2024
- Stereoscopic Artificial Compound Eyes for Spatiotemporal Perception in three-dimensional space
Byungjoon Bae†, Doeon Lee†, Minseong Park†, Yujia Mu, Yongmin Baek, Inbo Sim, Cong Shen1, Kyusang Lee*Science robotics (link) †These authors contributed equally to this work. *corresponding author. - Rapidly Grown Hexagonal Organic Microtubes Using Ionic Liquids for an Enhanced Optical Waveguide Effect
Do Wan Kim, Jongchan Kim, Yongmin Baek, Kyusung Choi, Jiyoun Kim, Sung Ho Yoo, Jinwoo Song, Jihoon Choi, Heesoh Noh, Kyusang Lee*, Jae-Won Jang*, Dong Hyuk Park*Advanced Optical Materials (link) *Co-corresponding authors.
2023
- Vertical full-colour micro-LEDs via 2D materials-based layer transfer
Jiho Shin†, Hyunseok Kim†, Suresh Sundaram†, Junseok Jeong†, Celesta S. Chang, Joonghoon Choi, Taemin Kim, Mayuran Saravanapavanantham, Kuangye Lu, Sungkyu Kim, Bo-In Park, Jun Min Suh, Ki Seok Kim, Min-Kyu Song, Yunpeng Liu, Kuan Qiao, Jae Hwan Kim, Yeongin Kim, Ji-Hoon Kang, Jekyung Kim, Doeon Lee, Jaeyong Lee, Justin S. Kim, Han Eol Lee, Hanwool Yeon, Hyun S. Kum, Sang-Hoon Bae, Vladimir Bulovic, Ki Jun Yu, Kyusang Lee*, Kwanghun Chung*, Young Joon Hong*, Abdallah Ougazzaden*, and Jeehwan Kim*Nature (link) †These authors contributed equally to this work. *Co-corresponding authors. - High-throughput manufacturing of epitaxial membranes from a single wafer by 2D materials-based layer transfer
Hyunseok Kim*, Yunpeng Liu*, Kuangye Lu*, Celesta S. Chang*, Dongchul Sung, Marx Akl, Kuan Qiao, Ki Seok Kim, Bo-In Park, Menglin Zhu, Jun Min Suh, Jekyung Kim, Junseok Jeong, Yongmin Baek, You Jin Ji, Sungsu Kang, Sangho Lee, Ne Myo Han, Chansoo Kim, Chanyeol Choi, Xinyuan Zhang, Hyeong-Kyu Choi, Yanming Zhang, Haozhe Wang, Lingping Kong, Nordin Noor Afeefah, Mohamed Nainar Mohamed Ansari, Jungwon Park, Kyusang Lee, Geun Young Yeom, Sungkyu Kim, Jinwoo Hwang, Jing Kong, Sang-Hoon Bae, Yunfeng Shi, Suklyun Hong, Wei Kong, and Jeehwan KimNature Nanotechnology (link) *These authors contributed equally to this work. - Reconfigurable heterojunction transistors for off-grid medical devices
Minseong Park*, Yongmin Baek*, and Kyusang LeeNature Electronics (link) *These authors contributed equally to this work. - Reconfigurable Physical Reservoir in GaN/α-In2Se3 HEMTs Enabled by Out-of-Plane Local Polarization of Ferroelectric 2D Layer
Jeong Yong Yang†, Minseong Park†, Min Jae Yeom†, Yongmin Baek, Seok Chan Yoon, Yeong Je Jeong, Sanghee Kim, Seung Yoon Oh, Kyusang Lee*, and Geonwook Yoo*ACS Nano (link) †These authors contributed equally to this work. *Co-corresponding authors. - An artificial neuromuscular junction for enhanced reflexes and oculomotor dynamics based on a ferroelectric CuInP2S6/GaN HEMT
Minseong Park†, Jeong Yong Yang†, Min Jae Yeom, Yongmin Baek, Byungjoon Bae, Geonwook Yoo*, and Kyusang Lee*Science Advances (link) †These authors contributed equally to this work. *Co-corresponding authors. - Low-Thermal-Budget Ferroelectric Field-Effect Transistors Based on CuInP2S6 and InZnO
Hojoon Ryu, Junzhe Kang, Minseong Park, Byungjoon Bae, Zijing Zhao, Shaloo Rakheja, kyusang lee*, and Wenjuan Zhu*ACS Applied Materials & Interfaces *Co-corresponding authors. - Quantized Neural Network via Synaptic Segregation Based on Ternary Charge-Trap Transistors
Yongmin Baek, Byungjoon Bae, Jeonyong Yang, Doeon Lee, Hee Sung Lee, Minseong Park, Taegeon Kim, Sihwan Kim, Bo-In Park, Geonwook Yoo*, and Kyusang Lee*Advanced Electronic Materials (link) *Co-corresponding authors. - Non-Line-of-Sight Detection Based on Neuromorphic Time-of-Flight Sensing
Minseong Park, Yuan Yuan, Yongmin Baek, Byungjoon Bae, Bo-In Park, Young Hoon Kim, Nicholas Lin, Junseok Heo*, and Kyusang Lee*ACS Photonics (link) *Co-corresponding authors. - Pulsed E-/D-mode switchable GaN HEMTs with a ferroelectric AlScN gate dielectric
Jeong Yong Yang, Seung Yoon Oh, Min Jae Yeom, Seokgi Kim, Gyuhyung Lee, Kyusang Lee, Sungkyu Kim, and Geonwook YooIEEE Electron Device Letters (link) - Near-sensor computing-assisted simultaneous viral antigen and antibody detection via integrated label-free biosensors with microfluidics
Byungjoon Bae, Yongmin Baek, Jeong Yong Yang, Heesung Lee, Charana S.S. Sonnadara, Sangeun Jung, Minseong Park, Doeon Lee, Sihwan Kim, Gaurav Giri, Sahil Shah*, Geonwook Yoo*, William A. Petri*, and Kyusang Lee*InfoMat (link) *Co-corresponding authors.
2022
- Remote epitaxy
Hyunseok Kim*, Celesta Chang*, Sangho Lee*, Jie Jiang, Junseok Jeong, Minseong Park, Yuan Meng, Jongho Ji, Yeunwoo Kwon, Xuechun Sun, Wei Kong, Hyun S Kum, Sang-Hoon Bae, Kyusang Lee, Young Joon Hong, Jian Shi, and Jeehwan KimNature Reviews Methods Primers (link) *These authors contributed equally to this work. - Chip-less wireless electronic skins by remote epitaxial freestanding compound semiconductors
Yeongin Kim†, Jun Min Suh†, Jiho Shin†, Yunpeng Liu†, Hanwool Yeon, Kuan Qiao, Hyun S Kum, Chansoo Kim, Han Eol Lee, Chanyeol Choi, Hyunseok Kim, Doyoon Lee, Jaeyong Lee, Ji-Hoon Kang, Bo-In Park, Sungsu Kang, Jihoon Kim, Sungkyu Kim, Joshua A. Perozek, Kejia Wang, Yongmo Park, Kumar Kishen, Lingping Kong, Tomás Palacios, Jungwon Park, Min-Chul Park, Hyung-jun Kim, Yun Seog Lee, Kyusang Lee, Sang-Hoon Bae, Wei Kong, Jiyeon Han*, and Jeehwan Kim*Science (link) †These authors contributed equally to this work. *Co-corresponding authors. - Graphene nanopattern as a universal epitaxy platform for single-crystal membrane production and defect reduction
Hyunseok Kim†, Sangho Lee†, Jiho Shin†, Menglin Zhu, Marx Akl, Kuangye Lu, Ne Myo Han, Yongmin Baek, Celesta S. Chang, Jun Min Suh, Ki Seok Kim, Bo-In Park, Yanming Zhang, Chanyeol Choi, Heechang Shin, He Yu, Yuan Meng, Seung-Il Kim, Seungju Seo, Kyusang Lee, Hyun S Kum, Jae-Hyun Lee, Jong-Hyun Ahn, Sang-Hoon Bae*, Jinwoo Hwang*, Yunfeng Shi*, and Jeehwan Kim*Nature Nanotechnology (link) †These authors contributed equally to this work. *Co-corresponding authors. - In-sensor image memorization and encoding via optical neurons for bio-stimulus domain reduction towards visual cognitive processing
Doeon Lee†, Minseong Park†, Yongmin Baek, Byungjoon Bae, Junseok Heo*, and Kyusang Lee*Nature Communications (link) (Featured as Editors’ Highlights) †These authors contributed equally to this work. *Co-corresponding authors. - Reconfigurable Radio-Frequency High-Electron Mobility Transistors via Ferroelectric-Based Gallium Nitride Heterostructure
Jeong Yong Yang, Min Jae Yeom, Jaeyong Lee, Kyusang Lee, Changkun Park*, Junseok Heo*, and Geonwook Yoo*Advanced Electronic Materials (link) *Co-corresponding authors. - Fundamentals and applications of mixed-dimensional heterostructures
Kyusang Lee, Xiangfeng Duan, Mark C. Hersam, and Jeehwan KimAPL Materials (link) - 2D materials-assisted heterogeneous integration of semiconductor membranes towards functional devices
Minseong Park, Byungjoon Bae, Taegeon Kim, Hyun S Kum, and Kyusang LeeJournal of Applied Physics (link) (Featured as Editors’ Pick) - Mid-infrared photon sensing using InGaN/GaN nanodisks via intersubband absorption
Zhang Xing*, Afroja Akter*, Hyun S Kum*, Yongmin Baek*, Yong-Ho Ra, Geonwook Yoo, Kyusang Lee, Zetian Mi, and Junseok HeoScientific reports (link) *These authors contributed equally to this work. - Albedo-Enabled Enhanced Energy Harvesting via GaAs Bifacial Thin-Film Solar Cells
Zhang Xing†, Seonghyun Nam†, Dahee Kim†, Yongmin Baek†, Dohyun Kim, Youngseo Park, Hsin-Ying Lee, Ching-Ting Lee, Kyusang Lee*, and Junseok Heo*Advanced Photonics Research (link) †These authors contributed equally to this work. *Co-corresponding authors. - Hetero-integrated InGaAs Photodiode and Oxide Memristor based Artificial Optical Nerve for In-Sensor NIR Image Processing
Byungjoon Bae*, Minseong Park*, Doeon Lee*, Inbo Sim, and Kyusang LeeAdvanced Optical Materials (link) *These authors contributed equally to this work.
2021
- Visible and infrared dual-band imaging via Ge/MoS2 van der Waals heterostructure
Aujin Hwang†, Minseong Park†, Youngseo Park†, Yeongseok Shim, Sukhyeong Youn, Chan-Ho Lee, Han Beom Jeong, Hu Young Jeong, Jiwon Chang, Kyusang Lee*, Geonwook Yoo*, and Junseok Heo*Science Advances (link) †These authors contributed equally to this work. *Co-corresponding authors. - Opposite behavior of ultrafast dynamics of exciton shift and linewidth broadening in bilayer ReS2
Sangwan Sim*, Ho-Seung Shin*, Doeon Lee, Jekwan Lee, Myungjun Cha, Kyusang Lee, and Hyunyong ChoiPhysical Review B (link) *These authors contributed equally to this work. - Efficient Defect Identification via Oxide Memristive Crossbar Array Based Morphological Image Processing
Hee Sung Lee*, Yongmin Baek*, Qiubao Lin*, Joseph Minsu Chen, Minseong Park, Doeon Lee, Sihwan Kim, and Kyusang LeeAdvanced Intelligent Systems (link) *These authors contributed equally to this work. - Neuron-inspired time-of-flight sensing via spike-timing-dependent plasticity of artificial synapses
Minseong Park, Yuan Yuan, Yongmin Baek, Andrew H. Jones, Nicholas Lin, Doeon Lee, Hee Sung Lee, Sihwan Kim, Joe C. Campbell, and Kyusang LeeAdvanced Intelligent Systems (link) (Featured as the inside front cover) - Ultrahigh Deep-Ultraviolet Responsivity of a β‐Ga2O3/MgO Heterostructure-Based Phototransistor
Jungho Ahn, Jiyeon Ma, Doeon Lee, Qiubao Lin, Youngseo Park, Oukjae Lee, Sangwan Sim, Kyusang Lee*, Geonwook Yoo*, and Junseok Heo*ACS Photonics (link) *Co-corresponding authors. - Exciton-Dominated Ultrafast Optical Response in Atomically Thin PtSe2
Seongkwang Bae*, Sanghee Nah*, Doeon Lee*, Muhammad Sajjad*, Nirpendra Singh, Ku Min Kang, Sanghoon Kim, Geun-Ju Kim, Jaekyun Kim, Hionsuck Baik, Kyusang Lee, and Sangwan SimSmall (link) *These authors contributed equally to this work.
2020
- Heterogeneous integration of single-crystalline complex-oxide membrane
Hyun S Kum, Hyungwoo Lee, Sungkyu Kim, Shane Lindemann, Wei Kong, Kuan Qiao, Peng Chen, Julian Irwin, June Hyuk Lee, Saien Xie, Shruti Subramanian, Jaewoo Shim, Sang-Hoon Bae, Chanyeol Choi, Luigi Ranno, Seungju Seo, Sangho Lee, Jackson Bauer, Huashan Li, Kyusang Lee, Joshua A. Robinson, Caroline A. Ross, Darrell G. Schlom, Mark S. Rzchowski, Chang-Beom Eom*, and Jeehwan Kim*Nature (link) *Co-corresponding authors. - Graphene-assisted spontaneous relaxation towards dislocation-free heteroepitaxy
Sang-Hoon Bae, Kuangye Lu, Yimo Han, Sungkyu Kim, Kuan Qiao, Chanyeol Choi, Yifan Nie, Hyunseok Kim, Hyun S Kum, Peng Chen, Wei Kong, Beom-Seok Kang, Chansoo Kim, Jaeyong Lee, Yongmin Baek, Jaewoo shim, Jinhee Park, Minho Joo, David Muller, Kyusang Lee*, and Jeehwan Kim*Nature Nanotechnology (link) *Co-corresponding authors. - Role of weak interlayer coupling in the ultrafast exciton-exciton annihilation in two-dimensional rhenium dichalcogenides
Sangwan Sim*, Doeon Lee*, Jekwan Lee, Myungjun Cha, Soonyoung Cha, Hyemin Bae, Sungjun Cho, Wooyoung Shim, Kyusang Lee, Jinkyoung Yoo, Rohit P. Prasankumar, Hyunyong Choi, and Moon-Ho JoPhysics Review B (link) *These authors contributed equally to this work. - Hetero-integration enables fast switching time-of-flight sensors for light detection and ranging
Minseong Park, Yongmin Baek, Mesgana Dinare, Doeon Lee, Kyung-Ho Park, Jungho Ahn, Dahee Kim, Joseff Medina, Won-Jin Choi, Sihwan Kim, Changjie Zhou, Junseok Heo, and Kyusang LeeScientific Report (link) - Capillary transfer of soft films
Yue Zhang, Mengtian Yin, Yongmin Baek, Kyusang Lee, Giovanni Zangari, Liheng Cai, and Baoxing XuPNAS (link)
2019
- Epitaxial growth and layer-transfer techniques for heterogeneous integration of materials for electronic and photonic devices
Hyun S Kum, Doeon Lee, Wei Kong, Hyunseok Kim, Yongmo Park, Yunjo Kim, Yongmin Baek, Sang-Hoon Bae, Kyusang Lee*, and Jeehwan Kim*Nature Electronics (link) *Co-corresponding authors. - Thermionic Transport Across Gold-Graphene-WSe2 van der Waals Heterostructures
Md Golam Rosul, Doeon Lee, David H Olson, Naiming Liu, Xiaoming Wang, Patrick Hopkins, Kyusang Lee, and Mona ZebarjadiScience Advances (link) - Light polarization-controlled conversion of ultrafast coherent-incoherent exciton dynamics in few-layer ReS2
Sangwan Sim*, Doeon Lee*, Jekwan Lee, Hyemin Bae, Minji Noh, Soonyoung Cha, Moon-Ho Jo, Kyusang Lee, and Hyunyong ChoiNano Letters (link) *These authors contributed equally to this work. - Improved visible-blindness of AlGaN deep ultraviolet photodiode with monolithically integrated angle-insensitive Fabry–Perot filter
Dohyun Kim, Seungho Han, Joocheol Jung, Yongmin Baek, John Son, Kyusang Lee, and Junseok HeoOptics express (link)
2018
- Controlled crack propagation for atomic precision handling of wafer-scale two-dimensional materials
Jaewoo Shim, Sang-Hoon Bae, Wei Kong, Doyoon Lee, Kuan Qiao, Daniel Nezich, Yong Ju Park, Ruike Zhao, Suresh Sundaram, Xin Li, Hanwool Yeon, Chanyeol Choi, Hyun S Kum, Ruoyu Yue, Guanyu Zhou, Yunbo Ou, Kyusang Lee, Jagadeesh Moodera, Xuanhe Zhao, Jong-Hyun Ahn, Christopher Hinkle, Abdallah Ougazzaden, Jeehwan KimScience (link) - Polarity governs atomic interaction through two-dimensional materials
Wei Kong, Huashan Li, Kuan Qiao, Yunjo Kim, Kyusang Lee, Yifan Nie, Doyoon Lee, Tom Osadchy, Richard J Molnar, D. Kurt Gaskill, Rachael L. Myers-Ward, Kevin M. Daniels, Yuewei Zhang, Suresh Sundram, Yang Yu, Sang-hoon Bae, Siddharth Rajan, Yang Shao-Horn, Kyeongjae Cho, Abdallah Ougazzaden, Jeffrey C. Grossman & Jeehwan KimNature materials (link) - Thin-Film Architectures with High Spectral Selectivity for Thermophotovoltaic Cells
T Burger, D Fan, K Lee, S Forrest, and A LenertACS Photonics (link) - Recent progress in Van der Waals (vdW) heterojunction-based electronic and optoelectronic devices
J Shim, D Kang, Y Kim, H Kum, W Kong, S Bae, I Almansouri, K Lee, J Park, and J Kim - High-performance PBT7-Th:PC70BM polymer photodiode with transferred charge blocking layers
H Kim, B Song, K Lee, J Kim, and J KanickiOrganic Electronics (link) - Surface passivation of InP using an organic thin film
Byungjun Lee, Xiao Liu, Kyusang Lee, Dejiu Fan, Byun Jun Jung, Stephen R. ForrestJournal of Crystal Growth (link)
2017
- Remote epitaxy through graphene enables two-dimensional material-based layer transfer
Y Kim, SS Cruz, K Lee, BO Alawode, C Choi, Y Song, JM Johnson, C Heidelberger, W Kong, S Choi, K Qiao, I Almansouri, EA Fitzgerald, J Kong, AM Kolpak, J Hwang & Jeehwan Kim - 3D Printed Masks and Transfer Stamping Process to Enable the Fabrication of the Hemispherical Organic Photodiodes
H Kim, J Moon, K Lee, J Kanicki - Bilayer Interdiffused Heterojunction Organic Photodiodes Fabricated by Double Transfer Stamping
H Kim, B Song, K Lee, S Forrest, and J Kanicki
Before UVa
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Dynamic kirigami structures for integrated solar trackingA Lamoureux, K Lee, M Shlian, SR Forrest, and M ShteinNature communications 6, 8092 (link)
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Air‐Operable, High‐Mobility Organic Transistors with Semifluorinated Side Chains and Unsubstituted Naphthalenetetracarboxylic Diimide Cores: High Mobility and Bias Stress Stability from the Perfluorooctylpropyl Side ChainBJ Jung, K Lee, J Sun, AG Andreou, and HE Katz
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Non‐Destructive Wafer Recycling for Low‐Cost Thin‐Film Flexible OptoelectronicsK Lee, JD Zimmerman, TW Hughes, and SR Forrest
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Excited state and charge dynamics of hybrid organic/inorganic heterojunctions. II. ExperimentA Panda, CK Renshaw, A Oskooi, K Lee, and SR Forrest
- Origami solar-tracking concentrator array for planar photovoltaics
K Lee, CW Chien, B Lee, A Lamoureux, M Shlian, M Shtein, PC Ku, and S Forrest - Flexible thin-film InGaAs photodiode focal plane array
D Fan, K Lee, and SR ForrestAcs Photonics 3 (4), 670-676 (link) -
Inverted, semitransparent small molecule photovoltaic cellsX Xiao, K Lee, and SR Forrest
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Scalability of multi-junction organic solar cells for large area organic solar modulesX Xiao, K Lee, and SR Forrest
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Improved power conversion efficiency of InP solar cells using organic window layersN Li, K Lee, CK Renshaw, X Xiao, and SR Forrest
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Multiple growths of epitaxial lift-off solar cells from a single InP substrateK Lee, KT Shiu, JD Zimmerman, CK Renshaw, and SR Forrest
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Transforming the cost of solar-to-electrical energy conversion: Integrating thin-film GaAs solar cells with non-tracking mini-concentratorsK Lee, J Lee, BA Mazor, and SR Forrest
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Reliability of Mixed‐Heterojunction Organic Photovoltaics Grown via Organic Vapor Phase DepositionB Song, QC Burlingame, K Lee, and SR Forrest
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Small‐Molecule Planar‐Mixed Heterojunction Photovoltaic Cells with Fullerene‐Based Electron Filtering BuffersX Xiao, KJ Bergemann, JD Zimmerman, K Lee, and SR ForrestAdvanced Energy Materials 4 (7) (link)
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Flexible antenna integrated with an epitaxial lift-off solar cell array for flapping-wing robotsJ Oh, K Lee, T Hughes, S Forrest, and K Sarabandi
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Multiphoton sub-band-gap photoconductivity and critical transition temperature in type-II GaSb quantum-dot intermediate-band solar cellsJ Hwang, K Lee, A Teran, S Forrest, JD Phillips, AJ Martin, and J Millunchick
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An electrophosphorescent organic light emitting concentratorJ Lee, M Slootsky, K Lee, Y Zhang, and SR Forrest
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Development of Al0. 8Ga0. 2As photodiodes for use in wide band-gap solid-state photomultipliersMD Hammig, XJ Chen, JC Campbell, K Taehoon, W Sun, EB Johnson, K Lee, and JF Christian
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Reuse of GaAs substrates for epitaxial lift-off by employing protection layersK Lee, JD Zimmerman, X Xiao, K Sun, and SR Forrest
2024
- Stereoscopic Artificial Compound Eyes for Spatiotemporal Perception in three-dimensional space
Byungjoon Bae†, Doeon Lee†, Minseong Park†, Yujia Mu, Yongmin Baek, Inbo Sim, Cong Shen, Kyusang Lee*Science robotics (link) †These authors contributed equally to this work. *corresponding author. - Rapidly Grown Hexagonal Organic Microtubes Using Ionic Liquids for an Enhanced Optical Waveguide Effect
Do Wan Kim, Jongchan Kim, Yongmin Baek, Kyusung Choi, Jiyoun Kim, Sung Ho Yoo, Jinwoo Song, Jihoon Choi, Heesoh Noh, Kyusang Lee*, Jae-Won Jang*, Dong Hyuk Park*Advanced Optical Materials (link) *Co-corresponding authors.