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Organic Electronics and Nanophotonics Laboratory

Silicon etching using copper–metal-assisted chemical etching: unveiling the role of Cu2O in microscale structure fabrication, Ensol Lee, Sangseung Park, Gyeong-Su Park, Minisha Mehta, Lawrence Yoon Suk Lee, Changsoon Kim, In-Suk Choi, ACS Applied Materials and Interfaces 17, 2566 (2025).

Photo-induced charge carrier dynamics in a semiconductor-based ion trap investigated via motion-sensitive qubit transitions, Woojun Lee, Daun Chung, Honggi Jeon, Beomgeun Cho, KwangYeul Choi, SeungWoo Yoo, Changhyun Jung, Junho Jeong, Changsoon Kim, Dong-Il "Dan" Cho, Taehyun Kim, Physical Review A 109, 043106 (2024).

Chiral display of pyrenes on a peptoid backbone: conformational homogeneity of peptoid controls excimer chirality, Jinyoung Oh, Yongmoon Lee, Gahee Noh, Dongcheol Park, Hohjai Lee, Junseong Lee, Changsoon Kim, Jiwon Seo, Small Structures 5, 2300396 (2024).

peptoid_small structures.png

Transfer-printing phosphorescent OLEDs: progress towards microdisplay applications, Sukgyun Cha, Changsoon Kim, Organic Electronics 122, 106891 (2023).

Rigorous optical modeling of circularly polarized light-emitting devices: interaction of emitters with device geometries, Yongmoon Lee, Hyungchae Kim, Changsoon Kim, ACS Photonics 10, 3283 (2023).

Fluidic self-assembly for MicroLED displays by controlled viscosity, Daewon Lee, Seongkyu Cho, Cheolheon Park, Kyung Ryoul Park, Jongcheon Lee, Jaewook Nam, Kwangguk Ahn, Changseo Park, Kiseong Jeon, Hwankuk Yuh, Wonseok Choi, Chung Hyun Lim, Taein Kwon, Young Hwan Min, Minho Joo, Yoon-Ho Choi, Jeong Soo Lee, Changsoon Kim, and Sunghoon Kwon, Nature 619, 755 (2023).

Chiroptical performances in self-assembled hierarchical nanosegregated chiral intermediate phases composed of two different achiral bent-core molecules, Jae-Jin Lee, Sangsub Kim, Hiroya Nishkawa, Yoichi Takanishi, Hiroshi Iwayama, Changsoon Kim, Suk-Won Choi , Fumito Araoka, International Journal of Molecular Sciences 23, 14629 (2022).

Jae-Jin Sangsub.png

Calculation of lateral optical energy flow in bound modes in organic light-emitting diodes, Jaegang Jo, Changsoon Kim, Organic Electronics 111, 106647 (2022).

Jaegang OLED.gif

Indium and tin doping of zinc oxide film by cation exchange and its application to low-temperature thin-film transistors, Sunghoon Han, Changik Im, Youn Sang Kim, Changsoon Kim, Advanced Materials Interfaces 9, 2200190 (2022).

cation exchange TFT.png

Large-scale, lightweight, and robust nanocomposites based on ruthenium-decorated carbon nanosheets for deformable electrochemical capacitors, Jong Han Jun, Yu-Ki Lee, Juhee Kim, Hyeonjun Song, Youngjin Jeong, Changsoon Kim, Ji-Hoon Lee, In-Suk Choi, ACS Applied Materials & Interfaces 14, 12193 (2022).

Micro-concentrator photovoltaics using fluidic self-assembly technology, Seongkyu Cho, Wonseok Choi, Sunghoon Han, Jonhoi Kim, Amos C Lee, Su Deok Kim, Seo Woo Song, Changsoon Kim, Daewoon Lee, Sunghoon Kwon, Advanced Materials Technologies 6, 2100312 (2021).

Bandwidth enhancement of graphene–organic hybrid photoconductors by accelerating electron transfer processes at graphene interface, Yongmoon Lee, Sukgyun Cha, Changsoon Kim, Advanced Materials Interfaces 8, 2100478 (2021).

이용문 graphene photodetector.png

Chiral polymer hosts for circularly polarized electroluminescence devices, Jayeon Hong, Sangsub Kim, Gyurim Park, Yongmoon Lee, Hyungchae Kim, Sungjin Kim, Tae-Woo Lee, Changsoon Kim, Youngmin You, Chemical Science 12, 8668 (2021).

홍자연 김상섭.png

Twist to boost: circumventing quantum yield and dissymmetry factor trade-off in circularly polarized luminescence, Sumin Lee, Yongmoon Lee, Kyungmin Kim, Seunga Heo, Dong Yeun Jeong, Sangsub Kim, Jaeheung Cho, Changsoon Kim, Youngmin You, Inorganic Chemistry 60, 7738 (2021).

chiral pt complex. circularly polarized OLED

Europium-DTPA loaded radioluminescence liposome nanoplatform for effective radioisotope-mediated photodynamic therapy, Wooseung Lee, Miyeon Jeon, Jinyeong Choi, Chiwoo Oh, Gaeun Kim, Seongmoon Jung, Changsoon Kim, Sung-Joon Ye, and Hyung-Jun Im, ACS Nano 14, 13004 (2020).

acs_nano_photodynamic therapy.png

Computational wrapping: a universal method to wrap 3D-curved surfaces with nonstretchable materials for conformal devices, Yu-Ki Lee, Zhonghua Xi, Young-Joo Lee, Yun-Hyeong Kim, Yue Hao, Hongjin Choi, Myoung-Gyu Lee, Young-Chang Joo, Changsoon Kim, Jyh-Ming Lien, and In-Suk Choi, Science Advances 6, eaax6212 (2020).

Transparent and flexible electrode composed of a graphene multilayer interlayer-doped by MoO3, Eunho Cho, Sukgyun Cha, Youngkwun Kim, and Changsoon Kim, Organic Electronics 77, 105437 (2020).

그래핀 전사공정 투명전극 MoOx

High-performance circular-polarization-sensitive organic photodetectors based on a chiral plasmonic nanocavity, Hyungchae Kim, Kyung Ryoul Park , and Changsoon Kim, Optics Express 28(2), 1805 (2020).

유기 카이랄 광검출기 | 서울대 유기전자 나노광학 연구실

Selective crack suppression during deformation in metal films on polymer substrates using electron beam irradiation, So-Yeon Lee, Kyung Roul Park, Sung-gyu Kang, Ji-Hoon Lee, Eun-chae Jeon, Cheol-Hwee Shim, Jae Pyong Ahn, Dong-Ik Kim, Heung Nam Han, Young-Chang Joo, Changsoon Kim, and In-Suk Choi, Nature Communications 10, 4454 (2019).

strain-responsive OLED | 서울대학교 유기전자 나노광학 연구실

Controlled enhancement in hole injection at gold nanoparticle-on-organic electrical contacts fabricated by spark-discharge aerosol technique, Jongcheon Lee, Hyungchae Kim, Kyuhee Han, Yongmoon Lee, Mansoo Choi, and Changsoon Kim, ACS Applied Materials & Interfaces 11, 6276 (2019).

spark discharge aerosol generation of gold nanoparticles, and its application to enhancement of charge injection in OLEDs. 금속 나노입자를 사용한 OLED 효율 향상

Amplified circularly polarized phosphorescence from co-assemblies of platinum(II) complexes, Gyurim Park, Hyungchae Kim, Hoichang Yang, Kyung Ryoul Park, Inho Song, Joon Hak Oh, Changsoon Kim, and Youngmin You, Chemical Science 10, 1294 (2019).

카이랄 Pt complex | 서울대학교 유기전자 나노광학 연구실

Amplified circularly polarized phosphorescence from co-assemblies of platinum(II) complexes. Cover image of Chemical Science

Poly(dimethylsiloxane) stamp coated with a low-surface-energy, diffusion-blocking, covalently bonded perfluoropolyether layer and its application to the fabrication of organic electronic devices by layer transfer, Sukgyun Cha and Changsoon Kim, ACS Applied Materials & Interfaces 10, 24003 (2018).

PFPE-coated PDMS stamp 전사공정

Eliminating the solvent-blocking requirement of interconnection layers in polymer tandem solar cells by thin-film transfer technique, Yoonseok Ka, Hyungchae Kim, Sunghoon Han, and Changsoon Kim, Nanoscale 10, 12588 (2018).

Eliminating the solvent-blocking requirement of interconnection layers in polymer tandem solar cells by thin-film transfer technique. 박막전사공정으로 제작된 고분자 탬덤태양전지

Multifunctional bilayer template for near-infrared-sensitive organic solar cells, Hyungchae Kim, Han Gyeol Park, Min-Jae Maeng, Yu Ri Kang, Kyung Ryoul Park, Junho Choi, Yongsup Park, Young Dong Kim, and Changsoon Kim, ACS Applied Materials & Interfaces 10, 16681 (2018).

Multifunctional bilayer template for near-infrared-sensitive organic solar cells. 분자 배열과 무질서도가 태양전지에서서의 전하생성에 미치는 영향

Carbon-nanosheet based large-area electrochemical capacitor that is flexible, foldable, twistable, and stretchable, Jong Han Jun, Hyeonjun Song, Changsoon Kim, In-Suk Choi, Youngjin Jeong, and Ji-Hoon Lee, Small 14, 1702145 (2018).

Carbon-nanosheet based large-area electrochemical capacitor that is flexible, foldable, twistable, and stretchable

Efficient planar-heterojunction perovskite solar cells fabricated by high-throughput sheath-gas-assisted electrospray, Sunghoon Han, Hyungchae Kim, Seojun Lee, and Changsoon Kim, ACS Applied Materials & Interfaces 10, 7281, (2018).

대면적 페로브스카이트 태양전지 정전분무 코팅기술

Hybrid organic tandem solar cell comprising small-molecule bottom and polymer:fullerene top subcells fabricated by thin-film transfer, Yoonseok Ka, Hyejin Hwang and Changsoon Kim, Scientific Reports 7, 1942, (2017).

Hybrid organic tandem solar cell comprising small-molecule bottom and polymer:fullerene top subcells fabricated by thin-film transfer. 박막전사공정을 사용한 유기탠덤태양전지 제작

Scattering of surface plasmon polaritons at a planar interface by an embedded dielectric nanocube, Seojun Lee, Hyungchae Kim, Jongcheon Lee and Changsoon Kim, Optics Express 8, 9105-9115 (2017).

Scattering of surface plasmon polaritons at a planar interface by an embedded dielectric nanocube. 금속 내부의 나노큐브에 의한 플라즈몬 산란

A dual-scale metal nanowire network transparent conductor for highly efficient and flexible organic light emitting diodes, Jinhwan Lee, Kunsik An, Phillip Won, Yoonseok Ka, Hyejin Hwang, Hyunjin Moon, Yongwon Kwon, Sukjoon Hong, Changsoon Kim, Changhee Lee, and Seung Hwan Ko, Nanoscale 9, 1978-1985 (2017).

dual-scale metal nanowire network transparent conductor for highly efficient and flexible organic light emitting diodes (OLEDs). 은나노선 투명전극을 갖는 OLED 제작.

Low-temperature, dry transfer-printing of a patterned graphene monolayer, Sugkyun Cha, Minjeong Cha, Seojun Lee, Jin Hyung Kang, and Changsoon Kim, Scientific Reports 5, 17877 (2015).

Low-temperature, dry transfer-printing of a patterned graphene monolayer. 전사공정에 의한 저온 건식 그래핀 패터닝

Multifunctional responsive fibers produced by dual liquid crystal core electrospinning, YooMee Kye, Changsoon Kim, and Jan Lagerwall, Journal of Materials Chemistry C 3, 8979 (2015).

Multifunctional responsive fibers produced by dual liquid crystal core electrospinning

Triple-junction hybrid tandem solar cells with amorphous silicon and polymer-fullerene blends, Tahee Kim, Hyeok Kim, Jinjoo Park, Hyungchae Kim, Youngwoon Yoon, Sung-Min Kim, Chonghoon Shin, Heesuk Jung, Inho Kim, Doo Seok Jeong, Honggon Kim, Jin Young Kim, BongSoo Kim, Min Jae Ko, Hae Jung Son, Changsoon Kim, Junsin Yi, Seunghee Han, and Doh-Kwon Lee, Scientific Reports 4, 7154 (2014).

Triple-junction hybrid tandem solar cells with amorphous silicon and polymer-fullerene blends. 탠덤태양전지의 광학적 모델링.

Design and numerical analysis of surface plasmon-enhanced fin Ge-Si light-emitting diode, Intae Jeong, Jooseong Kwon, Changsoon Kim, and Young June Park, Optics Express 22, 5927-5936 (2014).

Design and numerical analysis of surface plasmon-enhanced fin Ge-Si light-emitting diode. 플라즈몬을 활용한 Si-Ge LED

Controlled positioning of metal nanoparticles in an organic light-emitting device for enhanced quantum efficiency, Hyangki Sung, Jongcheon Lee, Kyuhee Han, Jong-Kwon Lee, Jooyoung Sung, Dongho Kim, Mansoo Choi, and Changsoon Kim, Organic Electronics 15, 491-499 (2014).

Controlled positioning of metal nanoparticles in an organic light-emitting device for enhanced quantum efficiency. 금속 나노입자를 내부에 삽입하여 OLED의 효율을 향상시킴

Effects of annealing temperature of aqueous solution-processed ZnO electron-selective layers on inverted polymer solar cells, Yoonseok Ka, Eungkyu Lee, Si Yun Park, Jaewon Seo, Dae-Gyeon Kwon, Hyun Hwi Lee, Yongsup Park, Youn Sang Kim, Changsoon Kim, Organic Electronics 14, 100-104 (2013).

Investigation of the convergence behavior with fluctuation features in the Fourier modal analysis of a metallic grating, Hwi Kim, Gwanwoo Park, and Changsoon Kim, Journal of the Optical Society of Korea 16 (3), 196-202 (2012).

Investigation of the convergence behavior with fluctuation features in the Fourier modal analysis of a metallic grating

Analysis and optimization of surface plasmon-enhanced organic solar cells with a metallic crossed grating electrode, Eungkyu Lee and Changsoon Kim, Optics Express 20 (S5), A740-A753 (2012).

Analysis and optimization of surface plasmon-enhanced organic solar cells with a metallic crossed grating electrode. 표면 플라즈몬을 활용하여 유기태양전지의 흡수효율을 향상시킴.

Nanofabrication techniques and their applications to terahertz science and technology, Changsoon Kim and Hwi Kim, in Convergence of Terahertz Sciences in Biomedical Systems, Springer (2012).

Polymer tandem photovoltaic cells with molecularly intimate interfaces achieved by a thin-film transfer technique, Eungkyu Lee, Jamin Kim, and Changsoon Kim, Solar Energy Materials & Solar Cells 105, 1-5 (2012).

Polymer tandem photovoltaic cells with molecularly intimate interfaces achieved by a thin-film transfer technique. 박막전사공정을 사용한 고분자 탬덤 태양전지의 제작

Selected publications prior to 2012

Integrated optical approach to trapped ion quantum computation, Jungsang Kim and Changsoon Kim, Quantum Information & Computation 9 (3&4), 0181-0202 (2009).

이온 트랩 양자컴퓨터 | 서울대학교 유기전자 나노광학 연구실

Organic photovoltaic cell in lateral-tandem configuration employing continuously-tuned microcavity sub-cells, Changsoon Kim and Jungsang Kim, Optics Express 16 (24), 19987-19994 (2008).

Organic photovoltaic cell in lateral-tandem configuration employing continuously-tuned microcavity sub-cells. 가로방향으로 배열된 subcell을 갖는 유기탠덤태야양전지 디자인

Design and characterization of MEMS micromirrors for ion-trap quantum computation, Changsoon Kim, Caleb Knoernschild, Bin Liu, and Jungsang Kim, IEEE Journal of Selected Topics in Quantum Electronics 13 (2), 322-329 (2007).

MEMS micromirros for ion trap quantum computer

Fabrication of organic light-emitting devices by low-pressure cold welding, Changsoon Kim and Stephen R. Forrest, Advanced Materials 15 (6), 541-545 (2003).

Fabrication of organic light-emitting devices by low-pressure cold welding. 낮은 압력에서의 cold welding을 활용한 인광 OLED의 제작

Micropatterning of organic electronic devices by cold-welding, Changsoon Kim, Paul E. Burrows, and Stephen R. Forrest, Science 288 (5467), 831-833 (2000).

Micropatterning of organic electronic devices by cold-welding. Cold welding을 사용한 OLED의 패터닝

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