1. Sunghoon Kim, Seokwoo Kang, Seungmin Baek, Jinouk Song, Na-Eun Mun, Hyukmin Kwon, Hyo-Geun Kwon, Yong-Jin Pu, Tae-Woo Lee, Seunghyup Yoo, Jong-Min Oh, Jongwook Park, Sang-Wook Kim, “Highly thin film with aerosol-deposited perovskite quantum dot/metal oxide composite for perfect color conversion and luminance enhancement”, Chemical Engineering Journal, 135991 (2022)

  2. Jee Hoon Sim, Hyeonwook Chae, Su-Bon Kim, Seunghyup Yoo, “Simple and practical methods for utilizing parylene C film based on vertical deposition and laser patterning”, Scientific Reports, 9506 (2022)

  3. Yong Cheon Park, Taehyun Kim, Hye Rin Shim, YoungWoo Choi, Seungbum Hong, Seunghyup Yoo, Sung Gap Im, “A Highly Bendable Thin Film Encapsulation by the Modulation of Thermally Induced Interfacial Residual Stress, Applied Surface Science, 153874 (2022)

  4. Seunghyup Yoo, Youngjin Song, Sangin Hahn, “Ultralong persistent luminescence from carbon dots”, Light: Science & Applications, 132 (2022)

  5. Youson Kim, Junmo Kim, Chan Young Kim, Taehyun Kim, Chungryeol Lee, Kihoon Jeong, Woosung Jo, Seunghyup Yoo, Taek-Soo Kim, Kyung Cheol Choi, Sung Gap Im, “A modulus-engineered multi-layer polymer film with mechanical robustness for the application to highly deformable substrate platform in stretchable electronics”, Chemical Engineering Journal, 134074 (2022)


  1. Nakul Jain, Ramakant Sharma, Suhas Mahesh, Dhanashree Moghe, Henry J Snaith, Seunghyup Yoo, Dinesh Kabra, “Role of Electronic States and Their Coupling on Radiative Losses of Open-Circuit Voltage in Organic Photovoltaics”, ACS Applied Materials & Interfaces, 13(50), 60279–60287 (2021)

  2. Jong-Heon Yang, Chun-Won Byun, Jae-Eun Pi, Hee-Ok Kim, Chi-Sun Hwang, Seunghyup Yoo, “Double-Gate and Body-Contacted Nonvolatile Oxide Memory Thin-Film Transistors for Fast Erase Programming”, IEEE Transactions on Electron Devices, 69(1), 120-126 (2021)

  3. Hyung Suk Kim, Ja Yeon Lee, Seongjun Shin, Wonkyo Jeong, Sang Hoon Lee, Seonghyeon Kim, Jihoon Lee, Min Chul Suh, Seunghyup Yoo, "Enhancement of Reverse Intersystem Crossing in Charge-Transfer Molecule through Internal Heavy Atom Effect", Advanced Functional Materials, 2104646 (2021)

  4. Hyeonwoo Lee, Woochan Lee, Hyunwoo Lee, Sungyeon Kim, Marco Vinicio Alban, Jinouk Song, Taehyun Kim, Seunghee Lee, Seunghyup Yoo, “Organic–Inorganic Hybrid Approach to Pulse Oximetry Sensors with Reliability and Low Power Consumption”, ACS Photonics 8(12), 3564-3572 (2021)

  5. Marco Vinicio Alban, Haechang Lee, Hanul Moon, Seunghyup Yoo , “Micromolding fabrication of biocompatible dry micro-pyramid array electrodes for wearable biopotential monitoring”, Flexible and Printed Electronics, 045008 (2021)

  6. Young Hoon Lee, Woochan Lee, Taehwan Lee, Donggyun Lee, Jaehoon Jung, Seunghyup Yoo, Min Hyung Lee, "Blue TADF Emitters Based on B-Heterotriangulene Acceptors for Highly Efficient OLEDs with Low Efficiency Roll-Off", ACS Applied Materials & Interfaces, 10.1021/acsami.1c10653 (2021)

  7. Donggyun Lee, Jaehyeok Park, Woochan Lee, Hyung Suk Kim, Seunghyup Yoo, "Realization of Flexible Ultraviolet Organic Light-Emitting Diodes: Key Design Issues", Advanced Photonics Research, 2100108 (2021)

  8. Hyunsu Cho, Jinouk Song, Jin-Wook Shin, Jaehyun Moon, Byoung-Hwa Kwon, Jeong-Ik Lee, Seunghyup Yoo, Nam Sung Cho, "Identification of a multi-stack structure of graphene electrodes doped layer-by-layer with benzimidazole and its implication for the design of optoelectronic devices", Optics Express 29 (15), 23131-23141 (2021)

  9. Minsu Park, Yangho Jeong, Hyung Suk Kim, Woochan Lee, Sang‐Hyeon Nam, Sukki Lee, Hyewon Yoon, Jin Kim, Seunghyup Yoo, Seokwoo Jeon, "Quenching‐Resistant Solid‐State Photoluminescence of Graphene Quantum Dots: Reduction of π-π Stacking by Surface Functionalization with POSS, PEG, and HAD", Advanced Functional Materials, 2102741 (2021)

  10. Jaeho Lee, Jinouk Song, Jaehyeok Park, Seunghyup Yoo, "Toward Ultra-Efficient OLEDs: Approaches Based on Low Refractive Index Materials", Advanced Optical Materials, 2002182 (2021)

  11. Yeonghoon Jin, Hyung Suk Kim, Junghoon Park, Seunghyup Yoo, Kyoungsik Yu, "Organic Sub-Bandgap Schottky Barrier Photodetectors with Near-Infrared Coherent Perfect Absorption", ACS Photonics, (2021) [Selected as an inner cover]

  12. Dae Keun Choi, Dong Hyun Kim, Chang Min Lee, Hassan Hafeez, Subrata Sarker, Jun Su Yang, Hyung Ju Chae, Geon-Woo Jeong, Dong Hyun Choi, Tae Wook Kim, Seunghyup Yoo, Jinouk Song, Boo Soo Ma, Taek-Soo Kim, Chul Hoon Kim, Hyun Jae Lee, Jae Woo Lee, Donghyun Kim, Tae-Sung Bae, Seung Min Yu, Yong-Cheol Kang, Juyun Park, Kyoung-Ho Kim, Muhammad Sujak, Myungkwan Song, Chang-Su Kim, Seung Yoon Ryu, "Highly efficient, heat dissipating, stretchable organic light-emitting diodes based on a MoO3/Au/MoO3 electrode with encapsulation", Nature Communications 12(1), 1-11 (2021)

  13. Do-Kyoung Lee, Yunseop Shin, Ho Jin Jang, Joo-Hong Lee, Keonwoo Park, Woochan Lee, Seunghyup Yoo, Jun Yeob Lee, Dongho Kim, Jin-Wook Lee, Nam-Gyu Park, "Nanocrystalline Polymorphic Energy Funnels for Efficient and Stable Perovskite Light-Emitting Diodes", ACS Energy Letters 6(5), 1821-1830 (2021)

  14. Young Hoon Lee, Donggyun Lee, Taehwan Lee, Junseung Lee, Jaehoon Jung, Seunghyup Yoo, Min Hyung Lee, "Impact of boryl acceptors in para-acridine-appended triarylboron emitters on blue thermally activated delayed fluorescence OLEDs", Dyes and Pigments 188, 109224 (2021)

  15. Young-Hoon Kim, Sungjin Kim, Arvin Kakekhani, Jinwoo Park, Jaehyeok Park, Yong-Hee Lee, Hengxing Xu, Satyawan Nagane, Robert B Wexler, Dong-Hyeok Kim, Seung Hyeon Jo, Laura Martínez-Sarti, Peng Tan, Aditya Sadhanala, Gyeong-Su Park, Young-Woon Kim, Bin Hu, Henk J Bolink, Seunghyup Yoo, Richard H Friend, Andrew M Rappe, Tae-Woo Lee, "Comprehensive defect suppression in perovskite nanocrystals for high-efficiency light-emitting diodes", Nature Photonics 15 (2), 148-155 (2021)


  1. Geon-Hui Lee, Hanul Moon, Hyemin Kim, Gae Hwang Lee, Woosung Kwon, Seunghyup Yoo, David Myung, Seok Hyun Yun, Zhenan Bao, Sei Kwang Hahn, "Multifunctional materials for implantable and wearable photonic healthcare devices", Nature Reviews Materials 5, 149-165 (2020) [full text]

  2. Jinouk Song, Hyeonwoo Lee, Eun Gyo Jeong, Kyung Cheol Choi, Seunghyup Yoo, "Organic Light‐Emitting Diodes: Pushing toward the Limits and Beyond", Advanced Materials, 1907539 (2020) [full text] [selected as a backside cover]

  3. Su-Hun Jeong, Jaehyeok Park, Tae-Hee Han, Fei Zhang, Kai Zhu, Joo Sung Kim, Min-Ho Park, Matthew O. Reese, Seunghyup Yoo, Tae-Woo Lee, "Characterizing the Efficiency of Perovskite Solar Cells and Light-Emitting Diodes", Joule 4 (6), 1206-1235 (2020) [full text]

  4. Minsu Park, Hyung Suk Kim, Hyewon Yoon, Jin Kim, Sukki Lee, Seunghyup Yoo, Seokwoo Jeon, "Controllable Singlet-Triplet Energy Splitting of Graphene Quantum Dots through Oxidation: From Phosphorescence to TADF", Advanced Materials, 202000936 (2020) [full text] [selected as a frontispiece]

  5. Sukyung Choi, Chan-mo Kang, Chun-Won Byun, Hyunsu Cho, Byoung-Hwa Kwon, Jun-Han Han, Jong-Heon Yang, Jin-Wook Shin, Chi-Sun Hwang, Nam Sung Cho, Kang Me Lee, Hee-Ok Kim, Eungjun Kim, Seunghyup Yoo, Hyunkoo Lee, "Thin-film transistor-driven vertically stacked full-color organic light-emitting diodes for high-resolution active-matrix displays", Nature Communications 11 (1), 2732 (2020)

  6. Gwangwoo Kim, Kyung Yeol Ma, Minsu Park, Minsu Kim, Jonghyuk Jeon, Jinouk Song, José Eduardo Barrios-Vargas, Yuta Sato, Yung-Chang Lin, Kazu Suenaga, Stephan Roche, Seunghyup Yoo, Byeong-Hyeok Sohn, Seokwoo Jeon, Hyeon Suk Shin, "Blue emission at atomically sharp 1D heterojunctions between graphene and h-BN", Nature Communications 11 (1), 5359 (2020)

  7. Soyeong Ahn, Tae-Hee Han, Kathleen Maleski, Jinouk Song, Young-Hoon Kim, Min-Ho Park, Huanyu Zhou, Seunghyup Yoo, Yury Gogotsi, Tae-Woo Lee, "A 2D Titanium Carbide MXene Flexible Electrode for High-Efficiency Light-Emitting Diodes", Advanced Materials, 2000919 (2020)

  8. Ramakant Sharma, Nakul Jain, Hyunwoo Lee, Dinesh Kabra, Seunghyup Yoo, "Comprehensive and Comparative Analysis of Photoinduced Charge Generation, Recombination Kinetics, and Energy Losses in Fullerene and Nonfullerene Acceptor-Based Organic Solar Cells", ACS Applied Materials & Interfaces, 12 (40), 45083-45091 (2020)

  9. Ajay Kumar, Woochan Lee, Taehwan Lee, Jaehoon Jung, Seunghyup Yoo, Min Hyung Lee, "Triarylboron-based TADF emitters with perfluoro substituents: high-efficiency OLEDs with a power efficiency over 100 lm W− 1", Journal of Materials Chemistry C 8, 4253-4263 (2020)

  10. Hamin Park, Dong Sik Oh, Khang June Lee, Dae Yool Jung, Seunghee Lee, Seunghyup Yoo, Sung-Yool Choi, "Flexible and Transparent Thin Film Transistor Based on 2D Materials for Active-Matrix Display", ACS Applied Materials & Interfaces, 12 (4), 4749-4754 (2020)

  11. Palanisamy Rajakannu, Hyung Suk Kim, Woochan Lee, Ajay Kumar, Min Hyung Lee, Seunghyup Yoo, "Naphthalene Benzimidazole Based Neutral Ir(III) Emitters for Deep Red Organic Light-Emitting Diodes", Inorganic Chemistry, 59 (17), 12461-12470 (2020)

  12. Taehyun Kim, Hyeonwoo Lee, Woosung Jo, Taek-Soo Kim, Seunghyup Yoo, "Realizing Stretchable OLEDs: A Hybrid Platform Based on Rigid Island Arrays on a Stress‐Relieving Bilayer Structure", Advanced Materials Technologies, 2000494 (2020) [selected as an inside back cover]

  13. Eungjun Kim, Jeonghyun Kwon, Cheolgyu Kim, Taek-Soo Kim, Kyung Cheol Choi, Seunghyup Yoo, "Design of ultrathin OLEDs having oxide-based transparent electrodes and encapsulation with sub-mm bending radius", Organic Electronics, 105704 (2020)

  14. Hyunwoo Lee, Ramakant Sharma, Jaewon Ha, Hyeonwoo Lee, Seunghyup Yoo, "Practically‐Viable Approach to Efficient and Reliable Semi‐Transparent Flexible Organic Solar Cells: Face‐Seal Encapsulation Embedded with Tailored Color‐Control Functionality", Advanced Energy & Sustainability Research, Accepted (2020)

  15. Ramakant Sharma, Hyunwoo Lee, Martin Seifrid, Vinay Gupta, Guillermo C Bazan, Seunghyup Yoo, "Performance enhancement of conjugated polymer-small molecule-non fullerene ternary organic solar cells by tuning recombination kinetics and molecular ordering", Solar Energy 201, 499-507 (2020)

  16. Hanif Mubarok, Woochan Lee, Taehwan Lee, Jaehoon Jung, Seunghyup Yoo, Min Hyung Lee, "Impact of Boron Acceptors on the TADF Properties of Ortho-Donor-Appended Triarylboron Emtters", Frontiers in Chemistry 8, 538 (2020)

  17. Hyewon Yoon, Hyung Suk Kim, Jungmo Kim, Minsu Park, Byunghoon Kim, Sukki Lee, Kisuk Kang, Seunghyup Yoo, Seokwoo Jeon, "Blue Graphene Quantum Dots with High Color Purity by Controlling Subdomain Formation for Light-Emitting Device", ACS Applied Nano Materials, 3, 6469-6477 (2020)

  18. Peter Bermel, Rebecca Saive, Klaus Jäger, Seunghyup Yoo, "Feature issue introduction: Optical Devices and Materials for Solar Energy and Solid-state Lighting (PVLED) 2019", Optics Express, 28 (11), 16027-16029 (2020)

  19. Chur-Hyun Shin, Gunel Huseynova, Eunhye Kim, Jonghee Lee, Seunghyup Yoo, Yoonseuk Choi, Jae-Hyun Lee, "Random Al2O3 nanoparticle-based polymer composite films as outcoupling layers for flexible organic light-emitting diodes", Optics Express, 28 (18), 26170-26179 (2020)

  20. Yong Suk Oh, Jaeho Lee, Dong Yun Choi, Hyunwoo Lee, K Kang, Seunghyup Yoo, Inkyu Park, Hyung Jin Sung, "Selective multi-nanosoldering for fabrication of advanced solution-processed micro/nanoscale metal grid structures", Scientific reports 10(1), 1-10 (2020)


  1. Sungyeon Kim, Hanul Moon, Hyukyun Kwon, Gilho Lee, Dahm Yu, Jungmin Choi, Jaehyeok Park, Sung Jin Kim, Seunghyup Yoo, "Organic Vapor‐Jet Printing with Reduced Heat Transfer for Fabrication of Flexible Organic Devices," Advanced Materials Technologies 4 (2), 1800332 (2019) [selected as a front cover]

  2. Hyung Suk Kim, Sang Hoon Lee, Ja Yeon Lee, Seunghyup Yoo, Min Chul Suh, "Mitigating the Trade-off between Triplet Harvesting and Roll-off by Opening a Dexter-Type Channel in OLEDs," The Journal of Physical Chemistry C 123 (30), 18283-18293 (2019) [selected as an inner cover]

  3. Changhun Yun, Joo Won Han, Moon Hee Kang, Yong Hyun Kim, Bongjun Kim, Seunghyup Yoo, "Effect of Laser-Induced Direct Micropatterning on Polymer Optoelectronic Devices," ACS applied materials & interfaces 11 (50), 47143-47152 (2019)

  4. Woon Hyung Cheong, Byungkook Oh, Se-Hee Kim, Jiuk Jang, Sangyoon Ji, Seunghee Lee, Jinwoo Cheon, Seunghyup Yoo, Sang-Young Lee, Jang-Ung Park, "Platform for wireless pressure sensing with built-in battery and instant visualizationm," Nano Energy 62, 230-238 (2019)

  5. Junhwan Choi, Jongsun Yoon, Min Ju Kim, Kwanyong Pak, Changhyeon Lee, Haechang Lee, Kihoon Jeong, Kyuwook Ihm, Seunghyup Yoo, Byung Jin Cho, Hyomin Lee, Sung Gap Im, "Spontaneous Generation of a Molecular Thin Hydrophobic Skin Layer on a Sub-20 nm, High-k Polymer Dielectric for Extremely Stable Organic Thin-Film Transistor Operation," ACS applied materials & interfaces 11 (32), 29113-29123 (2019)

  6. Jiuk Jang, Byungkook Oh, Subin Jo, Sunghee Park, Hyeon Seok An, Seunghee Lee, Woon Hyung Cheong, Seunghyup Yoo, Jang‐Ung Park, "Human‐Interactive, Active‐Matrix Displays for Visualization of Tactile Pressures," Advanced Materials Technologies 4 (7), 1900082 (2019)

  7. Min‐Ho Park, Jaehyeok Park, Jaeho Lee, Hyeon Seob So, Hobeom Kim, Su‐Hun Jeong, Tae‐Hee Han, Christoph Wolf, Hosun Lee, Seunghyup Yoo, Tae‐Woo Lee, "Efficient Perovskite Light‐Emitting Diodes Using Polycrystalline Core–Shell‐Mimicked Nanograins," Advanced Functional Materials 29 (22), 1902017 (2019)

  8. Hyunsu Cho, Jin Chung, Jinouk Song, Jaeho Lee, Hyunkoo Lee, Jonghee Lee, Jaehyun Moon, Seunghyup Yoo, Nam Sung Cho, "Importance of Purcell factor for optimizing structure of organic light-emitting diodes," Optics express 27 (8), 11057-11068 (2019)

  9. Hyunsu Cho, Jinouk Song, Byoung-Hwa Kwon, Sukyung Choi, Hyunkoo Lee, Chul Woong Joo, Seong-Deok Ahn, Seung-Youl Kang, Seunghyup Yoo, Jaehyun Moon, "Stabilizing color shift of tandem white organic light-emitting diodes," Journal of industrial and engineering chemistry 69, 414-421 (2019)

  10. Changhun Yun, Joo Won Han, Soyeon Kim, Dong Chan Lim, Hyunsu Jung, Seung-Hoon Lee, Jae-Won Jang, Seunghyup Yoo, Karl Leo, Yong Hyun Kim, "Generating semi-metallic conductivity in polymers by laser-driven nanostructural reorganization," Materials Horizons 6 (10), 2143-2151 (2019)


  1. Jinouk Song, Kwon-Hyeon Kim, Eunhye Kim, Chang-Ki Moon, Yun-Hi Kim, Jang-Joo Kim, Seunghyup Yoo, "Lensfree OLEDs with over 50% external quantum efficiency via external scattering and horizontally oriented emitters," Nature communications 9 (1), 3207 (2018) [full text]

  2. Hyeonwoo Lee, Eunhye Kim, Yongsu Lee, Hoyeon Kim, Jaeho Lee, Mincheol Kim, Hoi-Jun Yoo, Seunghyup Yoo, "Toward all-day wearable health monitoring: An ultralow-power, reflective organic pulse oximetry sensing patch," Science advances 4 (11), eaas9530 (2018) [full text]

  3. Minsu Park, Hyewon Yoon, Jaeho Lee, Jungmo Kim, Jinho Lee, Seong‐Eui Lee, Seunghyup Yoo, Seokwoo Jeon, "Efficient Solid‐State Photoluminescence of Graphene Quantum Dots Embedded in Boron Oxynitride for AC‐Electroluminescent Device," Advanced Materials 30 (38), 1802951 (2018)

  4. Sun Dal Kim, Byungyong Lee, Taejoon Byun, Im Sik Chung, Jongmin Park, Isaac Shin, Nam Young Ahn, Myungeun Seo, Yunho Lee, Yeonjoon Kim, Woo Youn Kim, Hyukyun Kwon, Hanul Moon, Seunghyup Yoo, Sang Youl Kim, "Poly (amide-imide) materials for transparent and flexible displays," Science advances 4 (10), eaau1956 (2018)

  5. Ji-Won Seo, Jong Hun Kim, Mincheol Kim, Seon-Mi Jin, Sang-Hoon Lee, Changsoon Cho, Eunji Lee, Seunghyup Yoo, Jeong Young Park, Jung-Yong Lee, "Columnar-Structured Low-Concentration Donor Molecules in Bulk Heterojunction Organic Solar Cells," ACS omega 3 (1), 929-936 (2018)

  6. So-Ra Shin, Hock Beng Lee, Won-Yong Jin, Keum-Jin Ko, Sunghee Park, Seunghyup Yoo, Jae-Wook Kang, "Improving light extraction of flexible OLEDs using a mechanically robust Ag mesh/ITO composite electrode and microlens array," Journal of Materials Chemistry C 6 (20), 5444-5452 (2018)

  7. Jong-Heon Yang, Ji Hun Choi, Sung Haeng Cho, Jae-Eun Pi, Hee-Ok Kim, Chi-Sun Hwang, Keechan Park, Seunghyup Yoo, "Highly Stable AlInZnSnO and InZnO Double-Layer Oxide Thin-Film Transistors With Mobility Over 50 cm2/V⋅s for High-Speed Operation," IEEE Electron Device Letters 39 (4), 508-511 (2018)

  8. Hyeonho Jeong, Hanul Moon, Han-Jung Kim, Min Yoon, Chang-Goo Park, Yong Suk Oh, Hyung Jin Sung, Dae-Geun Choi, Seunghyup Yoo, "Spontaneous Additive Nanopatterning from Solution Route Using Selective Wetting," ACS applied materials & interfaces 10 (31), 26501-26509 (2018)

  9. Young‐Woo Lim, O Eun Kwon, Seung‐Mo Kang, Hyunsu Cho, Jonghee Lee, Young‐Sam Park, Nam Sung Cho, Won‐Yong Jin, Jaeho Lee, Hyunhwan Lee, Jae‐Wook Kang, Seunghyup Yoo, Jaehyun Moon, Byeong‐Soo Bae, "Built‐In Haze Glass‐Fabric Reinforced Siloxane Hybrid Film for Efficient Organic Light‐Emitting Diodes (OLEDs)," Advanced Functional Materials 28 (33), 1802944 (2018)

  10. Young Hoon Lee, Sunghee Park, Jihun Oh, Seung‐Je Woo, Ajay Kumar, Jang‐Joo Kim, Jaehoon Jung, Seunghyup Yoo, Min Hyung Lee, "High‐Efficiency Sky Blue to Ultradeep Blue Thermally Activated Delayed Fluorescent Diodes Based on Ortho‐Carbazole‐Appended Triarylboron Emitters: Above 32% External Quantum Efficiency in Blue Devices," Advanced Optical Materials 6 (17), 1800385 (2018)

  11. Ramakant Sharma, Vinay Gupta, Hyunwoo Lee, Kunal Borse, Ram Datt, Chhavi Sharma, Mahesh Kumar, Seunghyup Yoo, Dipti Gupta, "Charge carrier dynamics in PffBT4T-2OD: PCBM organic solar cells," Organic Electronics 62, 441-447 (2018)


  1. Seungwon Lee, Hyejeong Seong, Sung Gap Im, Hanul Moon, Seunghyup Yoo, "Organic flash memory on various flexible substrates for foldable and disposable electronics", Nature Communications 8, 725 (2017) [full text]

  2. Hong‐Kyu Seo, Hobeom Kim, Jaeho Lee, Min‐Ho Park, Su‐Hun Jeong, Young‐Hoon Kim, Sung‐Joo Kwon, Tae‐Hee Han, Seunghyup Yoo, Tae‐Woo Lee, "Efficient flexible organic/inorganic hybrid perovskite light‐emitting diodes based on graphene anode", Advanced Materials 29, 1605587 (2017)

  3. Nguyen Van Nghia, Sunghee Park, Youngjoon An, Junseong Lee, Jaehoon Jung, Seunghyup Yoo, Min Hyung Lee, "Impact of the Number of o-carboranyl Ligands on the Photophysical and Electroluminescent Properties of Iridium (III) Cyclometalates", Journal of Materials Chemistry C 5, 3024-3034 (2017)

  4. Yongsu Lee, Hyeonwoo Lee, Jaeeun Jang, Jihee Lee, Minseo Kim, Jaehyuk Lee, Hyunki Kim, Seunghyup Yoo, Hoi-Jun Yoo, "Sticker-type hybrid photoplethysmogram monitoring system integrating CMOS IC with organic optical sensors", IEEE Journal on Emerging and Selected Topics in Circuits and Systems 7, 50-59 (2017)

  5. Young Hoon Lee, Sunghee Park, Jihun Oh, Jong Won Shin, Jaehoon Jung, Seunghyup Yoo, Min Hyung Lee, "Rigidity-induced delayed fluorescence by ortho donor-appended triarylboron compounds: record-high efficiency in pure blue fluorescent organic light-emitting diodes", ACS applied materials & interfaces 9, 24035-24042 (2017)

  6. Jaewon Ha, Hoyeon Kim, Hyunwoo Lee, Kyung-Geun Lim, Tae-Woo Lee, Seunghyup Yoo, "Device architecture for efficient, low-hysteresis flexible perovskite solar cells: Replacing TiO2 with C60 assisted by polyethylenimine ethoxylated interfacial layers", Solar Energy Materials and Solar Cells 161, 338-346 (2017)

  7. Ramakant Sharma, Hyunwoo Lee, Kunal Borse, Vinay Gupta, Amish G Joshi, Seunghyup Yoo, Dipti Gupta, "Ga-doped ZnO as an electron transport layer for PffBT4T-2OD: PC70BM organic solar cells", Organic Electronics 43, 207-213 (2017)

  8. Jungmin Choi, Sungyeon Kim, Hyukyun Kwon, Mincheol Kim, Hanul Moon, Jonghyuk Park, Seunghyup Yoo, "Organic vapor-jet-based route for solvent-free additive formation of oxide semiconductors", Organic Electronics 43, 235-239 (2017)

  9. Sunghee Park, Jong Tae Lim, Won-Yong Jin, Hyunkoo Lee, Byoung-Hwa Kwon, Nam Sung Cho, Jun-Han Han, Jae-Wook Kang, Seunghyup Yoo, Jeong-Ik Lee, "Efficient large-area transparent OLEDs based on a laminated top electrode with an embedded auxiliary mesh", ACS Photonics 4, 1114-1122 (2017)

  10. Hyunsu Cho, Eunhye Kim, Jaehyun Moon, Chul Woong Joo, Eungjun Kim, Seung Koo Park, Jonghee Lee, Byoung-Gon Yu, Jeong-Ik Lee, Seunghyup Yoo, Nam Sung Cho, "Organic wrinkles embedded in high-index medium as planar internal scattering structures for organic light-emitting diodes", Organic Electronics 46, 139-144 (2017)

  11. Su-Hun Jeong, Seong-Hoon Woo, Tae-Hee Han, Min-Ho Park, Himchan Cho, Young-Hoon Kim, Hyunsu Cho, Hobeom Kim, Seunghyup Yoo, Tae-Woo Lee, "Universal high work function flexible anode for simplified ITO-free organic and perovskite light-emitting diodes with ultra-high efficiency", NPG Asia Materials 9, e411 (2017)

  12. Eunhye Kim, Jin Chung, Jaeho Lee, Hyunsu Cho, Nam Sung Cho, Seunghyup Yoo, "A systematic approach to reducing angular color shift in cavity-based organic light-emitting diodes", Organic Electronics 48, 348 -356 (2017)

  13. Yong Suk Oh, Hyesun Choi, Jaeho Lee, Hyunwoo Lee, Dong Yun Choi, Sung-Uk Lee, Kyeong-Soo Yun, Seunghyup Yoo, Taek-Soo Kim, Inkyu Park, Hyung Jin Sung, "Temperature-controlled direct imprinting of Ag ionic ink: Flexible metal grid transparent conductors with enhanced electromechanical durability", Scientific reports 7, 11220 (2017)

  14. Bong Jun Kim, Donggeon Han, Seunghyup Yoo, Sung Gap Im, "Organic/inorganic multilayer thin film encapsulation via initiated chemical vapor deposition and atomic layer deposition for its application to organic solar cells", Korean Journal of Chemical Engineering 34, 892-897 (2017)

2016 ​

  1. Jaeho Lee, Tae-Hee Han, Min-Ho Park, Dae Yool Jung, Jeongmin Seo, Hong-Kyu Seo, Hyunsu Cho, Eunhye Kim, Jin Chung, Sung-Yool Choi, Taek-Soo Kim, Tae-Woo Lee, Seunghyup Yoo, “Synergetic electrode architecture for efficient graphene-based flexible organic light-emitting diodes,” Nature Communications 7, 11791 (2016) [full text]

  2. Hoyeon Kim, Hui‐Seon Kim, Jaewon Ha, Nam‐Gyu Park, Seunghyup Yoo, “Empowering Semi‐Transparent Solar Cells with Thermal‐Mirror Functionality,” Advanced Energy Materials, Available Online (DOI: 10.1002/aenm.201502466) (4. 2016) [selected as a front cover]

  3. Mincheol Kim, Hyejeong Seong, Seungwon Lee, Hyukyun Kwon, Sung Gap Im, Hanul Moon, Seunghyup Yoo, "Efficient organic photomemory with photography-ready programming speed," Scientific Reports 6, 30536 (7. 2016) [full text]

  4. Hyukyun Kwon, Mincheol Kim, Hyunsu Cho, Hanul Moon, Jongjin Lee, Seunghyup Yoo, "Toward High‐Output Organic Vertical Field Effect Transistors: Key Design Parameters," Adv. Funct. Mater., 26(38), 6888-6895 (DOI:10.1002/adfm.201601956) (2016)

  5. Hyejeong Seong, Junhwan Choi, Byung Chul Jang, Mincheol Kim, Seunghyup Yoo, Sung‐Yool Choi, Sung Gap Im, “A Low‐Voltage Organic Complementary Inverter with High Operation Stability and Flexibility Using an Ultrathin iCVD Polymer Dielectric and a Hybrid Encapsulation Layer,” Advanced Electronic Materials, 2(5), 1500385 (DOI: 10.1002/aelm.201500385) (2016)

  6. Seunghyup Yoo, Alexander Sprafke, Wojciech Lipiński, Jianguo Liu, “Feature issue introduction: light, energy and the environment, 2015,” Optics Express 24 (10), A981-A984 (2016)

  7. Yong Suk Oh, Hyunwoo Lee, Dong Yun Choi, Sung-Uk Lee, Hojin Kim, Seunghyup Yoo, Inkyu Park, Hyung Jin Sung, “High-Performance, Solution-Processed, Embedded Multiscale Metallic Transparent Conductors,” ACS applied materials & interfaces 8 (17), 10937-10945 (2016)

  8. Jae-Jun Kim, Jaeho Lee, Sung-Pyo Yang, Ha Gon Kim, Hee-Seok Kweon, Seunghyup Yoo, Ki-Hun Jeong, “Biologically Inspired Organic Light-Emitting Diodes,” Nano letters 16 (5), 2994-3000 (2016)

  9. Ramakant Sharma, Hyunwoo Lee, Vinay Gupta, Hoyeon Kim, Mahesh Kumar, Chhavi Sharma, Suresh Chand, Seunghyup Yoo, and Dipti Gupta, “Photo-physics of PTB7, PCBM and ICBA based ternary solar cells,” Organic Electronics 34, 111-117 (2016)

  10. Byoung-Kuk Kang, Hyunsu Cho, Jun-Han Han, Jin-Wook Shin, Jinouk Song, Seung Koo Park, Jonghee Lee, Chul Woong Joo, Eunhye Kim, Seunghyup Yoo, Jeong-Ik Lee, Byeong-Kwon Ju, Jaehyun Moon, “Area-selective external light extraction for metal bus equipped large area transparent organic light-emitting diodes,” Optics Express 24 (5), 5356-5365 (3. 2016)

  11. Keunsoo Lee, Jonghee Lee, Eunhye Kim, Jeong-Ik Lee, Doo-Hee Cho, Jong Tae Lim, Chul Woong Joo, Joo Yeon Kim, Seunghyup Yoo, Byeong-Kwon Ju, Jaehyun Moon, “Simultaneously enhanced device efficiency, stabilized chromaticity of organic light emitting diodes with lambertian emission characteristic by random convex lenses,” Nanotechnology 27(7), 075202 (1. 2016)

  12. Yejin Kim, Sunghee Park, Young Hoon Lee, Jaehoon Jung, Seunghyup Yoo, Min Hyung Lee, “Homoleptic Tris-Cyclometalated Iridium Complexes with Substituted o-Carboranes: Green Phosphorescent Emitters for Highly Efficient Solution-Processed Organic Light-Emitting Diodes,” Inorganic chemistry 55 (2), 909-917 (1. 2016)

  13. Jieung Baek, Junseok Lee, Munkyu Joo, Donggeon Han, Houngkyung Kim, Hyejeong Seong, Jinsup Lee, Jihan Kim, Seunghyup Yoo, Seokwoo Jeon, Sung Gap Im, “Tuning the electrode work function via a vapor-phase deposited ultrathin polymer film,” Journal of Materials Chemistry C, 4(4), 831-839 (2016)

  14. Hyeonho Jeong, Junghyung Lee, Cheolkyu Bok, Seok-Hee Lee, Seunghyup Yoo, "Fabrication of vertical silicon nanotube array using spacer patterning technique and metal-assisted chemical etching", IEEE Transactions on Nanotechnology 16 (1), 130-134 (2016)


  1. Hanul Moon, Hyejeong Seong, Woo Cheol Shin, Won-Tae Park, Mincheol Kim, Seungwon Lee, Jae Hoon Bong, Yong-Young Noh, Byung Jin Cho*, Seunghyup Yoo* & Sung Gap Im*, “Synthesis of ultrathin polymer insulating layer by initiated chemical vapor deposition for low-power soft electronics,” Nature Materials 14 (6), 628-635 (2015, Mar),  (

  2. Eunhye Kim, Hyunsu Cho, Kyoohyun Kim, Tae‐Wook Koh, Jin Chung, Jonghee Lee, YongKeun Park, Seunghyup Yoo*, "A Facile Route to Efficient, Low‐Cost Flexible Organic Light‐Emitting Diodes: Utilizing the High Refractive Index and Built‐In Scattering Properties of Industrial‐Grade PEN Substrates,” Adv. Mater. 27, 1624-1631 (2015, March)  (

  3. Donggeon Han, Hyunwoo Lee, Seonju Jeong, Jongjin Lee, Jung-Yong Lee, Seunghyup Yoo, "Stability enhancement of normal-geometry organic solar cells in a highly damp condition: A study on the effect of top electrodes," Org. Electron. 25, 31-36 (2015, October) (

  4. Soohyun Lee, Tae Eui Kang, Donggeon Han, Hoyeon Kim, Bumjoon J Kim, Jongjin Lee, Seunghyup Yoo*,” Polymer/small-molecule parallel tandem organic solar cells based on MoOx–Ag–MoOx intermediate electrodes,” Sol. Ener. Mater. and Sol. Cells  137, 34-43 (2015, June) (

  5. Jonghee Lee, Tae-Wook Koh, Hyunsu Cho, Tobias Schwab, Jae-Hyun Lee, Simone Hofmann, Jeong-Ik Lee, Seunghyup Yoo, Karl Leo, Malte C Gather, "Transparent organic light-emitting diodes with different bi-directional emission colors using color-conversion capping layers," J. Luminescence 162, 180–184 (2015, June) (

  6. Jonghee Lee, Tae-Wook Koh, Hyunsu Cho, Simone Hofmann, Sebastian Reineke, Jae-Hyun Lee, Jeong-Ik Lee, Seunghyup Yoo, Karl Leo, Malte C Gather, "Color temperature tuning of white organic light-emitting diodes via spatial control of micro-cavity effects based on thin metal strips," Org. Electron. 26, 334-339 (2015, Nov.) (

  7. Jaehyun Moon, Eunhye Kim, Seung Koo Park, Keunsoo Lee, Jin-Wook Shin, Doo-Hee Cho, Jonghee Lee, Chul Woong Joo, Nam Sung Cho, Jun-Han Han, Byoung-Gon Yu, Seunghyup Yoo, Jeong-Ik Lee, "Organic wrinkles for energy efficient organic light emitting diodes," Org. Electron. 26, 273-278 (2015, Nov.) (

  8. Hyunsu Cho, Jin Chung, Jaeho Lee, Eunhye Kim, Seunghyup Yoo*, "Dual optical role of low-index injection layers for efficient polarizer-free high contrast-ratio organic light-emitting diodes," Optics Exp. 23(8), 10259-10265 (2015, Apr.) (

  9. Tae Eui Kang, Taesu Kim, Cheng Wang, Seunghyup Yoo, Bumjoon J Kim*, "Poly (benzodithiophene) Homopolymer for High Performance Pol-ymer Solar Cells with Open-Circuit Voltage of Near 1V: A Superior Candidate to Substitute for Poly (3-hexylthiophene) as Wide Bandgap Polymer," Chem. Mater. 27 (7), 2653–2658 (2015)  (

  10. Dong Yun Choi, Yong Suk Oh, Donggeon Han, Seunghyup Yoo, Hyung Jin Sung, Sang Soo Kim, "Highly Conductive, Bendable, Embedded Ag Nanoparticle Wire Arrays Via Convective Self‐Assembly: Hybridization into Ag Nanowire Transparent Conductors," Adv. Funct. Mater. 25 (25), 3888-3898 (2015, July) (



  1. Hanul Moon, Hyunsu Cho, Mincheol Kim, Kazuo Takimiya, Seunghyup Yoo, "Towards Colorless Transparent Organic Transistors: Potential of Benzothieno[3,2-b]benzothiophene based Wide-gap Semiconductors", ADVANCED MATERIALS, 26,3105-3110 (2014) [Selected as Inner Backside Cover] ; DOI(

  2. Sung Ho Song, Min-Ho Jang, Jin Chung, Sung Hawn Jin, Bo Hyun Kim, Seung-Hyun Hur, Seunghyup Yoo*, Yong-Hoon Cho*, and Seokwoo Jeon*, "Highly Efficient Light-Emitting Diode of Graphene Quantum Dots Fabricated from Graphite Intercalation Compounds", Adv. Opt. Mater. 2 (11), 1016-1023 (2014) (selected as a front cover article; selected as “the best of Adv. Opt, Mater. 2014”); DOI(

  3. Changyeon Lee, Dong Jin Kang, Hyunbum Kang, Taesu Kim, Junwoo Park, Jaeho Lee, Seunghyup Yoo, Bumjoon J Kim*, “Simultaneously Enhancing Light Extraction and Device Stability of Organic Light‐Emitting Diodes using a Corrugated Polymer Nanosphere Templated PEDOT: PSS Layer,” Adv. Energy Mater. 4(8) 1301345 (2014) (selected as inside front cover article.) DOI(

  4. Donggeon Han, Seunghyup Yoo "The stability of normal vs. inverted organic solar cells under highly damp conditions: Comparison with the same interfacial layers", Solar Energy Materials and Solar Cells, Vol.128, pp 41–47, 2014; DOI(

  5. H.I. Kim, Seunghyup Yoo, J.M. Cho, S.K. Lee, Jae-Ryong Kim, S.J. Moon, J.-C. Lee, W.S. Shin, "Effects of Hole and Electron Transporting Interlayers for Inverted Polymer Solar Cells", JOURNAL OF NANOSCI. AND NANOTECH., 14 (8), 6028-6032 (2014 Aug.); DOI(

  6. I.H. Jung, H.Y. Woo, B.J. Jung, H Kim, Seunghyup Yoo, W. Lee, Hong Ku Shim, "Synthesis and Characterization of an Anthracene-Based Low Band Gap Polymer for Photovoltaic Devices", J. OF NANOSCIENCE AND NANOTECHNOLOGY, vol.8 no.14, pp.6422-6426, 2014.08 ; DOI(

  7. M Hong, MH Park, MH Lee, M Eo, Youngkyu Do, D Han, Seunghyup Yoo, "Polynorbornenes with pendant PCBM as an acceptor for OPVs: Ring-opening metathesis versus vinyl-addition polymerization", EUROPEAN POLYMER JOURNAL, vol.51pp.37-44, 2014.02; DOI(

  8. Hoyeon Kim, S Lee, D Han,  Seunghyup Yoo "High-density organic photovoltaic modules: Mask-free fabrication using nozzle jet printing and oblique deposition", SOLAR ENERGY MATERIALS AND SOLAR CELLS, vol.120, pp.561-565, 2014.01; DOI(

  9. Hye Jin Bae, Jin Chung, Hyungjun Kim, Jihyun Park, Kang Mun Lee, Tae-Wook Koh, Yoon Sup Lee, Seunghyup Yoo, Youngkyu Do, Min Hyung Lee, "Deep Red Phosphorescence of Cyclometalated Iridium Complexes by o-Carborane Substitution", INORGANIC CHEMISTRY, vol.53, no.1, pp.128-138, 2014.01; DOI(

  10. Maengsun Eo, Donggeon Han, Myung Hwan Park, Minsaeng Hong, Youngkyu Do*, Seunghyup Yoo*, Min Hyung Lee*, "Polynorbornenes with pendant PCBM as an acceptor for OPVs: Ring-opening metathesis versus vinyl-addition polymerization", European Polymer J. 51, 37-44 (2014); DOI(

  11. Hyunsu Cho, Chung Jin, Eunhye Kim, Seunghyup Yoo*, “Polarizer-free, high-contrast-ratio organic light-emitting diodes utilizing microcavity structures and neutral-density filters,” J. Information Display, 15(4), 195-199 (2014) [Non-SCI]



  1. Seungwon Lee, H Lee, M Kim, H Moon, Y Park, Seung Hwan Ko, Seunghyup Yoo, J Lee, J Seo, YJ Yuk, JeongYoung Park, "Overcoming the "retention vs. voltage'' trade-off in nonvolatile organic memory: Ag nanoparticles covered with dipolar self-assembled monolayers as robust charge storage nodes", ORGANIC ELECTRONICS, vol.14 no.12, pp.3260-3266, 2013.12 ; DOI(

  2. Tae-Wook Koh, YH Kim, MC Gather, J Lee, H Cho, S Hofmann, JH Lee, JI Lee, K Leo, C Yun, B Lussem, "Enhanced and balanced efficiency of white bidirectional organic light-emitting diodes", OPTICS EXPRESS, vol.21 no.23, pp.28040-28047, 2013.11 ; DOI(

  3. Jonghee Lee, S Hofmann, B Luessem, HW Chang, MC Gather, Seunghyup Yoo, CC Wu, K Leo, TW Koh, "Bi-directional organic light-emitting diodes with nanoparticle-enhanced light outcoupling", LASER & PHOTONICS REVIEWS, vol.7 no.6, pp.1079-1087, 2013.11 ; DOI(

  4. Jonghee Lee*, Hyunsu Cho, Tae-Wook Koh, Simone Hofmann, Yong Hyun Kim, Changhun Yun, Tobias Schwab, Sebastian Reineke, Björn Lüssem, Jeong-Ik Lee, Seunghyup Yoo*, Karl Leo, Malte C. Gather,  "Straight-forward control of the degree of micro-cavity effects in organic light-emitting diodes based on a thin striped metal layer", ORGANIC ELECTRONICS, vol.14 no.10, pp.2444-2450, 2013.10 ; DOI(

  5. CS Choi, DY Kim, SM Lee, Kyung Cheol Choi, TW Koh, H Cho, Seunghyup Yoo, MS Lim, "Blur-Free Outcoupling Enhancement in Transparent Organic Light Emitting Diodes: A Nanostructure Extracting Surface Plasmon Modes", ADVANCED OPTICAL MATERIALS, vol.1 no.10, pp.687-691, 2013.10 ; DOI(

  6. H Moon, D Im, Seunghyup Yoo, "Controlling the Threshold Voltage of Organic Thin-Film Transistors by Transition Metal Oxides", IEEE ELECTRON DEVICE LETTERS, vol.34 no.8, pp.1014-1016, 2013.08 ; DOI(

  7. C Cho, H Kim, S Jeong, SW Baek, JW Seo, D Han, K Kim, YongKeun Park, Seunghyup Yoo, Jung-Yong Lee, "Random and V-groove texturing for efficient light trapping in organic photovoltaic cells", SOLAR ENERGY MATERIALS AND SOLAR CELLS, vol.115pp.36-41, 2013.08 ; DOI(

  8. S Lee, H Kim, D Han, S Jeong, Seunghyup Yoo, "Cathodic multilayer transparent electrodes for ITO-free inverted organic solar cells", ORGANIC ELECTRONICS, vol.14 no.6, pp.1477-1482, 2013.06 ; DOI(

  9. HI Park, DukYoung Jeon, MG Kim, JS Park, BH Kwon, H Kim, Seunghyup Yoo, Sang Ouk Kim, JM Lee, ES Kim, "Exciton Dissociation and Charge-Transport Enhancement in Organic Solar Cells with Quantum-Dot/N-doped CNT Hybrid Nanomaterials", ADVANCED MATERIALS, vol.25 no.14, pp.2011-2017, 2013.04 ; DOI(

  10. J Yeon, TW Koh, H Cho, Seunghyup Yoo, Jun-Bo Yoon, J Chung, "Actively transparent display with enhanced legibility based on an organic light-emitting diode and a cholesteric liquid crystal blind panel", OPTICS EXPRESS, vol.21 no.8, pp.10358-10366, 2013.04 ; DOI(

  11. JH Park, SH Park, Youngkyu Do, M Eo, TW Koh, J Chung, Seunghyup Yoo, MH Lee, "Polynorbornene Copolymer with Side-Chain Iridium(III) Emitters and Carbazole Hosts: A Single Emissive Layer Material for Highly Efficient Electrophosphorescent Devices", MACROMOLECULES, vol.46 no.3, pp.674-682, 2013.02 ; DOI(


  1. Tae-Wook Koh , Hyunsu Cho, Changhun Yun, Seunghyup Yoo,* “ITO-free down-conversion white organic light-emitting diodes with structured color conversion layers for enhanced optical efficiency and color rendering,” Org. Electron. 13 (12), 3145-3153 (2012).

  2. Changhun Yun, Jungmin Choi, Hyun Wook Kang, Mincheol Kim, Hanul Moon, Hyung Jin Sung, and Seunghyup Yoo,* “Digital-mode organic vapor-jet printing (D-OVJP): advanced jet-on-demand control of organic thin-film deposition,” Adv. Mater. 24 (21), 2857-2861 (2012)

  3. Jungmin Choi, Tae-Wook Koh, Soohyun Lee, and Seunghyup Yoo,* “Enhanced light extraction in organic light-emitting devices: using conductive low-index layers and micropatterned indium tin oxide electrodes with optimal taper angle,” App. Phys. Lett. 100, 233303 (2012)

  4. Jun Ha Park, Tae-Wook Koh, Youngkyu Do,* Min Hyung Lee,* Seunghyup Yoo,* “Soluble polynorbornenes with pendant carbazole derivatives as host materials for highly efficient blue phosphorescent organic light-emitting diodes,” J. Pol. Sci. Part A: Pol. Chem. 50 (12), 2356-2365 (2012, June 15) [selected as an inner cover article]

  5. Sooyeon Lim, Donggeon Han, Hoyeon Kim, Soohyun Lee, and Seunghyup Yoo,* “Cu-based multilayer transparent electrodes: A low-cost alternative to ITO electrodes in organic solar cells,” Sol. Ener. Mater. & Sol. Cells 101 , 170-175

  6. Maengsun Eo, Soohyun Lee, Myung Hwan Park, Min Hyung Lee,* Seunghyup Yoo,* Youngkyu Do, “Vinyl-Type Polynorbornenes with Pendant PCBM: A Novel Acceptor for Organic Solar Cells,” Macromol. Rap. Comm. 33(13) 1119-1125 (2012 July 13)

  7. J. O. Hwang, J. S. Park, D. S. Choi, J. Y. Kim, S. H. Lee, K. E. Lee, Y.-H. Kim, M. H. Song, S. Yoo, and Sang Ouk Kim,* “Workfunction-tunable, N-doped reduced graphene transparent electrodes for high-performance polymer light-emitting diodes,” ACS Nano 6 (1), 159-167 (Jan-24-2012)

  8. Hyunsu Cho and Seunghyup Yoo,* “Polarizer-free, high-contrast inverted top-emitting organic light emitting diodes: effect of the electrode structure," Optics Express 20(2), 1816-1824 (Jan-16-2012)

  9. C. Yun, H. Cho, T.-W. Koh, J.–H. Kim, J. W. Kim, Y. Park, and S. Yoo,* “Doping-free inverted top-emitting organic light-emitting diodes with high power efficiency and near-ideal emission characteristics,” IEEE Transaction on Elec. Dev. 59(1), 159-166 (Jan-2012)

  10. J. Jung, J. J. Lee, B. S. Bae,* S. J. Park, S. Yoo, and K. Jung, “Silica nanoparticle-embedded sol-gel organic/inorganic hybrid nanocomposite for transparent OLED encapsulation," Org. Electron. 13 (1) 53-57 (Jan-2012)

  11. H. W. Kang, C. Yun, S. Yoo, S. H. Ko, and H. J. Sung,* “Effect of carrier gas temperature on pentacene thin film formation by organic vapor-jet printing techniques," Thermochimica Acta 542, 74-79 (2012)

  12. C.J. Kim, S. J. Choi, J. H. Ahn, J. W. Han, H. Kim, S. Yoo, and Y.-K. Choi,* “Photoactive memory by a Si-nanowire field-effect transistor," ACS Nano 6 (2), 1449-1454 (2012)

  13. J. S. Kim, Seungwon Lee, Y. H. Hwang, Y. Kim, S. Yoo, and B. S. Bae,* “Photo-curable sol-gel hybrid film as a dielectric layer by a thiol-ene reaction in air or N2 for organic thin film transistors," Electrochem. and Sol. Sta. Lett. 15(5), G13-G15 (2012)

  14. J. S. Park, J. M. Lee, S. K. Hwang, S. H. Lee, H.-J. Lee, B. R. Lee, H. I. Park, J.-S. Kim, S. Yoo, M. H. Song, and S. O. Kim,* “A ZnO/N-doped carbon nanotube nanocomposite charge transport layer for high performance organic electronics,” J. Mater. Chem. 22, 12695-12700 (2012)



  1. Dongmo Im, Hanul Moon, Minchul Shin, Joungho Kim, and Seunghyup Yoo,* “Towards gigahertz operation: ultrafast low turn-on organic diodes and rectifiers based on C60 and tungsten oxide,” Adv. Mater. 23 (5), 644-648 (Feb-1-2011) [DOI: 10.1002/adma.201002246]

  2. Ju Min Lee , Ji Sun Park , Sun Hwa Lee , Hoyeon Kim , Seunghyup Yoo,* and Sang Ouk Kim,* “Selective Electron- or Hole-Transport Enhancement in Bulk-Heterojunction Organic Solar Cells with N- or B-Doped Carbon Nanotubes,” Adv. Mater. 23 (5), 629-633 (Feb-1-2011)

  3. H. Cho, J. Choi, and S. Yoo,* “Highly transparent organic light-emitting diodes with a metallic top electrode: the dual role of a Cs2CO3 layer,” Optics Express 19(2), 1131-1121 (Jan-17-2011)

  4. H. Moon, M. Kim, S. Yoo,* “Bilayer source/drain electrodes self-aligned with fluoropolymer dielectrics for stable high-performance organic TFTs,” IEEE Elec. Dev. Lett. 32 (8) 1137-1139 (Aug. 2011)

  5. C. Yun, M. Kim, S. W. Lee, H. Moon, S. Park, J. B. Koo, J. W. Kim, I.-K. You, and S. Yoo*, “High-performance pentacene thin-film transistors fabricated by printing technology,” IEEE Elec. Dev. Lett. 32 (10) 1454-1456 (Oct. 2011)

  6. S. Park, K. Jung, C. Yun, H. Cho, B.-S. Bae,* and S.Yoo,* “Improved lifetime of highly flexible OLEDs based on multilayered transparent electrodes with enhanced barrier performance,” J. Soc. Inf. Display 19 (9) 597-601 (Sep. 2011)

  7. Yong Son , Junyeob Yeo , Hanul Moon , Tae Woo Lim , Sukjoon Hong , Koo Hyun Nam , Seunghyup Yoo , Costas P. Grigoropoulos , Dong-Yol Yang,* and Seung Hwan Ko,* “Nanoscale electronics: Digital fabrication by direct femtosecond laser processing of metal nanoparticles,” Adv. Mater. 23 (28), 3176-3181 (Jul. 2011)

  8. Kim, C.-J., Choi, S.-J., Kim, S., Han, J.-W., Kim,H., Yoo, S., Choi, Y.-K,* “Photoinduced memory with hybrid integration of anorganic fullerene derivative and an inorganic nanogap-embedded field-effect transistor for low-voltage operation,” Adv. Mater. 23 (29) 3326-3331 (Aug-02-2011)

  9. Lee, H.M. , Moon, H., Kim, H.-S., Kim, Y.N., Choi, S.-M., Yoo, S., Cho, S.O,* “Abrupt heating-induced high-qualitycrystalline rubrene thin films for organic thin-film transistors,” Org. Electron. 12 (8) 1446-1453 (Aug 2011)

  10. D.Gupta,* S. Yoo, C. Lee, and Y. Hong, “Electrical-stress-induced thresholdvoltage instability in solution-processed ZnO thin-film transistors: An experimental and simulation study,” IEEE Trans. Elec. Dev. 58 (7) 1995-2002 (Jul. 2011)

  11. S.-H. Han,* S. Yoo, B. Kippelen, and D. Levi, “Precise determination of optical properties of pentacene thin films grown on various substrates: Gauss-Lorentz model with effective medium approach,” Appl. Phys. B 104(1) 139-144 (Feb-18-2011)

  12. J. H. Park, C. Yun, T.-W. Koh, Y. Do,* S. Yoo,* and M.H. Lee,* “Vinyl-type polynorbornene with 9,9’-(1,1’-biphenyl)-4,4’-diylbis-9H-carbazole side groups as a host material for highly efficient green phosphorescent organic light-emitting diodes,” J. Mater. Chem., 21 (14), 5422-5429 (Apr-14-2011)

  13. S. J. Baik*, K. Kim, K. S. Lim, S. Jung, Y.-C. Park, D.G. Han, S. Lim, S. Yoo, and S. Jeong,* “Low-Temperature Annealing for Highly Conductive Lead Chalcogenide Quantum Dot Solids,” J. Phys. Chem. C 115, 607-612 (Jan-27-2011)

  14. KyungHo Jung, Jun-Young Bae, Soo Jin Park, Seunghyup Yoo and Byeong-Soo Bae*, “High performance organic-inorganic hybrid barrier coating for encapsulation of OLEDs,” J. Mater. Chem., 21 (6), 1977-1983 (Feb-14-2011)

  15. K. Hong, K. Kim, S. Kim, I. Lee, H. Cho, S. Yoo, H. W. Choi, N.-Y. Lee, Y.-H. Tak, J.-L. Lee, “Optical properties of WO3/Ag/WO3 multilayer as transparent electrodes in top-emitting organic light emitting diodes,” J. Phys. Chem. C, 115 (8), 3453-3459 (Mar-3-2011)

  16. Jae-Ryoung Kim, Jung Min Cho, A-Rum Lee, Eun Ah Chae, Jin-Uk Park, Won-Bae Byun, Sang Kyu Lee, Jong-Cheol Lee, Won-Wook So, Seunghyup Yoo, Sang-Jin Moon, Won Suk Shin*, “Improvement of the performance of inverted polymer solar cells with a fluorine-doped tin oxide electrode,” Curr. Appl. Phys. 11 (1 SUPPL) S175-S178 (Jan-2011)

  17. L. Fang, S. J. Baik, S. Lim, S. Yoo, and K. S. Lim,* “Amorphous Si rear Schottky junction solar cell with a LiF/Al back electrode,” IEEE Transaction on Elec. Dev. 58 (9) 3048-3052 (Sep-2011)

  18. J.-H. Kim, H. Moon, S. Yoo, and Y.-K. Choi,* “Nanogap electrode fabrication for a nanoscale device by volume-expanding electrochemical synthesis,” Small 7 (15) 2210-2216 (Aug. 2011)



  1. T.-W. Koh, J.-M. Choi, S. Lee, and S. Yoo*, Optical outcoupling enhancement in organic light-emitting diodes: highly conductive polymer as a low-index layer on microstructured ITO electrodes, Adv. Mater. 22, 1849-1853 (2010)

  2. H. Cho, C. Yun, and S. Yoo*, “Multilayer transparent electrode for organic light-emitting diodes: tuning its optical characteristics,” Optics Express, 18 (4), 3404-3414 (2010)

  3. C. Yun, H. Moon, H. W. Kang, M. Kim, H. J. Sung, and S Yoo*, “High Performance Pentacene Thin-Film Transistors Fabricated by Organic Vapor-Jet Printing,” IEEE Electron. Dev. Lett. 31 (11), 1305-1307 (2010)

  4. D. Han, H. Kim, S. Lee, M. Seo, and S. Yoo*, “Realization of efficient semitransparent organic photovoltaic cells with metallic top electrodes: utilizing the tunable absorption asymmetry,” Optics Express, 18 (104), A513-A521 (2010)

  5. S. Han, S. Lim, H. Kim, H. Cho, and S. Yoo*, “Versatile multilayer transparent electrodes for ITO-free and flexible organic solar cells,” IEEE J. Sel. Topics in Quant. Elect. 16 (6) 1656-1664 (2010)

  6. W.C. Shin, H. Moon, S. Yoo, Y. Li , and B. J. Cho*, “Low-Voltage High-Performance Pentacene Thin-Film Transistors with Ultrathin PVP/High-κ HfLaO Hybrid Gate Dielectric,” IEEE Electron. Dev. Lett. 31 (11), 1308-1310 (2010)

  7. L. Fang, S. J. Baik, K. S. Lim*, S. Yoo, M. S. Seo, S. J. Kang, and J. W. Seo, “Tungsten oxide as a buffer layer inserted at the SnO2/ p-a-SiC interface of pin-type amorphous silicon based solar cells,” Appl. Phys. Lett. 96, 193501 (2010)

  8. S.-W. Ryu, C.-J. Kim, M. Seo, C. Yun, S. Yoo, and Yang-Kyu Choi*, “Fullerene-derivative-embedded nanogap field-effect-transistor and its nonvolatile memory application,” Small 6, 1617-1621 (2010)

  9. H. Jung, H. Kim, M-J. Park, B. J. Kim, J.-H. Park, E. Jeong, H. Y. Woo, S. Yoo*, H. -K. Shim*, “Synthesis and characterization of cyclopentadithiophene-based low bandgap coplymers containing electron-deficient benzoselenadiazole derivatives for photovoltaic devices,” J. Pol. Sci. Part. A, 48, 1423-1432 (2010)

  10. J. H. Park, C. Yun, M. H. Park, Y. K. Do,* S. Yoo,* and M. H. Lee, “Synthesis and Hole-Transporting Properties of Vinyl-Type Polynorbornenes with Ethyl Ester Linked Triarylamine Side Groups,” Synth. Met. 160 (16-17), 2000-2007 (2010)

  11. Jae-Ryoung Kim, Jung Min Cho, A-Rum Lee, Eun Ah Chae, Jin-Uk Park, Won-Bae Byun, Sang Kyu Lee, Jong-Cheol Lee, Won-Wook So, Seunghyup Yoo, Sang-Jin Moon, Won Suk Shin*, “Improvement of the performance of inverted polymer solar cells with a fluorine-doped tin  oxide electrode,” Curr. Appl. Phys. (Available online: doi:10.1016/j.cap.2010.11.027) (2010)


  1. H. Cho, C. Yun, J.-W. Park, and S. Yoo*, “Highly flexible organic light-emitting diodes based on ZnS/Ag/WO3 multilayer transparent electrodes,” Org. Electron. 10, 1163-1169 (2009)

  2. C. Yun, H. Cho, H. Kang, Y. M. Lee, Y. Park, and S. Yoo*, “Electron injection via pentacene thin films for efficient inverted organic light-emitting diodes,” Appl. Phys. Lett. 95, 053391 (2009)

  3. Jun Ha Park, Changhun Yun, Myung Hwan Park, Youngkyu Do,* Seunghyup Yoo* and Min Hyung Lee*, “Vinyl-Type Polynorbornenes with Triarylamine Side Groups: A New Class of Soluble Hole-Transporting Materials for OLED,” Macromolecules 42, 6840-6843 (2009)

  4. S. Han, W. S. Shin, M. Seo, D. Gupta, S.-J. Moon, and S. Yoo*, “Improving performance of organic solar cells using amorphous tungsten oxides as an interfacial buffer layer on transparent anodes,” Org. Electron. 10, 791-797 (2009 )

  5. Sungho Kim*, Hanul Moon, Dipti Gupta, Seunghyup Yoo, and Yang-Kyu Choi*, “Resistive switching characteristics of sol-gel zinc oxide films for flexible memory applications,” IEEE Trans. Electron Dev. 56(4), 696-699 (2009)

  6. Jae-Woo Park*, Dongyun Lee, Hakyoung Kwon, and Seunghyup Yoo, “Improvement of On-Off-Current Ratio in TiOx Active-Channel TFTs Using N2O Plasma Treatment, IEEE Electron Dev. Lett. 30(4), 362-364 (2009)

  7. Jae-Woo Park*, D. Lee, H. Kwon, S. Yoo, and J. Huh, “Performance improvement of n-type TiOx active-channel TFTs grown by low-temperature plasma-enhanced ALD,” IEEE Electron Dev. Lett. 30(7), 739-741 (2009)


  1. J.-W. Park* and S. Yoo*, “New n-type TiO2 transparent active channel TFTs fabricated with a solution process,” IEEE Elect. Dev. Lett. Vol. 29 (7), 724-727 (2008)

  2. Dipti Gupta*, Namho Jeon, and Seunghyup Yoo*, “Modeling the electrical characteristics of TIPS-pentacene thin-film transistors: Effect of contact barriers, field-dependent mobility, and traps,” Org. Elec. 9, 1026-1031 (2008)

  3. W. J. Potscavage, S. Yoo, and B. Kippelen*, “Origin of the open-circuit voltage in multilayer heterojunction organic solar cells,” Appl. Phys. Lett. 93, 193308 (2008)

  4. Jae-Woo Park*, Sung-Won Han, Namho Jeon, Jinhyuk Jang, and Seunghyup Yoo, “Improved electrical characteristics of amorphous oxide TFTs based on TiOx channel layer grown by low-temperature MOCVD,” IEEE Elect. Dev. Lett. 29, 1319 (2008)

  5. Dipti Gupta, Manish Anand, Seong-Wan Ryu, Yang-Kyu Choi*, and Seunghyup Yoo*, “Non-volatile memory based on sol-gel ZnO TFTs with Ag nanoparticles embedded in the ZnO/ gate insulator interface,” Appl. Phys. Lett. 93, 224106 (2008)

  6. B. Domercq, J. Yu, B. R. Kaafarani, T. Kondo, S. Yoo, J. N. Haddock, S. Barlow, S. R. Marder, and B.Kippelen*, “ A comparative study of charge mobility measurements in a diamine and in a hexaazatrinaphthylene using different techniques,” Mol. Cryst. Liq. Cryst. 481, 80-93 (2008)



  1. Xiao-Hong Zhang, Benoit Domercq, Xudong Wang, Seunghyup Yoo, Takeshi Kondo, Zhong Lin Wang and Bernard Kippelen*, "High-performance pentacene field-effect transistors using Al2O3 gate dielectrics prepared by atomic layer deposition (ALD)," Org. Electron., 8 (6), 718, 2007

  2. Seunghyup Yoo, William J. Potscavage Jr., Benoit Domercq et al. , "Analysis of improved photovoltaic properties of pentacene/C60 organic solar cells: Effects of exciton blocking layer thickness and thermal annealing," Sol.-State Electronics., 51(10), 1367, 2007

  3. W. J. Potscavage, S. Yoo, B. Domercq, and B. Kippelen*, “Encapsulation of pentacene/C60 organic solar cells with Al2O3 deposited by atomic layer deposition,” Appl. Phys. Lett. 90, 253511 (2007)



  1. C. Carter, M. Brumbach, C. Donley, R. D. Hreha, S. R. Marder, B. Domercq, S. Yoo, B. Kippelen, and N. R. Armstrong*, "Small molecule chemisorption on indium-tin oxide surfaces: enhancing probe molecule electron-transfer rates and the performance of organic light-emitting diodes," J. Phys. Chem. B 110, 25191 (2006).

  2. S. Yoo, W. J. Potscavage, B. Domercq, J. Kim, J. Holt, and B. Kippelen*, "Integrated organic photovoltaic modules with a scalable voltage output," Appl. Phys. Lett. 89, 233516 (2006).

  3. S. Yoo, W. J. Potscavage, B. Domercq, and B. Kippelen*, “Exciton diffusion in multilayer thin-film pentacene/C60 photovoltaic cells: modeling of spectral response,“ Nonlinear Optics, Quantum Optics [non-SCI] 35, 27 (2006).


2005 and earlier

  1. N. Kim, B. Domercq, S. Yoo, A. Christensen, B. Kippelen, and S. Graham*, “Thermal transport properties of thin films of small molecule organic semiconductors,” Appl. Phys. Lett. 87, 241908 (2005).

  2. Z. An, J. Yu, S. C. Jones, S. Barlow, S. Yoo, B. Domercq, P. Prins, L. D. A. Siebbeles, B. Kippelen, and S. R. Marder*, “High Electron Mobility in Room-Temperature Discotic Liquid-Crystalline Perylene Diimides,” Adv. Mater. 17, 2580 (2005).

  3. S. Yoo, B. Domercq, and B. Kippelen*, “Intensity-dependent equivalent circuit parameters of organic solar cells based on pentacene and C60,” J. Appl. Phys. 97, 103706 (2005).

  4. S. Yoo, B. Domercq, and B. Kippelen*, “Efficient thin-film organic solar cells based on pentaene/C60 heterojunctions,” Appl. Phys. Lett. 85, 5427 (2004).

  5. N. R. Armstrong*, C. Carter, C. L. Donley, A. Simmonds,  P. Lee, M. Brumbach, B. Kippelen, B. Domercq, and S. Yoo, “Interface modification of ITO thin films: organic photovoltaic cells,” Thin Sol. Films, 445, 342 (2003).

  6. K. Lee, J.-A. Kim, K. Kim, C.-Y. Won, S. H. Yoo, U. Shim, X. Xu, and W. Jhe*, “Cold atoms in hollow optical systems,” J. K. Phys. Soc. 35, 115 (1999).

  7. S. H. Yoo, C. Won, J.-A. Kim, K. Kim, U. Shim, K. Oh, U.-C. Paek, and W. Jhe*, “Diffracted near-field of hollow optical fibre for a novel atomic funnel,” J. of Opt. B: Quant. and Semiclassical Opt. 1, 364 (1999).

  8. C. Won, S. H. Yoo, K. Oh, U.-C. Paek, and W. Jhe*, “Near-field diffraction by a hollow-core optical fibre,” Opt. Comm. 161, 25 (1999).