2024
[124] Suk-Ho Cho and Sung Kim, “Novel electrical and optical properties of two-dimensional Weyl states achieved by thickness-dependent topological phase transition in Bi0.96Sb0.04 thin films”, Graphene Week 2024, Graphene Week 2024 APP (MKON) PA2, October 14 – 18, 2024. 10.15 Prague, Czech, Corresponding author
2023
[123] Tae Jin Jeong, Chan Wook Jang, Sung Kim, and Suk-Ho Cho, “Thickness-Dependent Raman and Photoluminescence Properties of Ternary Transition Metal Dichalcogenide Mo1-xWxS2 Layers”, The 13th International Conference on Advanced Materials and Devices 2023 (ICAMD 2023), ICAMD 2023 Program book, p59, [MON-2D23-482] (제주 라마다 호텔), December 4 – 8, 2023. 12.04 corresponding author
[122] Hee Kwon Yang, Hyeon Min No, E In Kwon, Guen Hyung Oh, Tae Wan Kim, Tae Jin Jeong3, Sung Kim, Hong Hyuk Kim, Jae Cheol Shin, ” Electrical and optical properties of the type-I and type-II MoS2/In0.53Ga0.47As van der Waals heterostructure “, Compound Semiconductor Week 2023 (CSW 2023), CSW 2023 Technical program book, p81, [P2-089] (제주 라마다 호텔), May 29 – June 2, 2023. 2023. 06.01 corresponding author
2022
[121] Tae Jin Jeong, Chan Wook Jang, Jae Kuk Kim, Suk Ho Choi, and Sung Kim, “Twisted angle dependent Optical Behaviors of Excitons and Interlayer Excitons in WS2/MoS2 Heterobilayer”, International Symposium on the Physics of Semiconductors and Applications (ISPSA) 2022, ISPSA 2022 program book, p45 (제주 라마다 호텔), July 17~21, 2022). 2022. 07.18
[120] Jae Kuk Kim, Jun Ho So, Chan Wook Jang, Sung Kim, and Suk Ho Choi, ” Deposition of Two dimensional WSXSe1-X Thin Film by a Single CVD Process and Control of Their Band Gap Energy by Varying the Amount of Se”, International Symposium on the Physics of Semiconductors and Applications (ISPSA 2022), ISPSA 2022 program book, p44 (제주 라마다 호텔), July 17~21, 2022). 2022. 07.18
2019
[119] Dong Hwan Jung, Jung Sun Ko, Sung Kim, Suk-Ho Choi, ” Highly-efficient and –stable porous-Si Schottky-junction solar cells employing multilayer-graphene-nanomesh transparent conductive electrodes”, Graphene Week 2019 Proceedings, p48 (헬싱키(Marina Congress Centre), November 23-27, 2018). 2019. 09.24
[118] Seung Hyun Shin, Jung Sun Ko, Sung Kim and Suk-Ho Choi, ” N-i-p-type perovskite photodetectors with amine-group-molecules doped graphene as n-type transparent conductive electrode”, Graphene Week 2019 Proceedings, p47 (헬싱키(Marina Congress Centre), November 23-27, 2018). 2019. 09.24
[117] Sung Kim, Dong Hwan Jung, Suk-Ho Choi, ” NaCl-assisted growth of monolayer transition-metal chalcogenides by chemical vapour deposition for optoelectronic device applications”, Graphene Week 2019 Proceedings, p56 (헬싱키(Marina Congress Centre), November 23-27, 2018). 2019. 09.25 중견과제사사
2018
[116] Jong Min Kim, Joon Soo Kim, Dong Hwan Jung, Ju Hwan Kim Sung Kim, Suk-Ho Choi, ” Use of Doped-Graphene Transparent Conductive Electrodes for High-Performance Si-Quantum-Dots-Based Solar Cells”, Program book of Recent Progress in Graphene and Two-dimensional materials research conference (RPGR 2018), p14 (Guillin, China, October 22-25, 2018). 2018. 10. 24
[115] S.-H. Shin, D.-H. Jung, J.-M. Kim, C.-W. Jang. S. Kim, S.-H. Choi, “MaPbI3 Perovskite solar cells employing flexible n-type graphene transparent conducting electrodes”, Program book of Recent Progress in Graphene and Two-dimensional materials research conference (RPGR 2018), p19 (Guillin, China, October 22-25, 2018). 2018. 10. 24: 중견과제사사
[114] Ju Hwan Kim, Dong Hwan Jung, Jong Min Kim, Sung Kim, Suk-Ho Choi, “Multilayer graphene/conducting polymer/Si nanowires/Si/TiOX hybrid solar cells”, Program book of Recent Progress in Graphene and Two-dimensional materials research conference (RPGR 2018), p18 (Guillin, China, October 22-25, 2018). 2018. 10. 24
[113] Jong Min Kim, Ju Hwan Kim, Sung Kim, and Suk-Ho Choi, “Flexible perovskite photovoltaics by employing AuCl3-doped Multilayer-graphene transparent conductive electrodes” Program book of the 19th International Symposium on the Physics of Semiconductor and Applications (ISPSA2018), p78 (Ramada Plaza Jeju Hotel, Korea, July 1-5, 2018). 2018. 07.02
2017
[112] S.-H. Choi, C. W. Jang, S. W. Seo, H. S. Lee, S. Kim, “Enhancement of efficiency in graphene with triethylenetetramine and antireflection coating with polymethylmethacrylate”, Proceedings of SPIE Nanophotonics Australasia 2017, p. 14 (Melbourne, December 10-13, 2017). 2017.12.11
[111] S.-H. Choi, S. W. Seo, H. S. Lee, C. W. Jang, S. Kim, “Encapsulated graphene/(CF3SO2)2NH/graphene transparent conductive electrodes for high-efficient flexible organic solar cells”, Proceedings of SPIE Nanophotonics Australasia 2017, p. 14 (Melbourne, December 10-13, 2017). 2017.12.11
[110] S.-H. Choi , H. S. Lee, S. W. Seo, C. W. Jang, S. Kim, “Perovskites-based flexible solar cells employing graphene transparent conductive electrodes”, Proceedings of SPIE Nanophotonics Australasia 2017, p. 14 (Melbourne, December 10-13, 2017). 2017.12.11중견 1년차 사사
[109] S.W. Seo, H.S. Lee, J.M. Kim, J.H. Kim, C.W. Jang, S. Kim, S.-H. Choi, “High-Performance Perovskite Solar Cells Employing AuCl3-Doped-Graphene Transparent Conductiong Electrodes”, Program book of the 30th International Microprocesses and Nanotechnology Conference (MNC 2017), The Japan Society of Applied Physics and Ten Korean Vacuum Society, p58(P-7-21) (Ramada Plaza Jeju Hotel, Jeju, Korea, November 6-9, 2017). 2017. 11.08
[108] Jong Min Kim, Ha Seung, Ju Hwan Kim, Chan Wook Jang, Sung Kim, Suk-Ho Choi, “Si Quantum dots/Si wafer heterojunction solar cells by employing AuCl3- or Ag-nanowires-doped-graphene transparent conductive electrodes “Program book of Graphene Week 2017, Graphene Flagship, p241 (Athens, Greece, September 25-29, 2017). 2017. 09.26
[107] Ha Seung Lee, Ju Hwan Kim, Jong Min Kim, Sung Kim, Suk-Ho Choi, “Optical and Electrical characterization of perovskites on graphene transparent conductive electrodes for flexible solar cells “Program book of Graphene Week 2017, Graphene Flagship, p203 (Athens, Greece, September 25-29, 2017). 2017. 09.26, 중견1년차 사사
[106] Chan Wook Jang, Dong Hee Shin, Ha Seung Lee, Sung Kim, Suk-Ho Choi, “Triethylenetetramin-doped graphene/Si heterojunction solar cells employing polymethylmethacrylate antireflection layer “Program book of Graphene Week 2017, Graphene Flagship, p134 (Athens, Greece, September 25-29, 2017). 2017. 09.26
[105] Ju Hwan Kim, Jong Min Kim, Ha Seung Lee, Sung Kim, Suk-Ho Choi, “Device Characterization of graphene-based low-dimensional nanojunction fabricated by metal-assisted chemical etching, “Program book of Graphene Week 2017, Graphene Flagship, p115 (Athens, Greece, September 25-29, 2017). 2017. 09.26
[104] S. W. Seo, H. S. Lee, C. W. Jang, Sung Kim, Suk-Ho Choi, “Flexible Organic Solar Cells Employing Encapsulated Graphene/(CF3SO2)2NH/Graphene Transparent Conductive Electrodes”, Program book of the 27th International Conference on Amorphous and Nanocrystalline Semiconductor (ICANS 27), p70 (Hoam Faculty House, Seoul National University, Korea, August 21-25, 2017). 2017. 08.23
[103] Jong Min Kim, Ha Seung Lee, Ju Hwan Kim, Sung Kim, Suk-Ho Choi, “Fabrication and Characterization of Si Quantum Dots/Si Wafer Heterojunction Solar Cells Employing Doped-graphene Transparent Conductive Electrodes”, Program book of the 27th International Conference on Amorphous and Nanocrystalline Semiconductor (ICANS 27), p69 (Hoam Faculty House, Seoul National University, Korea, August 21-25, 2017). 2017. 08.23
[102] J. H. Kim, J. M. Kim, H. S. Lee, S. Kim, S.-H. Choi, “Fabrication of Graphene-based Low-dimensional Nano-Junction by Metal-assisted Chemical Etching and Device Characterization”, Program book of the 27th International Conference on Amorphous and Nanocrystalline Semiconductor (ICANS 27), p34 (Hoam Faculty House, Seoul National University, Korea, August 21-25, 2017). 2017. 08.22
[101] Ha Seung Lee, Ju Hwan Kim, Jong Min Kim, Sung Kim, Suk-Ho Choi,, “Fabrication and Characterization of Perovskite for Flexible Solar Cells Employing Graphene Transparent Conductive Electrodes”, Program book of the 27th International Conference on Amorphous and Nanocrystalline Semiconductor (ICANS 27), p33 (Hoam Faculty House, Seoul National University, Korea, August 21-25, 2017). 2017. 08.22, 중견 1년차 사사
[100] Chan Wook Jang, Ha Seung Lee, Sung Kim, Suk-Ho Choi, “Polymethylmethacrylate Coating as an Antireflection Layer on Triethylene-tetramine-doped Graphene/Si Schottky-Junction Solar Cells for Performance Improvement”, Program book of the 27th International Conference on Amorphous and Nanocrystalline Semiconductor (ICANS 27), p33 (Hoam Faculty House, Seoul National University, Korea, August 21-25, 2017). 2017. 08.22
2016
[99] Chan Wook Jang, Kyeong Won Lee, Ha Seung Lee, Sung Kim, Suk-Ho Choi, “Light-induced negative differential resistance found in graphene/Si quantum-dot resonant tunneling diodes”, Program book of the 8th International Conference on Recent Progress in Graphene/2D research (RPGR 2016), p209 (Sungkyunkwan University, Korea, September 25-29, 2016). 2016. 09.26
[98] Dong Hee Shin, Jong Min Kim, Sang Woo Seo, Sung Kim, Suk-Ho Choi, “Effect of co-doping with AuCl3 and Ag nanowires on graphene sheets and photoelectric device applications”, Program book of the 8th International Conference on Recent Progress in Graphene/2D research (RPGR 2016), p208 (Sungkyunkwan University, Korea, September 25-29, 2016). 2016. 09.26
[97] Jong Min Kim, Ju Hwan Kim, Sung Kim, Suk-Ho Choi, Kyung Joong Kim, “Enhancement of power conversion efficiency in Si-quantum-dot solar cells by using graphene as a transparent electrode”, Program book of the 8th International Conference on Recent Progress in Graphene/2D research (RPGR 2016), p207 (Sungkyunkwan University, Korea, September 25-29, 2016). 2016. 09.26
[96] Chan Wook Jang, Jung Hyun Kim, Sung Kim, Suk-Ho Choi and R. G. Elliman, “In-situ doping of graphene by employing pre-implanted Cu during chemical vapor deposition”, Program book of the 8th International Conference on Recent Progress in Graphene/2D research (RPGR 2016), p180 (Sungkyunkwan University, Korea, September 25-29, 2016). 2016. 09.26
[95] Jong Min Kim, Ju Hwan Kim, Soo Seok Kang, Sung Kim, Suk-Ho Choi, Kyung Joong Kim, “High-efficiency Si-quantum-dot solar cells containing pristine and doped graphene layers as transparent electrodes “, Program book of the 18th International Symposium on the Physics of Semiconductor and Applications (ISPSA2016), p43 (Ramada Plaza Jeju Hotel, Korea, July 3-7, 2016). 2016. 07.06
[94] Ju Hwan Kim, Jong Min Kim, Sang Woo Seo, Sung Kim, Suk-Ho Choi, “Single Si-nanowire/graphene-nanoribbon lateral-type heterojunctions”, Program book of the 18th International Symposium on the Physics of Semiconductor and Applications (ISPSA2016), p41 (Ramada Plaza Jeju Hotel, Korea, July 3-7, 2016). 2016. 07.06
[93] Chan Wook Jang, Jung Hyun Kim, Sung Kim, Suk-Ho Choi and R. G. Elliman, “Boron-ion implantation for p-type doping of graphene by using PMMA as a stopping layer”, Program book of the 18th International Symposium on the Physics of Semiconductor and Applications (ISPSA2016), p25 (Ramada Plaza Jeju Hotel, Korea, July 3-7, 2016). 2016. 07.04
[92] J. M. Kim, S. Kim, J. H. Kim, C. W. Jang, J. H. Kim, S.-H. Choi, “Plasmon-coupled strong enhancement of luminescence from GaN light-emitting diodes with graphene/ZnO electrodes”, Proceedings of International Conference on Nanoscience and Nanotechnology (ICONN-2016), (Canberra, Australia, February 7-11, 2016).
[91] J. H. Kim, J. M. Kim, C. W. Jang, S. Kim, and S.-H. Choi* , “Controllable n-type doping of graphene by using triethylenetetramine”, Proceedings of International Conference on Nanoscience and Nanotechnology (ICONN-2016), (Canberra, Australia, February 7-11, 2016).
[90] C. W. Jang, J. H. Kim, J. M. Kim, S. Kim, J. H. Kim, S.-H. Choi, K. Belay, and R. G. Elliman, “Doping of graphene by boron-ion implantation with a blocking-layer”, Proceedings of International Conference on Nanoscience and Nanotechnology (ICONN-2016), (Canberra, Australia, February 7-11, 2016).
2015
[89] Hud A Wahab, Robert Haverkamp, Sung Kim, J. M. Cadogan, Hans-Christoph Mertins, Suk-Ho Choi, Heiko Timmers, “Reversible rippling of CVD graphene on copper substrates”, RPGR 2015, Schedule table #107 (Victoria, Australia, October 25-29 2015), 20151026
[88] JuHwan Kim, Jungkil Kim, JungHyun Kim, Dae Hun Lee, Sung Kim,Suk-Ho Choi, “Lateral-type heterojunctions of single silicon nanowire/graphene nanoribbon”, RPGR 2015, Schedule table #117 (Victoria, Australia, October 25-29 2015), 20151026
[87] Sung Kim, Jung Hyun Kim, Jungkil Kim, Soo Seok Kang, Chan Wook Jang,Suk-Ho Choi, Sung Won Hwang, “Novel light-emitting and photocurrent properties induced by energy transfer from silica nanoparticles to adjacent graphene quantum dots”, RPGR 2015, Schedule table #118 (Victoria, Australia, October 25-29 2015), 20151026
[86] Chan Wook Jang, Ju Hwan Kim, Jungkil Kim, Sung Kim, Suk-Ho Choi, K. Belay, and R. G. Elliman, “Boron doping of graphene by using a supporting layer during ion implantation”, Graphene Week 2015, abstract book p.54 (Manchester, UK, Jun 22-26 2015)
[85] Jong Min Kim, Dae Hun Lee, Chan Wook Jang, Jungkil Kim, Sung Kim, and Suk-Ho Choi, “Plasmon-coupled enhancement of luminescence from AuCl3-doped graphene/ZnO films for various doping concentrations”, Graphene Week 2015, abstract book p.452 (Manchester, UK, Jun 22-26 2015)
[84] Jungkil Kim, Ju Hwan Kim, Jong Min Kim, Sung Kim, and Suk-Ho Choi, “Graphene-Assisted Chemical Etching of Silicon, Graphene Week 2015, abstract book p.55 (Manchester, UK, Jun 22-26 2015)
[83] Sung Kim, Dong Hee Shin, Chan Wook Jang, Jong Min Kim, and Suk-Ho Choi, “Photodetection by using heterostructures of graphene/silicon quantum dots”, Graphene Week 2015, abstract book p.453 (Manchester, UK, Jun 22-26 2015)
2014
[82] J. Kim, S. D. Oh, D. H. Lee, S. Kim, and, S.-H. Choi, “Fabrication of Monolayer MoS2 byTwo-Step Chemical Exfoliations”, Proceedings of the 16th International Symposium on the Physics of Semiconductors and Applications (ISPSA-2014), p.59 (Jeju, December 7-11, 2014).
[81] J. M. Kim, C. W. Jang, J. H. Kim, D. H. Shin, S. Kim, and, S.-H. Choi, “Observation of Phonon Anomaly in Single-Layer Graphene Facilitated by Chemical Doping”, Proceedings of the 16th International Symposium on the Physics of Semiconductors and Applications (ISPSA-2014), p.61 (Jeju, December 7-11, 2014).
[80] S. D. Oh, J. Kim, J. H. Kim, S. Kim, S.-H. Choi, “Fabrication of Graphene Quantum Dots by Nanosphere Lithography and Structural and Optical Characterizations”, Proceedings of the 16th International Symposium on the Physics of Semiconductors and Applications (ISPSA-2014), p.59 (Jeju, December 7-11, 2014).
[79] S. Kim, D. H. Shin, J. Kim, J. M. Kim, K. W. Lee, and, S.-H. Choi, “Synthesis and Characterization of Graphene Quantum Dots-encapsulated Silica Particles”, Proceedings of the 16th International Symposium on the Physics of Semiconductors and Applications (ISPSA-2014), p.59 (Jeju, December 7-11, 2014).
[78] S. Hamh, S.-H. Park, J. Park, J. S. Kim, E. Choi, S. Kim, S.-H. Choi, S. Oh, J. H. Jeon, S.-J. Kahng, and J. S. Lee, “Surface and interface states of topological insulators investigated by nonlinear optical techniques”, Proceedings of the 16th International Symposium on the Physics of Semiconductors and Applications (ISPSA-2014), p.49 (Jeju, December 7-11, 2014).
[77] J. Kim, S. Kim, K. W. Lee, J. H. Kim, D. H. Lee, and S.-H. Choi, “Near-UV-Sensitive Graphene/Porous Silicon Photodetectors”, Proceedings of the 6th International Conference on Recent Progress in Graphene Research 2014, p. 16 (Taipei, September 21-25, 2014).
[76] J. M. Kim, C. O. Kim, D. H. Shin, J. H. Kim, D. H. Lee, S. Kim, and S.-H. Choi, “Strong Enhancement of near-band-edge photoluminescence from AuCl3-doped graphene/ZnO films “, Proceedings of the 6th International Conference on Recent Progress in Graphene Research 2014, p. 25 (Taipei, September 21-25, 2014).
[75] S. D. Oh, J. Kim, J. M. Kim, D. H. Shin, S. Kim, and S.-H. Choi, “Structural and Optical Properties of Graphene Quantum Dots Fabricated by Nanosphere Lithography”, Proceedings of the 6th International Conference on Recent Progress in Graphene Research 2014, p. 22 (Taipei, September 21-25, 2014).
[74] S. Kim, D. H. Shin, J. Kim, S. D. Oh, S. S. Kang, and S.-H. Choi, “Structural and Optical Properties of Hybrid Structures of Graphene Quantum Dots/Silica Nanoparticles”, Proceedings of the 6th International Conference on Recent Progress in Graphene Research 2014, p. 25 (Taipei, September 21-25, 2014).
[73] Ju Hwan Kim, Kyeong Won Lee, Jong Min Kim, Dong Hee Shin, Sung Kim, and Suk-Ho Choi, “Electrical and optical characterization of field-effect transistors containing graphene layers doped with HNO3, AuCl3, and RhCl3” Graphene 2014, Proceedings of Graphene 2014 p. 44 (Toulouse, May 6-9, 2014).
[72] Kyeong Won Lee, Ju Hwan Kim, Soo Seok Kang, Dong Hee Shin, Sung Kim, and Suk-Ho Choi, ” Effect of rapid thermal annealing in vacuum on the structural and optical properties of MoS2 flakes in solution” Graphene 2014, Proceedings of Graphene 2014 p. 43 (Toulouse, May 6-9, 2014).
[71] Dong Hee Shin, Sung Kim, Chang Oh Kim, Jong Min Kim, Ju Hwan Kim, Kyeong Won Lee, Suk-Ho Choi, “Photoresponsivity characterization of all-graphene p-n vertical-junction photodetectors at various doping concentrations” Graphene 2014, Proceedings of Graphene 2014 p. 34 (Toulouse, May 6-9, 2014).
[70] Sung Kim, Dong Hee Shin, Sung Won Hwang, Suk-Ho Choi, “Structural and optical properties of N-doped graphene quantum dots” Graphene 2014, Proceedings of Graphene 2014 p. 43 (Toulouse, May 6-9, 2014).
[69] J. W. Park, H. S. So, S. Kim, S.-H. Choi, J. Lee, C. Lee, and H. Lee, “Dielectric Function and Luminescence of Large-Area MoS2 Ultra-Thin films Grown Using Chemical Vapor Deposition” 2014 MRS Spring Meeting & Exhibit, Program& Exhibit guide p. 344 (NN3.21) (San Francisco, April 21-25, 2014).
2013
[68] J. Kim, D. H. Shin, J. H. Kim, S. Kim, and S.-H. Choi, “Wafer-scale Graphene/Si nanowire vertical heterostructures and molecular sensor applications”, Proceedings of International Conference on One-dimensional nanomaterials (ICON 2013), p. (Annecy, France, September 23-26, 2013).
[67] Soong Sin Joo, Jungkil Kim, Joo Hwan Kim, Si Duck Oh, Jae Sung Lee, Sung Kim, and Suk-Ho Choi, “Photocurrent Characteristics of Graphene/Porous Silicon Junctions for Photodetectors, Proceedings of the 16th International Symposium on the Physics of Semiconductors and Applications, p274 (F-P-011) (Ramada Plaza Jeju Hotel, Korea, July 2-5 2013)
[66] Jong Min Kim, Chang Oh Kim, Dong Hee Shin, Ju Hwan Kim, Sung Kim, and Suk-Ho Choi, “Plasmon-coupled enhancement of photoluminescence from AuCl3-doped graphene/ZnO films, Proceedings of the 16th International Symposium on the Physics of Semiconductors and Applications, p273 (F-P-010) (Ramada Plaza Jeju Hotel, Korea, July 2-5 2013)
[65] Dong Hee Shin, Soo Seok Kang, Kyeong Won Lee, Sung Kim, and Suk-Ho Choi, “Structural and optical characterization of nitrogen-doped graphene quantum dots, Proceedings of the 16th International Symposium on the Physics of Semiconductors and Applications, p268 (F-P-004) (Ramada Plaza Jeju Hotel, Korea, July 2-5 2013)
[64] Jungkil Kim, Chan Wook Jang, Ju Hwan Kim, Sung Kim, and Suk-Ho Choi, “Wafer-Scale Si Nanowire-Based Molecule Sensor Using Graphene as an Electrode, Proceedings of the 16th International Symposium on the Physics of Semiconductors and Applications, p266 (F-P-002) (Ramada Plaza Jeju Hotel, Korea, July 2-5 2013)
[63] Sung Kim, Dong Hee Shin, Soo Seok Kang, Soong Sin Joo, and Suk-Ho Choi, “Size- and shape-dependent anomalous structural and optical properties of graphene quantum dots, Proceedings of the 16th International Symposium on the Physics of Semiconductors and Applications, p214 (A4-O-05) (Ramada Plaza Jeju Hotel, Korea, July 2-5 2013)
[62] Chang Oh Kim, Dong Hee Shin, Ju Hwan Kim, Jong Min Kim, Sung Kim, and Suk-Ho Choi, “Fabrication and Characterization of Graphene p-n Vertical Junctions, Proceedings of the 16th International Symposium on the Physics of Semiconductors and Applications, p10 (B1-O-04) (Ramada Plaza Jeju Hotel, Korea, July 2-5 2013)
[61] Sung Kim, Dong Hee Shin, Chang Oh Kim, Suk-Ho Choi, “Fabrication and photodetector application of graphene p-n vertical-junction tunneling diodes, Graphene Week 2013, p123 (TuP-23) (Chemnitz, Germany, Jun 2-7 2013)
[60] C. O. Kim, S. S. Kang, D. H. Shin, S. S. Joo, J. M. Kim, J. Kim, S. Kim, and S.-H. Choi, “Size-dependent structural and optical characteristics of graphene quantum dots”, MRS Proceedings, p. 193 (San Francisco, April 1-5, 2013).
[59] D. H. Shin, C. O. Kim, C. W. Jang, J. H. Kim, J. M. Kim, S. Kim, and S.-H. Choi, “Fabrication and characterization of graphene p-n vertical junctions for different n doping concentrations”, MRS Proceedings, p. 218 (San Francisco, April 1-5, 2013).
2012
[58] Chan Wook Jang, Dong Hee Shin, Jae Sung Lee, Sung Kim, and Suk-Ho Choi, “Electrical and optical properties of field-effect transistors containing undoped and AuCl3-doped graphene”, Recent progress in graphene research 2012, conference guide p. 83 (Beijing (China), October 3-6, 2012).
[57] Chang Oh Kim, Dong Hee Shin, Chan Wook Jang, Sung Kim, and Suk-Ho Choi, “Structural and optical characterization of graphene layers doped with benzyl viologen at various concentrations”, Recent progress in graphene research 2012, conference guide p. 82 (Beijing (China), October 3-6, 2012).
[56] Jong Min Kim, Dong Hee Shin, Soo Seok Kang, Chang Oh Kim, Sung Kim, and Suk-Ho Choi, “Annealing-temperature-dependent structural and optical characteristics of AuCl3-doped graphene”, Recent progress in graphene research 2012, conference guide p. 84 (Beijing (China), October 3-6, 2012).
[55] Soo Seok Kang,Sung Kim, Jong Min Kim1, Dong Hee Shin, Chang Oh Kim, Suk-Ho Choi1, Li-Hua Jin, Yong-Hoon Cho, Sung Won Hwang, and Cheolsoo Sone, “Size-dependent photoluminescence lifetime of graphene quantum dots”, Recent progress in graphene research 2012, conference guide p. 86 (Beijing (China), October 3-6, 2012).
[54] Jae Sung Lee, Dong Hee Shin, Chang Oh Kim, Sung Kim and Suk-Ho Choi, “Structural and optical properties of graphene prepared by C ion implantation into Cu foils”, Recent progress in graphene research 2012, conference guide p. 85 (Beijing (China), October 3-6, 2012).
[53] Chang Oh Kim, Sung Kim, Dong Hee Shin, and Suk-Ho Choi, “Effect of doping-concentration-dependent characteristics of Ga-doped ZnO on the luminescence of GaN light emitting diodes as electrodes”, MRS Proceedings, p. 133 (San Francisco, April 9-13, 2012).
[52] Dong Hee Shin, 김창오, Sung Kim, and Suk-Ho Choi, “Doping concentration-dependent structural and electrical properties of p-type graphene doped with AuCl3“, MRS Proceedings, p. 285 (San Francisco, April 9-13, 2012).
[51] D. H. Shin, S. Kim, C. O. Kim, S.-H. Choi, S. W. Hwang, C. Son, M. K. Kim, H. J. Choi, “Size-dependent Absorption and Photoluminescence Behaviors of Graphene Quantum Dots “, MRS Proceedings, p. 285 (San Francisco, April 9-13, 2012).
2011
[50] Sung Kim, Dong Hee Shin, Dong Yeol Shin, and Suk-Ho Choi, “size-dependent structural and optical properties of grapheme quantum dots” 2nd nanotoday conference, P6-20 (Marriott Waikola beach, Hawaii, USA, December 11-15, 2011)
[49] D. H. Shin, S. B. Yang, S. Kim, S.-H. Choi, “Temperature-dependent conductivity and Raman scattering of graphene rippled on size-controlled Si-nanocrystal layers”, Proceedings of Recent Progress in Graphene Research 2011, p. 108 (Suwon, October 5, 2011).
[48] Dong Yeol Shin, Dong Hee Shin, Chang Oh Kim, Sung Kim, and Suk-Ho Choi, “Doping effect of graphene on plasmon-coupled enhancement of luminescence from hybrid structures of graphene/ZnO” Proceedings of the 15th International Symposium on the Physics of Semiconductors and Applications (ISPSA-2011), p. 52 (F-P-39) ( Jeju, July 7, 2011 )
[47] Seung Bum Yang, Dong Hee Shin, Sung Kim, and Suk-Ho Choi, “Temperature-dependent electronic-conduction characteristics of n- and p-type single-layer graphene” Proceedings of the 15th International Symposium on the Physics of Semiconductors and Applications (ISPSA-2011), p. 39 (Jeju, July 5-8, 2011).
[46] Dong Hee Shin, Dong Yeol Shin, Sung Kim, and Suk-Ho Choi “Effect of applied bias on Raman spectra of undoped and n-/p-type graphene” International Symposium on the Physics of Semiconductors and Applications (ISPSA-2011), p. 39 (Jeju, July 5-8, 2011).
[45] Seung Bum Yang, Sung Kim, Jungkil Kim, Suk-Ho Choi, Hong Kyw Choi, and Sung-Yool Choi, “Temperature-dependent Resistivity of Graphene Rippled on Size-controlled Si-nanocrystal Layers”, MRS Proceedings, p. 322 (San Francisco, April 25-29, 2011).
[44] Dong Hee Shin, Sung Kim, Dong Yeol Shin, Jungkil Kim and Suk-Ho Choi, “Effect of Applied Bias on the Raman Scattering of Chemical-vapor-deposition-grown Graphene on SiO2 Films.”, 2011MRS abstract, p322(QQ9.22) (San Francisco, April 25-29, 2011).
[43] Dong Hee Shin, Sung Kim, Seung Hui Hong, Chang Oh Kim, Suk-Ho Choi, “Formation characteristics of silica nanowires grown by annealing double layers of ZnO/SiOX“, IUMRS-ICEM 2010 Programme and Abstract, p504(PIII-255) (22nd – 27th August 2010 KINTEX (Korea International Exhibition Center), GyeongGi-Do, Korea).
[42] S. Kim, C. O. Kim, S. H. Hong, S.-H. Choi, T. Kim, and R. G Elliman, “Crystalline Si/SiOX core-shell nanowires self-assembled from hydrogenated Si-rich oxide and photoluminescence”, 30th International Conference on the Physics of Semiconductors abstract, p171(P2-135) (Seoul, July 25-30, 2010).
[41] Min Choul Kim, Sung Kim, Suk-Ho Choi, K .Belay, R. G. Elliman, and S. P. Russo “Nonvolatile memories using charge traps formed in high-k dielectrics by metal ion implantation”, 30th International Conference on the Physics of Semiconductors abstract, 202(P2-357) (Seoul, July 25-30, 2010).
[40] Dong Hee Shin, Sung Kim, Chang Oh Kim, and Suk-Ho Choi “Effect of Energy-transfer on the photoluminescence from hybrid structures of ZnO film/Si nanocrystals”, 2010MRS abstract, p155(N11.7) (San Francisco, April 5-9, 2010).
[39] Muhammad N. Saleh, Sung Kim, Dinesh K. Venkachalam, Kidane Belay, and Robert G. Elliman “The effect of ion-implantation on the forming and resistive switching respone of NiO thin-films”, 2010MRS abstract, p114(G5.6) (San Francisco, April 5-9, 2010).
[38] Min Choul Kim, Sung Kim, Suk-Ho Choi, R. G. Elliman, and S. Russo “Strong enhancement of near-band-edge photoluminescence from carbon nanotubes/ZnO hybrid structures”, 2009MRS abstract, p120(H5.1) (San Francisco, April 13-17, 2009).
[37] Dong Hee Shin, Sung Kim, Sung Won Hwang, Chang Oh Kim, and Suk-Ho Choi “Strong enhancement of near-band-edge photoluminescence from carbon nanotubes/ZnO hybrid structures”, 2009MRS abstract, 186(V6.3) (San Francisco, April 13-17, 2009).
[36] Chang Oh Kim, Sung Kim, Ji Sun Nam, Hyoung Taek Oh, Suk-Ho Choi and Yun Son “Correlation of electronic properties with ferromagnetism in Cu-doped ZnO”, 2009MRS abstract, 186(V6.2) (San Francisco, April 13-17, 2009).
[35] Chang Oh Kim, Hye Ryong Kim, Sung Kim, and Suk-Ho Choi “Fabrication and characterization of ZnO/SiOX composite materials” IUMRS-ICA 2008 proceedings, 33 (BP-7) (Nagoya (Japan), December 9-13, 2008)
[34] Chang Oh Kim, Sung Kim, and Suk-Ho Choi “Structural and optical properties of hybrid nanostructures of ZnO/Si” APMC9 proceedings, 135 (Jeju, November 2-7, 2008)
[33] Suk-Ho Choi, Sung Kim, Sung Won Hwang, Chang Oh Kim, Taehyun Kim, and R. G. Elliman “Blue-light emission from crystalline Si/silica core/shell nanowires” 2008 5th IEEE International Conference on Group IV Photonics90-92 (Sorrento, September 17-19, 2008)
[32] S. W. Hwang, S. Kim, C. O. Kim, J. W. Park, H. Lee, Suk-Ho Choi, W. D. Kim, and J. Y. Koo “Formation of Ge wetting layers on Si(100) surfaces studied by real time scanning tunneling microscopy” accepted for publication in ISPSA proceedings, 428 ( Jeju, August 26-29, 2008 )
[31] Sung Kim, Sung Won Hwang, Chang Oh Kim, and Suk-Ho Choi “Fabrication and Photoluminescence of Crystalline-Si Core/Amorphous-Si Shell Nanowires” accepted for publication in ISPSA proceedings, 422 ( Jeju, August 26-29, 2008 )
[30] Hye Ryong Kim, Sung Kim, Chang Oh Kim, Ji Sun Nam, Hyoung Taek Oh, and Suk-Ho Choi “Temperature-dependent photocurrent spectra of ZnO thin films” accepted for publication in ISPSA proceedings, 73 ( Jeju, August 26-29, 2008 )
[29] Chang Oh Kim, Sung kim, Dong Hee Shin, Hyoung Taek Oh, Sung Hwan Eom, and Suk-Ho Choi “Optical and Structural Properties of Cu-doped ZnO Films” accepted for publication in ISPSA proceedings, 72 ( Jeju, August 26-29, 2008 )
[28] Sung Kim, Sung Won Hwang, Chang Oh Kim, Suk-Ho Choi, Taehyun Kim, and R. G. Elliman2, “Ultraviolet-blue emission from silica nanowires grown from Si-rich oxide using a Ni catalyst”, 2008MRS abstract, 160(O4.19) (San Francisco, March 24-29, 2008).
[27] Min Choul Kim, Do Kyu Lee, Sung Kim, Chang Oh Kim, and Suk-Ho Choi, and R. G. Elliman, “Optical and structural characterization of Ge quantum dots embedded in ZnO”, 2008MRS abstract, 128(I5.12) (San Francisco, March 24-29, 2008).
[26] Chang Oh Kim, Sung Kim, Do Kyu Lee, Hye Ryong Kim, Sung Won Hwang, Seung Hui Hong, Sung Hwan Eom, and Suk-Ho Choi, “Structural and optical characterization of ZnO nanocrystals grown on SiOx films with various oxygen content”, 2008MRS abstract, 128(I5.11) (San Francisco, March 24-29, 2008).
[25] Sung Won Hwang, Sung Kim, Seung Hui Hong, Jun Woo Park, Hosun Lee, and Suk-Ho Choi, Wondong Kim, and Jayong Koo, “Carbon-induced strain engineering for size and density control of self-assembled germanium quantum dots”, 2008MRS abstract, 199 (V6.5) (San Francisco, March 24-29, 2008).
[24] Sung Won Hwang, Sung Kim, Seung Hui Hong, Chang Oh Kim, Suk-Ho Choi, Yong Sung Kim, and Ja Yong Koo, “Structural and Optical characterization of silicon nanocrystals in atomic scale by ultra-high-vacuum scanning tunneling microscopy”, 2008MRS abstract, 200 (V8.5) (San Francisco, March 24-29, 2008).
[23] Sung Kim, Do Kyu Lee, Chang Oh Kim, S. H. Eom, and S.-H. Choi, “Optical and structural characterization of Ge-doped ZnO thin films fabricated by RF magnetron sputtering”, The 4th International Workshop on Advanced Materials for Information Technology &Aplication (IWAMITA) 2007, 220 (Kuynghee University (Korea)) 2 Nobember, 2007)
[22] S. Kim, D. K. Lee, M. C. Kim, and S.-H. Choi, and S. H. Eom, “Optical and structural characterization of Ge-doped ZnO thin films fabricated by RF magnetron sputtering”, The 13th International Conference on II-VI Compounds Handbook and Abstracts, 220 (Jehu (Korea)) 10-14 September, 2007)
[21] Sung Kim, Min Choul Kim, Yong Min Park, Suk-Ho Choi, Kyung Joong Kim, Han Na Hwang, Chan Cook Hwang, “Synchrotron-Radiation Photoemission Spectroscopy of Si nanocrystals/SiO2 Interfaces Fabricated by Ion Beam Sputtering and Annealing”, International Conference on Materials for Advanced Technologies (ICMAT) 2007 Proceedings, 28 (Singapore,1-6 July 2007)
[20] Do Kyu Lee, Sung Kim, Phil Sung Jung, Sung Won Hwang, Suk-Ho Choi, and R. G. Elliman “Optical and structural properties of Ge nanocrystals embedded in HfO2”, MRS Proceedings, 197 (San Francisco, April 17-21, 2007).
[19] Min Choul Kim, Yong Min Park , Sung Kim, and Suk-Ho Choi , Kyung Joong Kim, “Nonvolatile memory characteristics of Si-nanocrystal floating-gate MOSFETs fabricated by using 0.5 μm CMOS standard processes”, MRS Proceedings, 197 (San Francisco, April 17-21, 2007).
[18] Suk-Ho Choi, Sung Kim, Yong Min Park, and Kyung Joong Kim, “Temperature-dependent carrier recombination processes in nanocrystalline Si/SiO2multi-layers studied by time-resolved and time-integrated photoluminescence”, publication in group four photonics Proceedings (Ottawa (Canada), September 11- September 16, 2006).
[17] S. Kim, Y. M. Park, S. H. Choi, and K. J. Kim, “Origin of cathodoluminescence from Si Nanocrystal/SiO2 multilayers”, ISPSA Proceedings 209 (Jeju (Korea), August 22- August 26, 2006).
[16] S. W. Hwang, S. Kim, Y. M. Park, S. H. Choi, S. Y. Yu, H. J. Chung, W. D. Kim, and J. Y. Koo, “Atomic-scale structural characterization of Si nanocrystals by using UHV scanning tunneling microscopy and atomic force microscopy”, ISPSA Proceedings 208 (Jeju (Korea), August 22- August 26, 2006).
[15] S. Kim, S. W. Hwang, Y. M. Park, S. H. Choi, and K. J. Kim, “Carrier recombination dynamics in Si nanocrystals studied by continuouswave and time-resolved photoluminescence”, ISPSA Proceedings 207 (Jeju (Korea), August 22- August 26, 2006).
[14] M. C. Kim, Y. M. Park, S. Kim, S. H. Choi, and K. J. Kim, “Photoluminescence characterization of Si nanocrystals in Si-rich oxide layers depending on thickness, oxygen content, and existence of SiO2“, ISPSA Proceedings 206 (Jeju (Korea), August 22- August 26, 2006).
[13] S. H. Choi, M. C. Kim, S. Kim, S. H. Eom, S. J. Park, Y. K. Cha, D. G. Cha, E. H. Lee, and Y. S. Park, “Optical and electrical characterization of Si nanodots fabricated by oxidation of amorphous Si”, ISPSA Proceedings 205 (Jeju (Korea), August 22- August 26, 2006).
[12] Kyu Il Han, Yong Min Park, Sung Kim, and Suk-Ho Choi, Young-Kwan Cha, Sangjin Park, Youngsoo Park, and In-Kyeong Yoo, Kyung Joong Kim, “High-performance memory characteristics of n-channel MOSFET with Si-nanocrystal floating gate prepared in ultra-high vacuum by ion beam sputtering “, E-MRS Proceedings c-11 (Nice (France), May 29- June 2, 2006).
[11] Min Choul Kim, Yong Min Park, Sung Kim, and Suk-Ho Choi, Kyung Joong Kim, Kwang-Hyun Ahn, and Song-Ho Byeon, “Growth and photoluminescence characteristics of Si nanocrystals in ion-beam-sputtered SiOx layers depending on their thickness and the existence of SiO2 capping layer ”, MRS Proceedings, 197 (San Francisco, April 17-21, 2006).
[10] Sung Kim, Yong Min Park, Suk-Ho Choi, and Kyung Joong Kim, “Radiative versus non-radiative decay processes studied by time-resolved photoluminescence for multi-layered Si nanocrystals fabricated by ion beam sputtering and annealing”, MRS Proceedings, 197 (San Francisco, April 17-21, 2006).
[9] Sung Kim, Suk-ho Choi, C. J. Park, H. Y. Cho, and R. G. Elliman, “Structural and optical characterization of Ge nanocrystals showing large nonvolatile memories in metal-oxide-semiconductor structures” accepted for publication in ICMD Proceedings, 191 ( Jeju (Korea), December 5- 7, 2005).
[8] Min Choul Kim, Kyu Il Han, Sung Kim, Suk-Ho Choi, C. J. Park, H. T. Oh, H. Y. Cho, ” Optical characterization of Ge quantum dots grown by high temperature chemical vapour deposition” accepted for publication in ICAMD Proceedings, 168 ( Jeju (Korea), December 5- 7, 2005)
[7] S. Kim, S. -H. Choi, K. H. Cho, C. J. Park, D. Y. Kim, W. C. Yang, H. Y. Cho, R. G. Elliman, “Electrical and structural conditions for better memory effects of Ge nanocrystals in a Metal-Oxide-Semiconductor”, accepted for publication in E-MRS Proceedings (Strasbuorg (France), May 28- June 2, 2005).
[6] Suk-Ho Choi, Yong Min Park, Sung Kim, Kyung Joong Kim, Dae Won Moon, “Nonvolatile memory characteristics of single- and multi- layer Si nanocrystals prepared by ion beam sputtering and annealing”, accepted for publication in E-MRS Proceedings (Strasbuorg (France), May 28- June 2, 2005).
[5] Suk-Ho Choi, Sung Kim, C. J. Park, H. Y. Cho, and R. G. Elliman, “Defect- versus nanocrystal- related luminescence from Si–-implanted sapphire”, accepted for publication in MRS Proceedings (San Francisco, April 12-16, 2004).
[4] In-Hee Chang, Sung Kim, Suk-Ho Choi, Jae-Hong Kim, Min Ju Cho, and Dong Hoon Choi, “Photoinduced Enhancement or Decrease of Photoluminescence in Alkyloxy Phenylene Vinylene Polymer”, accepted for publication in Proceedings of the 12th International Symposium on the Physics of Semiconductors and Applications (ISPSA-2004), p. 167 (Gyeongju, March 14-16, 2004).
[3] S.-H. Choi, Sung Kim, C. J. Park, H. Y. Cho, and R. G. Elliman, “Luminescence Study of Si–– and Ge–-Implanted (1102) Sapphires”, accepted for publication in Proceedings of the 12th International Symposium on the Physics of Semiconductors and Applications (ISPSA-2004), p. 9 (Gyeongju, March 14-16, 2004).
[2] S. H. Hong, S. Kim, S.-H. Choi, K. J. Kim, D. W. Moon, T. D. Kang, and H. Lee, ” Optical Characterization of Si Nanocrystals in Si-rich SiOX and SiOX/SiO2 Multilayers Grown by Ion Beam Sputtering “, Proceedings of International Conference on Advance Materials and Devices (ICAMD 2003), p. 119 (Jeju, December 10-12, 2003)
[1] Sung Kim and S.-H. Choi, “Luminescence properties of Si and Ge nanocrystals formed in fused silica or sapphire by ion implantation and thermal annealing”, Proceedings of International Symposium on Information Science and Electrical Engineering 2003 (ISEE 2003), p. 303 (Fukuoka, November 13-15, 2003).