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Publication                                          

 

 

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2024

  1. Dongho Choi, Sanghoon Park, Hanul Moon, and Seunghyup Yoo, "Boosting the photosensitivity of organic phototransistors with photomultiplication via Corbino configurations." Applied Physics Letters 124.14 (2024).

  2. Hyung Suk Kim, Sang Hoon Lee, Seunghyup Yoo, and Chihaya Adachi "Understanding of complex spin up-conversion processes in charge-transfer-type organic molecules." Nature Communications 15.1 (2024): 2267.​

  3. Hyeon-Dong Lee, Seung-Je Woo, Sungjin Kim, Junho Kim, Huanyu Zhou, Shin Jung Han, Kyung Yeon Jang, Dong-Hyeok Kim, Jinwoo Park, Seunghyup Yoo, Tae-Woo Lee "Valley-centre tandem perovskite light-emitting diodes." Nature Nanotechnology (2024): 1-8.

  4. Yeonghoon Jin, Hyung Suk Kim, Donggyun Lee, Chihaya Adachi, Seunghyup Yoo, and Kyoungsik Yu "Rigorous Determination of Dipole Orientation in Organic Thin Films Using Angle-Dependent Photoluminescence." The Journal of Physical Chemistry C (2024).

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2023​

  1. Dongho Choi, Hyukyun Kwon, Haechang Lee, Kyu-Myung Lee, Yongsup Park, Hanul Moon, and Seunghyup Yoo, "Organic Phototransistor with Light-Induced Contact Modulation and Sensitivity Enhancement Using a C60/C70: TAPC Hybrid Channel." ACS Applied Materials & Interfaces, 15. 50, 58673–58682 (2023).

  2. Haechang Lee, Ramakant Sharma, Sehwan Park, Zhenan Bao, Hanul Moon, and Seunghyup Yoo, "Gradual Electrical-Double-Layer Modulation in Ion-Polymer Networks for Flexible Pressure Sensors with Wide Dynamic Range." Adv. Funct. Mater, 2302633 (2023)

  3. Seunghyup Yoo, Jee Hoon Sim, Woochan Lee, Dongho Choi. "Tailoring OLEDs for healthcare applications." Organic and Hybrid Light Emitting Materials and Devices XXVII. SPIE, 2023.
  4. Sanghoon Park, Dongho Choi, Haechang Lee, Hanul Moon, Seunghyup Yoo, "Photomultiplication-type organic phototransistors: achieving high photosensitivity by suppressing dark current" Organic and Hybrid Transistors XXII, SPIE, 2023.

  5. Sangin Hahn, Junghoon Yang, Yeon-Wha Oh, Il-Suk Kang, Sang-Hee Ko Park, Seunghyup Yoo, "Optical design strategy for under-display biometric imaging solution." Organic and Hybrid Sensors and Bioelectronics XVI. SPIE, 2023.

  6. Jee Hoon Sim, Jinhee Kwon, Hyeonwook Chae, Su-Bon Kim, Hyunsu Cho, Woochan Lee, So Hee Kim, Chun-Won Byun, Sangin Hahn, Do Hyun Park, Seunghyup Yoo, "OLED catheters for inner-body phototherapy: A case of type 2 diabetes mellitus improved via duodenal photobiomodulation." Science Advances 9.35 (2023): eadh8619.

  7. Sangin Hahn, Carmela Michelle Esteban, Ramakant Sharma, and Seunghyup Yoo, "Low Temperature Processed Flexible Organic Photodetectors with High Spectral Detectivity," in Advanced Photonics Congress 2023, Technical Digest Series (Optica Publishing Group, 2023), paper STu2D.4.

  8. Hyeonwook Chae, and Seunghyup Yoo. "Optimization of Transparent OLEDs for Visual Stimulation in Bio-applications," in Advanced Photonics Congress 2023, Technical Digest Series (Optica Publishing Group, 2023), paper STu2D.3.

  9. Woochan Lee, Palanisamy Rajakannu, Hyung Suk Kim, Sunhyung Koo, Sanghoon Park, and Seunghyup Yoo. "Deep-red to Near-infrared Organic Light-emitting Diodes based on Dinuclear Platinum(II) complex," in Advanced Photonics Congress 2023, Technical Digest Series (Optica Publishing Group, 2023), paper JW4D.3.

  10. Chanhyung Park, Jeongmin Shin, Sanmun Kim, Songju Lee, Juho Park, Jaehyeok Park, Sehong Park, Seunghyup Yoo, and Min Seok Jang, "Fast and rigorous optical simulation of periodically corrugated light-emitting diodes based on a diffraction matrix method." Optics Express, 31(12), 20410-20423 (2023).

  11. HyungSuk Kim, HyungJin Cheon, Donggyun Lee, Woochan Lee, Junho Kim, Yun-Hi Kim, Seunghyup Yoo, "Toward highly efficient deep-blue OLEDs: Tailoring the multiresonance-induced TADF molecules for suppressed excimer formation and near-unity horizontal dipole ratio." Science Advances 9.22 (2023): eadf1388. (2023)

  12. Junho Kim, Eungjun Kim, Jaehyeok Park, Jinouk Song, Subon Kim, Hanul Moon, and Seunghyup Yoo, "Toward Near-Foldable Surface Light Sources with Ultimate Efficiency: Ultrathin Substrates Embedded with Micron-Scale Inverted Lens Arrays", ACS Photonics, 10, 6, 1775–1782. (2023)

  13. Ji Hun Choi, Chan Woo Park, Bock Soon Na, Jong-Heon Yang, Jeho Na, Jae-Eun Pi, Hee-Ok Kim, Chi-Sun Hwang, and Seunghyup Yoo, "Highly stable Mo/Al bilayer electrode for stretchable electronics" Journal of Information Display, 24(2), 137-145. (2023)

  14. Hyeonwook Chae, Yongjin Park, Yehhyun Jo, Yongmin Jeon, Hyunjoo Jenny Lee, Seunghyup Yoo, and Kyung Cheol Choi, "Blue Transparent OLEDs with High Stability and Transmittance for Modulating Sleep Disorders." Advanced Materials Interfaces 2202443 (2023)

  15. Palanisamy Rajakannu,  Woochan Lee,  Sanghoon Park,  Hyung Suk Kim,  Hanif Mubarok,  Min Hyung Lee,  Seunghyup Yoo, "Molecular Engineering for Shortening the Pt···Pt Distances in Pt(II) Dinuclear Complexes and Enhancing the Efficiencies of these Complexes for Application in Deep-Red and Near-IR OLEDs", Adv. Funct. Mater. 2211853. (2023)

  16. Shashi B. Srivastava,  Ramakant Sharma,  Divambal Appavoo,  Bimlesh Lochab,  Sangin Hahn,  Seunghyup Yoo,  Samarendra P. Singh, "Investigating the Role of Cathode Buffer Layers Based on Zinc Oxide with Surface-Rich Graded Fullerene Isomers in Tuning the Interfacial Properties of Organic Solar Cells", Sol. RRL, 7: 2200797. (2023)

  17. Hyuk Joo Lee, Seunghyup Yoo, Jung Kyung Hong, Jun Seok Ahn, Eunyoung Lee, Hanul Moon, Sunhyoung Koo, Tae Kim, Jaehyeok Park and In-Young Yoon, "The effect of proto-type wearable light-emitting devices on serum 25-hydroxyvitamin D levels in healthy adults: a 4-week randomized controlled trial" European Journal of Clinical Nutrition, 77(3), 342-347. (2023)

  18. Shashi B. Srivastava, Ramakant Sharma, Divambal Appavoo, Bimlesh Lochab, Sangin Hahn, Seunghyup Yoo, and Samarendra P. Singh, "Investigating the Role of Cathode Buffer Layers Based on Zinc Oxide with Surface‐Rich Graded Fullerene Isomers in Tuning the Interfacial Properties of Organic Solar Cells" Solar RRL, 7(3), 2200797. (2023)

  19. Yongjin Park, Gyeong Seok Lee, Woochan Lee, Seunghyup Yoo, Yun-Hi Kim, Kyung-Cheol Choi, "Heteroleptic Ir (III)-based near-infrared organic light-emitting diodes with high radiance capacity", Scientific Reports 13 (1), 1369 (2023)

  20. Young Hoon Lee, Woochan Lee, Taehwan Lee, Jaehoon Jung, Seunghyup Yoo, Min Hyung Lee, "Achieving over 36% EQE in blue OLEDs using rigid TADF emitters based on spiro-donor and spiro-B-heterotriangulene acceptors", Chemical Engineering Journal, 452 (2023)

  21. Young Hoon Lee , Jeoungmin Ji , THI QUYEN TRAN , Taehwan Lee , Jaehoon Jung , Youngil Lee , Seunghyup Yoo and Min Hyung Lee, "TADF emitters based on tri-spiral acridine donor and spiro-B-heterotriangulene acceptor: toward high horizontal dipole orientation and high-efficiency deep-blue OLEDs." Materials Chemistry Frontiers (2023)

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2022​

  1. Hyuk Joo Lee, Seunghyup Yoo, Jung Kyung Hong, Jun Seok Ahn, Eunyoung Lee, Hanul Moon, Sunhyoung Koo, Tae Kim, Jaehyeok Park, In-Young Yoon, "The effect of proto-type wearable light-emitting devices on serum 25-hydroxyvitamin D levels in healthy adults: a 4-week randomized controlled trial", European Journal of Clinical Nutrition, 1-6 (2022)

  2. Yeseung Park, Kanghee Lee, Jaehyeok Park, Jong Bin Bae, Sang-Su Kim, Do-Won Kim, Se Joon Woo, Seunghyup Yoo & Ki Woong Kim, "Optimal flickering light stimulation for entraining gamma rhythms in older adults", Sci Rep 12, 15550 (2022)

  3. 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)

  4. Donggyun Lee, Taehyun Kim, Subon Kim, Junho Kim, Hanul Moon, and Seunghyup Yoo, "High Fill Factor Stretchable Organic Light-Emitting Diodes with Trench Interconnector Structures," in Optica Advanced Photonics Congress 2022, Technical Digest Series (Optica Publishing Group, 2022), paper PvM2G.2.​

  5. Dongho Choi, Haechang Lee, Sanghoon Park, Hanul Moon, and Seunghyup Yoo, "Optimized Design of Organic Phototransistors for Enhancing the Photo-induced Source Contact Modulation," in Optica Advanced Photonics Congress 2022, Technical Digest Series (Optica Publishing Group, 2022), paper PvTh2H.2.

  6. 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)

  7. 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)

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

  9. 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)

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2021

  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, https://doi.org/10.1021/acsphotonics.1c00478 (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)

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2020

  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)

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2019

  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)

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2018

  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)

​

2017

  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)

​

2015

  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),  (http://dx.doi.org/10.1038/nmat4237)

  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)  (http://dx.doi.org/10.1002/adma.201404862)

  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) (http://dx.doi.org/10.1016/j.orgel.2015.06.008)

  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) (http://dx.doi.org/10.1016/j.solmat.2015.01.012)

  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) (http://dx.doi.org/10.1016/j.jlumin.2015.02.032)

  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.) (http://dx.doi.org/10.1016/j.orgel.2015.08.002) 

  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.) (http://dx.doi.org/10.1016/j.orgel.2015.07.046) 

  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.) (http://dx.doi.org/10.1364/OE.23.010259)

  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)  (http://dx.doi.org/10.1021/acs.chemmater.5b00481)

  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) (http://dx.doi.org/10.1002/adfm.201500677)

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