vol. 99, pp.123109.
35. Hwang, D.J., Ryu, S.G., and Grigoropoulos, C.P., 2011, “Multi-parametric growth of silicon nanowires in a single platform by laser-induced localized heat sources,” Nanotechnology, Vol. 22, pp.385303.
34. Jeon, H., Schmidt, R., Barton, J.E., Hwang, D.J., Gamble, L., Castner, D., Grigoropoulos, C.P., and Healy, K.E., 2011, “Chemical Patterning of Ultrathin Polymer Flims by Direct-Write Multiphoton Lithography,” Journal of American Chemical Society, Vol. 133, pp. 6138-6141.
33. Pan, H., Hwang, D.J., Ko, S.H., Clem, T.A., Frechet, J.M.J., Bauerle, D., and Grigoropoulos, C.P., 2010, “High-Throughput Near-Field Optical Nanoprocessing of Solution-Deposited Nanoparticles," Small, Vol. 6, No. 16, pp.1812–1821.
32. Jeon, H., Hidai, H., Hwang, D.J., Healy, K.E., and Grigoropoulos, C.P., 2010, “The Effect of Micronscale Anisotropic Cross Patterns on Fibroblast Migration,” Biomaterials, Vol. 31, pp. 4286-4295.
31. Lee, M.T., Werhahn, M., Hwang, D.J., Hotz, N., Greif, R., Poulikakos, D., and Grigoropoulos, C.P., 2010, “Hydrogen Production with a Solar Steam-Methanol Reformer and Colloid Nanocatalyst,” International Journal of Hydrogen Energy, Vol. 35, pp. 118-126.
30. Farshchi, R., Hwang, D.J., Chopdekar, R.V., Ashby, P.D., Grigoropoulos, C.P., and Dubon, O.D., 2009, “Ultra-fast laser dissociation of Mn-H complexes in GaAs using femtosecond pulses,” Journal of Applied Physics, Vol. 106, pp.103918.
29. Farshchi, R., Hwang, D.J., Misra, N., Julaton III, C.C., Yu, K.M., Grigoropoulos, C.P., and Dubon, O.D., 2009, “Structural, magnetic, and transport properties of laser-annealed GaAs:Mn–H,” Journal of Applied Physics, Vol. 106, pp.013904, also Selected as Virtual Journal of Nanoscale Science & Technology.
28. Jeon, H.J., Hidai, H., Hwang, D.J., and Grigoropoulos, C.P., 2009, “Fabrication of arbitrary polymer patterns for cell study by two-photon polymerization process,” Journal of Biomedical Materials Research A, Vol. 93A, pp.56-66.
27. Hwang, D.J., Ryu, S.G., Misra, N., Jeon, H.J., and Grigoropoulos, C.P., 2009, “Nanoscale Laser Processing and Diagnostics,” Applied Physics A, Vol. 96, pp.289–306.
26. Hwang, D.J., Kim, M., Hiromatsu, K., Jeon, H., and Grigoropoulos, C.P., 2009, “Three-dimensional opto-fluidic devices fabricated by ultrashort laser pulses for high throughput single cell detection and processing,” Applied Physics A, Vol. 96, pp. 385–390.
25. Hwang, D.J., Hiromatsu, K., Hidai, H., and Grigoropoulos, C.P., 2009, “Self-guided Glass Drilling by Femtosecond Laser Pulses,” Applied Physics A, Vol. 94, pp.555-558.
24. Lee, M.T., Hwang, D.J., Grigoropoulos, C.P., and Greif, R., 2009, “Nanocatalyst Fabrication and the Production of Hydrogen by Using Photon Energy,” International Journal of Hydrogen Energy, Vol. 34, No. 4, pp.1835-1843.
23. Hidai, H., Jeon, H.J., Hwang, D.J., and Grigoropoulos, C.P., 2009, “Self-standing aligned fiber scaffold fabrication by two photon photopolymerization,” Biomedical Microdevices, Vol. 11, pp. 643–652.
22. Kim, M., Hwang, D.J., Jeon, H., Hiromatsu, K., and Grigoropoulos, C.P., 2009, “Single cell detection using the glass-based optofluidic device fabricated by femtosecond laser pulses,” Lab-on-a-chip, Vol. 9, pp.311-318.
21. Hiromatsu, K., Hwang D.J., and Grigoropoulos, C.P., 2008, “Active Glass Nanoparticles By Ultrafast Laser Pulses,” Micro & Nano Letters, Vol. 3, No. 4, pp.121-124.
20. Hwang, D.J., Misra, N., Mao, S.S., Grigoropoulos, C.P., and Minor, A., 2008, “In situ monitoring of material processing by a pulsed laser beam coupled via a lensed fiber into a scanning electron microscope,” Journal of Vacuum Science and Technology A, Vol. 26, No. 6, pp.1432-1438.
19. Hirofumi, H., Hwang, D.J., and Grigoropouls, C.P., 2008, “Self-growth fiber fabrication by two photon photopolymerization,” Applied Physics A, Rapid Communication, Vol. 93, No. 2, pp.443-445.
18. Hwang, D.J., Jeon, H.J., Grigoropoulos, C.P., Yoo, J., and Russo, R.E., 2008, “Laser ablation-induced spectral plasma characteristics in optical far- and near-fields,” Journal of Applied Physics, Vol. 104, pp.013110.
17. Stratakis, E., Marsa, N., Spanakis, E., Hwang, D.J., Grigoropoulos, C.P., Fotakis, C., and Tzanetakis, P., 2008, “Imaging dielectric properties of Si nanowire oxide with conductive atomic force microscopy complemented with femtosecond laser illumination,” Nano Letters, Vol. 8, No. 7, pp.1949 – 1953.
16. Hwang, D.J., Misra, N., Grigoropoulos, C.P., Minor, A.M., and Mao, S.S., 2008, “In situ monitoring of laser cleaning by coupling a pulsed laser beam with a scanning electron microscope,” Applied Physics A, Rapid Communication, Vol. 91, No. 2, pp. 219-222.
15. Farshchi, R., Dubon, O.D., Hwang, D.J., Ashby, P.D., Misra, N., and Grigoropoulos, C.P., 2008, “Laser activation of ferromagnetism in hydrogenated Ga1-xMnxAs,” Applied Physics Letters, Vol. 92, pp.012517, also Selected as Virtual Journal of Nanoscale Science & Technology.
14. Hwang, D.J., Jeon, H.J., Grigoropoulos, C.P., Yoo, J., and Russo, R.E. 2007, “Femtosecond laser ablation induced plasma characteristics from sub-micron craters in thin metal film," Applied Physics Letters, Vol. 91, pp.251118.
13. Farshchi, R., Ashby, P.D., Hwang, D.J., Grigoropoulos, C.P., Chopdekar, RV., Suzuki, Y., and Dubon, O.D., 2007, “Hydrogen patterning of Ga1-xMnxAs for planar spintronics,” Physica B, Vol. 401, pp.447-450.
12. Ko, S.H., Pan, H., Hwang, D.J., Chung, J., Ryu, S., Grigoropoulos, C.P., and Poulikakos, D., 2007, “High resolution selective multilayer laser processing by nanosecond laser ablation of metal nanoparticle films,” Journal of Applied Physics, Vol. 102, pp.093102.
11. Grigoropoulos, C.P., Hwang, D.J., and Chimmalgi, A., 2007, “Nanometer-scale laser direct-write using near-field optics," MRS Bulletin, Vol. 32, January Issue.
10. Chimmalgi, A., Hwang, D.J., and Grigoropoulos, C.P., 2007, “Near-field scanning optical microscopy based nanostructuring of glass,” Journal of Physics: Conference Series, Vol. 59, pp.285–288.
9. Hwang, D.J., Grigoropoulos, C.P., Yoo, J., and Russo, R.E., 2006, “Optical near-field ablation-induced plasma characteristics,” Applied Physics Letters, Vol. 89, pp.254101, also Selected as Virtual Journal of Ultrafast Science.
8. Ko, S.H., Choi, Y., Hwang, D.J., Grigoropoulos, C.P., Chung, J., and Poulikakos, D., 2006, “Nanosecond laser ablation of gold nanoparticle films,” Applied Physics Letters, Vol. 89, No. 14, pp.141126.
7. Hwang, D.J., Grigoropoulos, C.P., and Choi, T.Y., 2006, “Efficiency of silicon micromachining by femtosecond laser pulses in ambient air,” Journal of Applied Physics, Vol. 99, No. 8, pp.083101.
6. Hwang, D.J., Chimmalgi, A., Grigoropoulos, C.P., 2006, “Ablation of thin metal films by short-pulsed lasers coupled through near-field scanning optical microscopy probes," Journal of Applied Physics, Vol. 99, No. 4, pp.044905.
5. Chimmalgi, A., Hwang, D.J., and Grigoropoulos, C.P., 2005, “Nanoscale rapid melting and crystallization of semiconductor thin films,” Nano Letters, Vol. 5, No. 10, pp.1924.
4. Hwang, D.J., Choi, T.Y., and Grigoropoulos, C.P., 2004, “Liquid-assisted femtosecond laser drilling of straight and three-dimensional microchannels in glass,” Applied Physics A-Materials Science & Processing, Vol. 79, No. 3, pp.605.
3. Choi, T.Y., Hwang, D.J., and Grigoropoulos, C.P., 2003, “Ultrafast laser-induced crystallization of amorphous silicon films,” Optical Engineering, Vol. 42, No. 11, pp. 3383-3388.
2. Choi, T.Y., Hwang, D.J., and Grigoropoulos, C.P., 2002, “Femtosecond laser induced ablation of crystalline silicon upon double beam irradiation,” Applied Surface Science, Vol. 197, pp.720.
1. Hwang, D.J., Kim, J.I., and Kauh, S.K., 1998, “Temperature compensation of transit time difference type ultrasonic air flowmeter,” Journal of Korean Society of Mechanical Engineering, Vol. 22B, No. 10, pp.1359-1367.
Journal Articles Submitted & In-Submission
- Kim, E.P., Ryu, S.G., Hwang, D.J., and Grigoropoulos, C.P., “Laser Assisted Selective Growth of Indium Nitride Nanowires,” to be submitted.
- Kim, M.J., Kim, K.B., Zhang, T., Hwang, D.J., and Jeon, C.W., “Laser polishing of flexible stainless steel substrate for CIGS thin film solar cells,” to be submitted.
- Hwang, D.J., Kim, T.W., Pahk, H.J., Park, H.K., and Grigoropoulos, C.P., “Effect of Gas Environment on High Repetition Rate Picosecond Laser CIS Solar Cell Scribing and in-situ Process Monitoring by Laser-induced Breakdown Spectroscopy,” to be submitted.
Conference Proceedings Published
41. Zhang, T., Tewolde, M., Hwang, D.J., and Longtin, J.P., “Laser-Assisted Manufacturing of Bi2Te3-based Thermoelectric Modules Combined with Ink Dispensing Printing Technology,” The 2nd Thermal and Fluid Engineering Conference/The 4th International Workshop on Heat Transfer, Las Vegas, NV, Apr. 2017.
40. Kuk, S., Park, J.M., Zhang, T., and Hwang, D.J., 2017, “Low temperature deposition of inorganic films by excimer laser assisted chemical vapor deposition,” Proc. SPIE 10091, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXII, 1009105 (February 20, 2017); doi:10.1117/12.2251269.
39. Wang, Z., Zhang, T., Park, B.K., Lee, W.I., and Hwang, D.J., 2017, “Laser-assisted manufacturing of super-insulation materials,” Proc. SPIE 10091, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXII, 100910B (February 20, 2017); doi:10.1117/12.2251270.
38. Zhang, T., Tewolde, M., Longtin, J.P., and Hwang, D.J., 2017, “Laser assisted hybrid additive manufacturing of thermoelectric modules,” Proc. SPIE 10091, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXII, 100910D (February 20, 2017); doi:10.1117/12.2251263.
37. Zhang, T., Tewolde, M., Longtin, J.P., and Hwang, D.J., 2016, “Laser-assisted manufacturing of thermal energy devices,” SPIE Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXI Conference, San Francisco, CA, Feb. 17, Paper Number 9735-42.
36. Zhang, T., Kuk, S., Kim, E., Grigoropoulos, C.P., and Hwang, D.J., 2016, “Role of enhanced laser field in laser processing of nanomaterials,” SPIE Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXI Conference, San Francisco, CA, Feb. 18, Paper Number 9735-34.
35. Tewolde, M., Seo, D.M., Kim, K.H., Zhang, T., Hwang, D.J., and Longtin, J., 2015, “Integrat-ed additive manufacturing and laser micromachining to fabricate thermoelectric generators di-rectly onto waste-heat components,” presented at the 1st Thermal and Fluid Engineering Sum-mer Conference, New York, New York, Proceedings of the 1st Thermal and Fluid Engineering Summer Conference: Vol. TFESC, Paper No. TFESC-12465.
34. Hwang, D.J., and Grigoropoulos, C.P., 2015, “Laser-assisted processing and diagnostics of functional micro/nanomaterials,” presented at the Advances in Functional Materials Confer-ence, Stony Brook, NY, June 30, Materials Today Proceedings: Vol. 3, pp. 335-339.
33. Yoo, J.H., In, J.B., Zheng, A.C., Ryu, S.G., Hwang, D.J., Xiang, B., Minor, A.M., and Grigoropoulos, C.P., 2014, “Laser processing and in-situ diagnostics for crystallization: from thin films to nanostructures,” presented at the SPIE Laser Processing and Fabrication for So-lar, Displays, and Optoelectronic Devices III, San Diego, CA, Aug. 20-21, Proc. SPIE: Vol. 9180, pp. 91800D.
32. Hwang, D.J., Han, P.C., Lee, H., Mann, A., and Zhang, T., 2014, “Laser-assisted processing of current and next generation transparent electrodes,” presented at the SPIE Laser Processing and Fabrication for Solar, Displays, and Optoelectronic Devices III, San Diego, CA, Aug. 20-21, Paper No. 9180-19.
31. Tewolde, M., Lin, C.C., Tao, H., Chen, H., Fu, G., Liu, D., Zhang, T., Benjamin, D., Zuo, L., Hwang, D., and Longtin, J., 2014, “Sensors for Small Modular Reactors Powered by Thermoe-lectric Generators,” presented at the ASME 2014 Small Modular Reactors Symposium, Wash-ington DC, Apr. 15-17, Proc. ASME: Vol. 45363, Paper No. V001T02A007.
30. Ryu, S.G., Hwang, D.J., Kim, E.P., Yoo, J.H., and Grigoropoulos, C.P., 2013, “Laser-assisted on demand growth of semiconducting nanowires,” presented at the ASME 2013 International Mechanical Engineering Congress and Exposition, San Diego, CA, Nov. 15-21, Paper No. IMECE 2013-65696, pp. V02BT02A031.
29. In, J.B., Ryu, S.G., Lee, D.H., Ahn, S.H., Zheng, A.C., Hwang, D.J., and Grigoropoulos, C.P., 2013, “Laser crystallization and localized growth of nanomaterials for solar applications,” pre-sented at the SPIE Laser Material Processing for Solar Energy Devices II, San Diego, CA, Sep. 16, Proc. SPIE: Vol. 8826, pp. 88260E.
28. Hwang, D.J., Liu, D., Karmarkar, M.A., and Scarpulla, M.A., 2013, “Pulsed laser scribing of earth-abundant Cu2ZnSnS4 thin film solar cells,” presented at the SPIE Laser Material Pro-cessing for Solar Energy Devices II, San Diego, CA, Sep. 16, Paper No. 8826-14.
27. Hwang, D.J., Quigley, M., Liu, D., Park, H.K., and Yu, D.X., 2013, “Rapid laser scanning based texturing of silicon surfaces for enhanced solar cell performance by improved light trap-ping,” presented at the SPIE Laser Material Processing for Solar Energy Devices II, San Diego, CA, Sep. 16, Paper No. 8826018.
26. Zhang, T., Liu, D., Park, H.K., Yu, D.X., and Hwang, D.J., 2013, “Laser patterning of thin in-dium tin oxide film on a plastic substrate for high-resolution touch applications,” presented at the SPIE Laser Applications in Microelectronic and Optoelectronic Manufacturing, San Fran-cisco, CA, Feb. 6-7, SPIE Paper Number 8607-37.
25. Liu, D., Park, H.K., Yu, D.X., and Hwang, D.J., 2013, “Laser-assisted doping process for se-lective emitter formation in solar cells via combined pulsed and continuous wave laser illumina-tions,” presented at the SPIE Laser Applications in Microelectronic and Optoelectronic Manu-facturing, San Francisco, CA, Feb. 6-7, SPIE Paper Number 8607-42.
24. Hwang, D.J., Liu, D., Park, H.K., and Yu, D.X., 2013, “Scribing of thin film solar cells by high repetition ratepiscosecond and nanosecond pulsed lasers and in-situ scribing thickness monitor-ing,” presented at the SPIE Laser Applications in Microelectronic and Optoelectronic Manufac-turing, San Francisco, CA, Feb. 6-7, SPIE Paper Number 8607-45.
23. Tewolde, M., Liu, D., Hwang, D.J., and Longtin, J.P., 2013, “Laser Processing of Thermal Sprayed Coatings for Thermoelectric Generators,” presented at the 2013 ASME Heat Transfer Conference, Minnesota, MN, July 14–19, Proc. ASME, Paper No. HT2013-17791, pp. V003T09A010.
22. Lin, C.C., Chen, H., Tewolde, M., Fu, G., Liu, D., Zhang, T., Tao, H., Chao, N., Zheng, W., Liu, F., Zuo, L., Hwang, D., and Longtin, J.P., 2013, “Thermoelectrically Powered Sensing for Small Modular Reactors” presented at the 2013 ASME Heat Transfer Conference, Minnesota, MN, July 14–19, Proc. ASME, Paper No. HT2013-17788, pp. V004T19A008.
21. Ryu, S.G., Hwang, D.J., Kim, E.P., Yoo, J.H., Xiang, B., Dubon, O., Minor, A., and Grigoropoulos, C.P., 2012, Proceedings of the International Conference of Manufacturing Technology Engineers (ICMTE), Aug. 2012, pp. 13-16.
20. Hwang, D.J., and Grigoropoulos, C.P., 2012, “Laser-assisted micro/nanoscale material pro-cessing and in-situ diagnostics for solar applications,” presented at the SPIE Laser Material Processing for Solar Energy, San Diego, CA, Aug. 12-16, Proc. SPIE: Vol. 8473, Paper No. 8473-16.
19. Tewolde, M., Longtin, J., Zuo, L., Hwang, D.J., and Sampath, S., 2012, “Fabrication of Ther-moelectric Devices for Vehicle Exhaust Applications Using Thermal Spray and Laser Pro-cessing,” presented at the ASME 2012 Heat Transfer Summer Conference, Puerto Rico, July 9-12, ASME Proceedings, Paper No. HT2012-58600, pp. 983-989.
18. Hwang, D.J., Sang-Gil Ryu, Eunpa Kim, Costas P. Grigoropoulos, 2012, "Multi-Parametric Growth Of Semiconductor Nanowires In A Single Platform By Laser-Induced Localized Heat Sources," presented at the ASME 2012 Heat Transfer Summer Conference, Puerto Rico, July 9-12, ASME Proceedings, Paper No. HT2012-58315, pp. 943-946.
17. Hwang, D.J., Ryu, S.G., Kim, E.P., Yoo, J.H., Xiang, B., Dubon, O., Minor, A.M., and Grigoropoulos, C.P., 2011, “Laser-assisted nanoprocessing and growth of semiconductor nanostructures,” presented at the SPIE Defense, Security, and Sensing, Orlando, FL, Apr. 25, Proc. of SPIE: Vol. 8031, Paper No. 8031-06.
16. Grigoropoulos, C.P., Jeon, H.J., Hida, H., and Hwang, D.J., 2011, “Femtosecond laser pattern-ing of biological materials,” presented at the SPIE Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XI, San Francisco, CA, Jan. 22, Proc. of SPIE: Vol. 7925, Paper No. 7925-06.
15. Grigoropoulos, C.P., Hwang, D.J., Jeon, H.J., Hiromatsu, K., and Hidai, H., 2009, “Ultrafast laser micro/nanoprocessing and device fabrication,” presented at the 2nd ASME Mi-cro/Nanoscale Heat and Mass Transfer International Conference, Shanghai, China, Dec. 19, Paper No. MNHMT2009-18119.
14. Kim, T.W., Pahk, H.J., Park, H.K., Hwang, D.J., and Grigoropoulos, C.P., 2009, “Comparison of multilayer laser scribing of thin film solar cells with femto, pico, and nanosecond pulse dura-tions,” presented at the SPIE Thin Film Solar Technology, San Diego, CA, Aug. 2, Proc. of SPIE: Vol. 7409, Paper No. 7409-0A.
13. Hwang, D.J., Jeon, H.J., and Grigoropoulos, C.P., 2007, “Laser Ablation-Induced Plasma Characteristics in Optical Near-Field,” presented at the ASME/JSME 2007 Thermal Engineer-ing Heat Transfer Summer Conference, Vancouver, Canada, July 8-12, Proc. ASME, Paper No. HT2007-32917, pp. 357-364.
12. Grigoropoulos, C.P., and Hwang, D.J., “Nanoscale laser processing using near-field optics,” presented at the CLEO/Europe-IQE 2007, Munich, Germany, June 17-22, CLEO/Europe and IQEC 2007 Conference Digest (Optical Society of America, 2007), Paper No. CM2_1.
11. Chimmalgi, A., Hwang, D.J., and Grigoropoulos, C.P., 2005, “Nanoscale rapid melting and crystallization of amorphous silicon thin films,” presented at the 2005 International Mechanical Engineering Congress and Exposition, Orlando, FL, Nov. 5-11, Proc. IMECE: Vol. IMECE2005, Paper No. 82208.
10. Ko, S.H., Chung, J.W., Choi, Y.H., Hwang, D.J., Grigoropoulos, C.P., and Poulikakos, D., 2005, “Subtractive Laser Processing of Low Temperature Inkjet Printed Micro Electric Com-ponents of Functional Nano-Ink for Flexible Electronics,” presented at the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems collocated with the ASME 2005 Heat Transfer Summer Conference, San Francisco, CA, Jul. 17-22, Proc. ASME, Paper No. IPACK2005-73186, pp. 1935-1941.
9. Park, I., Hwang, D.J., Pisano, A.P., and Grigoropoulos, C.P., 2005, “Planar off-chip microelec-trode for electrophysiological measurement of small biological cells,” presented at the 3rd In-ternational IEEE-EMBS Special Topics Conference on Microtechnologies in Medicine and Biol-ogy, Hawaii, USA., May 2005, Proceedings of 3rd International IEEE-EMBS Special Topics Conference on Microtechnologies in Medicine and Biology, pp. 207-210.
8. Hwang, D.J., Chimmalgi, A., and Grigoropoulos, C.P., 2004, “Nanostructure fabrication using pulsed lasers combined with scanning probes,” presented at the International Congress on Ap-plications of Lasers and Electro-Optics 2004, San Francisco, CA, Oct. 4-7, Proceedings of the 23rd International Congress on Applications of Lasers and Electro-Optics.
7. Chimmalgi, A., Choi, T.Y., Hwang, D.J., and Grigoropoulos, C.P., 2003, “Nanostructuring of semiconductor materials and metallic thin films using femtosecond laser and scanning probe microscope,” presented at the SPIE Commercial and Biomedical Applications of Ultrafast La-sers III, San Jose, CA, Jan. 25, Proc. of SPIE: Vol. 4978, pp. 129.
6. David J. Hwang, Taeyul Choi, Costas P. Grigoropoulos, 2003, “Sub-diffraction Limit Sized Micromachining of Crystalline Silicon by Femtosecond Laser Pulses,” presented at the 6th ASME-JSME Thermal engineering joint conference, Hawaii, Mar. 16-20, Proceedings of the 6th ASME-JSME Thermal Engineering Joint Conference: Vol. TED-AJ03, pp. 335.
5. Choi, T.Y., Hwang, D.J., and Grigoropoulos, C.P., 2002, “Ultrafast laser-induced crystalliza-tion of amorphous silicon films,” presented at the Second International Symposium on Laser Precision Microfabrication, Singapore, May 16, Proc. of SPIE: Vol. 4426, No. 79, pp. 100-103.
4. Tae Y. Choi, David J. Hwang, Costas P. Grigoropoulos, 2001, “Investigation of Air Plasma in Ultra-Short Laser Processing of Crystalline Silicon”, presented at the ASME 2001 International Mechanical Engineering Congress and Exposition, New York, Nov. 11-16, ASME-Publications-HTD, Vol. 369, pp. 143-146.
3. Tae Y. Choi, David J. Hwang, Costas P. Grigoropoulos, 2001, “Plasma Dynamics in Ultra-short Laser Ablation in Electronic Materials”, presented at the international congress on appli-cations of lasers and electro-optics, Jacksonville, FL, Oct 14-18, proceedings on ICALEO.
2. Tae Y. Choi, David J. Hwang, Costas P. Grigoropoulos, “Femtosecond laser induced ablation of crystalline silicon upon double beam irradiation”, presented at the conference on laser abla-tion, Tsukuba, Japan, , Oct 1-5, Proceedings COLA2001.
1. T. Choi, D. J. Hwang, M. Hatano, and C. P. Grigoropoulos, 2001, “Ultra-Fast Laser-Induced Recrystallizatlon of Amorphous Silicon Films,” presented at the Conference on Lasers and Electro-Optics, Baltimore, ML, May 6-11, J. Kafka, K. Vahala, R. Williamson, and A. Willner, eds., OSA Technical Digest (Optical Society of America, 2001), Paper No. CTuT5, pp. 231-232.
40. Kuk, S., Park, J.M., Zhang, T., and Hwang, D.J., 2017, “Low temperature deposition of inorganic films by excimer laser assisted chemical vapor deposition,” Proc. SPIE 10091, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXII, 1009105 (February 20, 2017); doi:10.1117/12.2251269.
39. Wang, Z., Zhang, T., Park, B.K., Lee, W.I., and Hwang, D.J., 2017, “Laser-assisted manufacturing of super-insulation materials,” Proc. SPIE 10091, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXII, 100910B (February 20, 2017); doi:10.1117/12.2251270.
38. Zhang, T., Tewolde, M., Longtin, J.P., and Hwang, D.J., 2017, “Laser assisted hybrid additive manufacturing of thermoelectric modules,” Proc. SPIE 10091, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXII, 100910D (February 20, 2017); doi:10.1117/12.2251263.
37. Zhang, T., Tewolde, M., Longtin, J.P., and Hwang, D.J., 2016, “Laser-assisted manufacturing of thermal energy devices,” SPIE Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXI Conference, San Francisco, CA, Feb. 17, Paper Number 9735-42.
36. Zhang, T., Kuk, S., Kim, E., Grigoropoulos, C.P., and Hwang, D.J., 2016, “Role of enhanced laser field in laser processing of nanomaterials,” SPIE Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXI Conference, San Francisco, CA, Feb. 18, Paper Number 9735-34.
35. Tewolde, M., Seo, D.M., Kim, K.H., Zhang, T., Hwang, D.J., and Longtin, J., 2015, “Integrat-ed additive manufacturing and laser micromachining to fabricate thermoelectric generators di-rectly onto waste-heat components,” presented at the 1st Thermal and Fluid Engineering Sum-mer Conference, New York, New York, Proceedings of the 1st Thermal and Fluid Engineering Summer Conference: Vol. TFESC, Paper No. TFESC-12465.
34. Hwang, D.J., and Grigoropoulos, C.P., 2015, “Laser-assisted processing and diagnostics of functional micro/nanomaterials,” presented at the Advances in Functional Materials Confer-ence, Stony Brook, NY, June 30, Materials Today Proceedings: Vol. 3, pp. 335-339.
33. Yoo, J.H., In, J.B., Zheng, A.C., Ryu, S.G., Hwang, D.J., Xiang, B., Minor, A.M., and Grigoropoulos, C.P., 2014, “Laser processing and in-situ diagnostics for crystallization: from thin films to nanostructures,” presented at the SPIE Laser Processing and Fabrication for So-lar, Displays, and Optoelectronic Devices III, San Diego, CA, Aug. 20-21, Proc. SPIE: Vol. 9180, pp. 91800D.
32. Hwang, D.J., Han, P.C., Lee, H., Mann, A., and Zhang, T., 2014, “Laser-assisted processing of current and next generation transparent electrodes,” presented at the SPIE Laser Processing and Fabrication for Solar, Displays, and Optoelectronic Devices III, San Diego, CA, Aug. 20-21, Paper No. 9180-19.
31. Tewolde, M., Lin, C.C., Tao, H., Chen, H., Fu, G., Liu, D., Zhang, T., Benjamin, D., Zuo, L., Hwang, D., and Longtin, J., 2014, “Sensors for Small Modular Reactors Powered by Thermoe-lectric Generators,” presented at the ASME 2014 Small Modular Reactors Symposium, Wash-ington DC, Apr. 15-17, Proc. ASME: Vol. 45363, Paper No. V001T02A007.
30. Ryu, S.G., Hwang, D.J., Kim, E.P., Yoo, J.H., and Grigoropoulos, C.P., 2013, “Laser-assisted on demand growth of semiconducting nanowires,” presented at the ASME 2013 International Mechanical Engineering Congress and Exposition, San Diego, CA, Nov. 15-21, Paper No. IMECE 2013-65696, pp. V02BT02A031.
29. In, J.B., Ryu, S.G., Lee, D.H., Ahn, S.H., Zheng, A.C., Hwang, D.J., and Grigoropoulos, C.P., 2013, “Laser crystallization and localized growth of nanomaterials for solar applications,” pre-sented at the SPIE Laser Material Processing for Solar Energy Devices II, San Diego, CA, Sep. 16, Proc. SPIE: Vol. 8826, pp. 88260E.
28. Hwang, D.J., Liu, D., Karmarkar, M.A., and Scarpulla, M.A., 2013, “Pulsed laser scribing of earth-abundant Cu2ZnSnS4 thin film solar cells,” presented at the SPIE Laser Material Pro-cessing for Solar Energy Devices II, San Diego, CA, Sep. 16, Paper No. 8826-14.
27. Hwang, D.J., Quigley, M., Liu, D., Park, H.K., and Yu, D.X., 2013, “Rapid laser scanning based texturing of silicon surfaces for enhanced solar cell performance by improved light trap-ping,” presented at the SPIE Laser Material Processing for Solar Energy Devices II, San Diego, CA, Sep. 16, Paper No. 8826018.
26. Zhang, T., Liu, D., Park, H.K., Yu, D.X., and Hwang, D.J., 2013, “Laser patterning of thin in-dium tin oxide film on a plastic substrate for high-resolution touch applications,” presented at the SPIE Laser Applications in Microelectronic and Optoelectronic Manufacturing, San Fran-cisco, CA, Feb. 6-7, SPIE Paper Number 8607-37.
25. Liu, D., Park, H.K., Yu, D.X., and Hwang, D.J., 2013, “Laser-assisted doping process for se-lective emitter formation in solar cells via combined pulsed and continuous wave laser illumina-tions,” presented at the SPIE Laser Applications in Microelectronic and Optoelectronic Manu-facturing, San Francisco, CA, Feb. 6-7, SPIE Paper Number 8607-42.
24. Hwang, D.J., Liu, D., Park, H.K., and Yu, D.X., 2013, “Scribing of thin film solar cells by high repetition ratepiscosecond and nanosecond pulsed lasers and in-situ scribing thickness monitor-ing,” presented at the SPIE Laser Applications in Microelectronic and Optoelectronic Manufac-turing, San Francisco, CA, Feb. 6-7, SPIE Paper Number 8607-45.
23. Tewolde, M., Liu, D., Hwang, D.J., and Longtin, J.P., 2013, “Laser Processing of Thermal Sprayed Coatings for Thermoelectric Generators,” presented at the 2013 ASME Heat Transfer Conference, Minnesota, MN, July 14–19, Proc. ASME, Paper No. HT2013-17791, pp. V003T09A010.
22. Lin, C.C., Chen, H., Tewolde, M., Fu, G., Liu, D., Zhang, T., Tao, H., Chao, N., Zheng, W., Liu, F., Zuo, L., Hwang, D., and Longtin, J.P., 2013, “Thermoelectrically Powered Sensing for Small Modular Reactors” presented at the 2013 ASME Heat Transfer Conference, Minnesota, MN, July 14–19, Proc. ASME, Paper No. HT2013-17788, pp. V004T19A008.
21. Ryu, S.G., Hwang, D.J., Kim, E.P., Yoo, J.H., Xiang, B., Dubon, O., Minor, A., and Grigoropoulos, C.P., 2012, Proceedings of the International Conference of Manufacturing Technology Engineers (ICMTE), Aug. 2012, pp. 13-16.
20. Hwang, D.J., and Grigoropoulos, C.P., 2012, “Laser-assisted micro/nanoscale material pro-cessing and in-situ diagnostics for solar applications,” presented at the SPIE Laser Material Processing for Solar Energy, San Diego, CA, Aug. 12-16, Proc. SPIE: Vol. 8473, Paper No. 8473-16.
19. Tewolde, M., Longtin, J., Zuo, L., Hwang, D.J., and Sampath, S., 2012, “Fabrication of Ther-moelectric Devices for Vehicle Exhaust Applications Using Thermal Spray and Laser Pro-cessing,” presented at the ASME 2012 Heat Transfer Summer Conference, Puerto Rico, July 9-12, ASME Proceedings, Paper No. HT2012-58600, pp. 983-989.
18. Hwang, D.J., Sang-Gil Ryu, Eunpa Kim, Costas P. Grigoropoulos, 2012, "Multi-Parametric Growth Of Semiconductor Nanowires In A Single Platform By Laser-Induced Localized Heat Sources," presented at the ASME 2012 Heat Transfer Summer Conference, Puerto Rico, July 9-12, ASME Proceedings, Paper No. HT2012-58315, pp. 943-946.
17. Hwang, D.J., Ryu, S.G., Kim, E.P., Yoo, J.H., Xiang, B., Dubon, O., Minor, A.M., and Grigoropoulos, C.P., 2011, “Laser-assisted nanoprocessing and growth of semiconductor nanostructures,” presented at the SPIE Defense, Security, and Sensing, Orlando, FL, Apr. 25, Proc. of SPIE: Vol. 8031, Paper No. 8031-06.
16. Grigoropoulos, C.P., Jeon, H.J., Hida, H., and Hwang, D.J., 2011, “Femtosecond laser pattern-ing of biological materials,” presented at the SPIE Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XI, San Francisco, CA, Jan. 22, Proc. of SPIE: Vol. 7925, Paper No. 7925-06.
15. Grigoropoulos, C.P., Hwang, D.J., Jeon, H.J., Hiromatsu, K., and Hidai, H., 2009, “Ultrafast laser micro/nanoprocessing and device fabrication,” presented at the 2nd ASME Mi-cro/Nanoscale Heat and Mass Transfer International Conference, Shanghai, China, Dec. 19, Paper No. MNHMT2009-18119.
14. Kim, T.W., Pahk, H.J., Park, H.K., Hwang, D.J., and Grigoropoulos, C.P., 2009, “Comparison of multilayer laser scribing of thin film solar cells with femto, pico, and nanosecond pulse dura-tions,” presented at the SPIE Thin Film Solar Technology, San Diego, CA, Aug. 2, Proc. of SPIE: Vol. 7409, Paper No. 7409-0A.
13. Hwang, D.J., Jeon, H.J., and Grigoropoulos, C.P., 2007, “Laser Ablation-Induced Plasma Characteristics in Optical Near-Field,” presented at the ASME/JSME 2007 Thermal Engineer-ing Heat Transfer Summer Conference, Vancouver, Canada, July 8-12, Proc. ASME, Paper No. HT2007-32917, pp. 357-364.
12. Grigoropoulos, C.P., and Hwang, D.J., “Nanoscale laser processing using near-field optics,” presented at the CLEO/Europe-IQE 2007, Munich, Germany, June 17-22, CLEO/Europe and IQEC 2007 Conference Digest (Optical Society of America, 2007), Paper No. CM2_1.
11. Chimmalgi, A., Hwang, D.J., and Grigoropoulos, C.P., 2005, “Nanoscale rapid melting and crystallization of amorphous silicon thin films,” presented at the 2005 International Mechanical Engineering Congress and Exposition, Orlando, FL, Nov. 5-11, Proc. IMECE: Vol. IMECE2005, Paper No. 82208.
10. Ko, S.H., Chung, J.W., Choi, Y.H., Hwang, D.J., Grigoropoulos, C.P., and Poulikakos, D., 2005, “Subtractive Laser Processing of Low Temperature Inkjet Printed Micro Electric Com-ponents of Functional Nano-Ink for Flexible Electronics,” presented at the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems collocated with the ASME 2005 Heat Transfer Summer Conference, San Francisco, CA, Jul. 17-22, Proc. ASME, Paper No. IPACK2005-73186, pp. 1935-1941.
9. Park, I., Hwang, D.J., Pisano, A.P., and Grigoropoulos, C.P., 2005, “Planar off-chip microelec-trode for electrophysiological measurement of small biological cells,” presented at the 3rd In-ternational IEEE-EMBS Special Topics Conference on Microtechnologies in Medicine and Biol-ogy, Hawaii, USA., May 2005, Proceedings of 3rd International IEEE-EMBS Special Topics Conference on Microtechnologies in Medicine and Biology, pp. 207-210.
8. Hwang, D.J., Chimmalgi, A., and Grigoropoulos, C.P., 2004, “Nanostructure fabrication using pulsed lasers combined with scanning probes,” presented at the International Congress on Ap-plications of Lasers and Electro-Optics 2004, San Francisco, CA, Oct. 4-7, Proceedings of the 23rd International Congress on Applications of Lasers and Electro-Optics.
7. Chimmalgi, A., Choi, T.Y., Hwang, D.J., and Grigoropoulos, C.P., 2003, “Nanostructuring of semiconductor materials and metallic thin films using femtosecond laser and scanning probe microscope,” presented at the SPIE Commercial and Biomedical Applications of Ultrafast La-sers III, San Jose, CA, Jan. 25, Proc. of SPIE: Vol. 4978, pp. 129.
6. David J. Hwang, Taeyul Choi, Costas P. Grigoropoulos, 2003, “Sub-diffraction Limit Sized Micromachining of Crystalline Silicon by Femtosecond Laser Pulses,” presented at the 6th ASME-JSME Thermal engineering joint conference, Hawaii, Mar. 16-20, Proceedings of the 6th ASME-JSME Thermal Engineering Joint Conference: Vol. TED-AJ03, pp. 335.
5. Choi, T.Y., Hwang, D.J., and Grigoropoulos, C.P., 2002, “Ultrafast laser-induced crystalliza-tion of amorphous silicon films,” presented at the Second International Symposium on Laser Precision Microfabrication, Singapore, May 16, Proc. of SPIE: Vol. 4426, No. 79, pp. 100-103.
4. Tae Y. Choi, David J. Hwang, Costas P. Grigoropoulos, 2001, “Investigation of Air Plasma in Ultra-Short Laser Processing of Crystalline Silicon”, presented at the ASME 2001 International Mechanical Engineering Congress and Exposition, New York, Nov. 11-16, ASME-Publications-HTD, Vol. 369, pp. 143-146.
3. Tae Y. Choi, David J. Hwang, Costas P. Grigoropoulos, 2001, “Plasma Dynamics in Ultra-short Laser Ablation in Electronic Materials”, presented at the international congress on appli-cations of lasers and electro-optics, Jacksonville, FL, Oct 14-18, proceedings on ICALEO.
2. Tae Y. Choi, David J. Hwang, Costas P. Grigoropoulos, “Femtosecond laser induced ablation of crystalline silicon upon double beam irradiation”, presented at the conference on laser abla-tion, Tsukuba, Japan, , Oct 1-5, Proceedings COLA2001.
1. T. Choi, D. J. Hwang, M. Hatano, and C. P. Grigoropoulos, 2001, “Ultra-Fast Laser-Induced Recrystallizatlon of Amorphous Silicon Films,” presented at the Conference on Lasers and Electro-Optics, Baltimore, ML, May 6-11, J. Kafka, K. Vahala, R. Williamson, and A. Willner, eds., OSA Technical Digest (Optical Society of America, 2001), Paper No. CTuT5, pp. 231-232.
Book Chapters
1. Grigoropoulos, C.P., and Hwang, D.J., 2009, “Pulsed Laser Nano-Structuring Using Near-Field Optics,” inNanomanufacturing (Chapter 9), edited by Shaochen Chen, American Scien-tific Publishers.
2. Grigoropoulos, C.P., Chimmalgi, A., Hwang, D.J., 2007, “Nano-Structuring using pulsed laser radiation” in Laser ablation and its applications (Chapter 19), edited by Claude Phippe, Spring-er Series in optical sciences, New York.
2. Grigoropoulos, C.P., Chimmalgi, A., Hwang, D.J., 2007, “Nano-Structuring using pulsed laser radiation” in Laser ablation and its applications (Chapter 19), edited by Claude Phippe, Spring-er Series in optical sciences, New York.
Patents
Issued/Published
Pending
- “Arbitrary Pattern Direct Nanostructure Fabrication Methods and System” – U. S. Patent 8,728,720 B2, issued May 20, 2014.
- “Laser-Assisted Nanomaterial Deposition, Nanomanufacturing and In-Situ Monitoring and associated apparatus” – U. S. Patent 8,580,130 B2, issued November 12, 2013.
- “Method for producing active glass nanoparticles by laser ablation” – U. S. Patent US 7,985,367 B2, issued July 26, 2011.
- “Method For Patterning Crystalline Indium Tin Oxide Using Femtosecond Laser” – U. S. Patent U. S. 7,994,029 B2, issued August 9, 2009.
Pending
- “High-Resolution Laser Induced Breakdown Spectroscopy Devices and Methods,” filed June 7, 2011 (20120206722).
- “Laser-Induced Single Crystalline Nanomaterial Synthesis for Heterostructure Material Templating,” D.J. Hwang, B. Xiang, O. Dubon, A.M. Minor, and C.P. Grigoropoulos, UC Case Number B11-080 (2010).
- “Tightly Focused Femtoseocond and Optical Near Field Laser Ablation For Submicron and Nanoscale Chemical Analysis,” D.J. Hwang, H.J. Jeon, C.P. Grigoropoulos, J. Yoo, and R.E. Russo, Sponsored by Applied Spectra Inc., USA, University of California (UC) case number B08-140 (2008).
- “Oxide hollow nanoparticles production by pulsed laser ablation in liquid,” filed February 10, 2016 (No. 62/293,463).
- “Moisture and oxygen permeation barrier made of metal-oxide-infiltrated polymer composite film,” C.H. Nam and D.J. Hwang, Record of Invention Submitted to Brookhaven National Laboratory, May 11, 2016 (BNL Docket No. 16-09/ INV 2016-010).
- “System and method for quality improvement and in-situ process monitoring in laser scribing of thin film solar cell devices,” D.J. Hwang, and J.H. Jeong, US Provisional Patent filed, October14, 2016 (No. R-180-015).
Invited Talks/Presentations
- Invited Forum, KEIT Project Forum in US-Korea Conference (UKS), Queens, NY, Aug. 2018.
- Invited Research Presentation, 2017 ICAE, Jeju, Korea, November 2017.
- Invited Research Presentation, 2017 Nano Korea, Ilsan, Korea, July 2017.
- Research Presentations, 2017 Photonics West, San Francisco, CA, Feb 2017.
- Research Presentations, 2016 Photonics West, San Francisco, CA, Feb 2016.
- Invited Research Presentation, ICALEO 2015, Atlanta, GA, Oct. 2015.
- Research Presentation, 2015 Advances in Functional Materials, Stony Brook, NY, July 2015.
- University of California (Berkeley, CA), “Laser based materials processing – research conducted in the 2000’s,” Apr. 2015.
- Invited Keynote Research Presentation, SBU-KIST collaboration meeting as CEAS/SBU delegation, Seoul, Korea, Sep., 2014.
- Session Chair, Program Committee & Research Presentation, SPIE Laser Processing and Fabrication for Solar, Displays, and Optoelectronic Devices III Conference, San Diego, CA, Aug. 2014.
- Research Presentation, SUNY Network of Excellence in Materials & Advanced Manufacturing: Green Composite Materials Meeting, Albany, NY, Aug. 2014.
- Research Presentations, 2014 MRS Spring Meeting, San Francisco, Apr. 2014.
- Invited Keynote Research Presentation, International Workshop on Digital Convergence of Nano Technology for Creative Economy, Seoul, Korea, Jan. 2014.
- Invited Research Presentation, SBU-KIST collaboration meeting, Stony Brook, USA, Nov. 2013.
- Invited Research Presentation, 2013 Annual US-Korea Forum on Nanotechnology, Boston, MA, Oct. 2013.
- Session Chair, Program Committee & Research Presentation, SPIE Laser Material Processing for Solar Energy Devices II Conference, San Diego, CA, Aug. 2013.
- Session Chair and Research Presentations, 2013 Photonics West, San Francisco, CA, Feb. 2013.
- Poster Presentations, 2012 Advanced Energy Conference, New York, NY, May 2012.
- Attendee, US Photovoltaic Manufacturing Consortium Technical Work Group Workshop, College of Nanoscale Science and Engineering, University of Albany, Albany, NY, Oct. 2012.
- Session Chair, Invited Research Presentation, SPIE Solar Energy+Technology Conference, San Diego, CA, Aug. 2012.
- Session Chair & Research Presentation, 2012 Heat Transfer Conference, Puerto Rico, July 2012.
- Invited Keynote Research Presentation, 2012 Annual Joint Symposium & Exhibition in FLAVS and FSM, Orlando, FL, Mar. 2012.
- Research Presentation, 2011 MRS PV Workshop, Denver, CO, Oct. 2011.
- Poster Presentation, 2011 Advanced Energy Conference, Buffalo, NY, Oct. 2011.
- Attendee, NSF Summer Institute of Energy Manufacturing: Principles and Recent Advances, Evanston, IL, June 2011.
- Session Chair and Invited Research Presentation, 2011 MRS Spring Meeting, San Francisco, CA, Apr. 2011.
- Research Review Presentation, DARPA Tip-Based Nanofabrication (TBN) Review meeting, Ft. Lauderdale, FL, Feb. 2011.
- Invited Research Presentation, NSF Workshop on Laser Processing and Energy Applications, Berkeley, CA, Jan. 2011.
- Invited Research Presentation, Workshop at the NSF Center for Scalable and Integrated Nano-manufacturing (SINAM), Berkeley, CA, Oct. 2010.
- Invited Research Presentation, 2010 Julius Springer Forum on Applied Physics, Palo Alto, CA, Oct. 2010.
- Invited Research Presentation, 2nd ASME Micro/Nanoscale Heat and Mass Transfer International Conference, Shanghai, China, Dec. 2009.
- Invited Research Presentation, 2009 Conference On Laser Ablation, Singapore, Nov. 2009.
- Invited Research Presentation, 2008 Julius Springer Forum on Applied Physics, Cambridge, MA, Sep. 27, 2008.
- Invited Research Presentation, 3rd Pacific International Conference on Applications of Lasers and Optics, Beijing, China, Apr. 2008.