Papers – Intelligent Sensing Laboratory

2024

1. 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.

2. 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.

3. Remote epitaxy and freestanding wide bandgap semiconductor membrane technology towards industrialization

Minseong Park†, Takuji Maekawa†, Kyungwook Hwang†, Jim Cable†, Watanabe Noriyuki†, Kisik Choi†, Young-Kyun Noh†, Youngtek Oh†, Yongmin Baek† & Kyusang Lee*

Nature Reviews Electrical Engineering (link) †These authors contributed equally to this work.

4. EASI-CiM: Event-driven Asynchronous Stream-based Image classifier with Compute-in-Memory kernels

R Sreekumar, Minseong Park, MN Sakib, Bhupendra S Reniwal, Kyusang Lee, Mircea R Stan

2024 25th International Symposium on Quality Electronic Design (ISQED) (link)

5. Network of Artificial Olfactory Receptors for Spatiotemporal Monitoring of Toxic Gas

Yongmin Baek†, Byungjoon Bae†, Jeongyong Yang, Wonjun Cho, Inbo Sim, Geonwook Yoo, Seokhyun Chung, Junseok Heo* and Kyusang Lee*

Science Advances (accepted) †These authors contributed equally to this work.

2023

1. 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.

2. 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 Kim

Nature Nanotechnology (link) *These authors contributed equally to this work.

3. Reconfigurable heterojunction transistors for off-grid medical devices

Minseong Park*, Yongmin Baek*, and Kyusang Lee

Nature Electronics (link) *These authors contributed equally to this work.

4. 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.

5. 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.

6. 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.

7. 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.

8. 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.

9. 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 Yoo

IEEE Electron Device Letters (link)

10. 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

1. 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 Kim

Nature Reviews Methods Primers (link) *These authors contributed equally to this work.

2. 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.

3. 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.

4. 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.

5. 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.

6. Fundamentals and applications of mixed-dimensional heterostructures

Kyusang Lee, Xiangfeng Duan, Mark C. Hersam, and Jeehwan Kim

APL Materials (link)

7. 2D materials-assisted heterogeneous integration of semiconductor membranes towards functional devices

Minseong Park, Byungjoon Bae, Taegeon Kim, Hyun S Kum, and Kyusang Lee

Journal of Applied Physics (link) (Featured as Editors’ Pick)

8. 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 Heo

Scientific reports (link) *These authors contributed equally to this work.

9. 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.

10. 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 Lee

Advanced Optical Materials (link) *These authors contributed equally to this work.

2021

1. 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.

2. 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 Choi

Physical Review B (link) *These authors contributed equally to this work.

3. 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 Lee

Advanced Intelligent Systems (link) *These authors contributed equally to this work.

4. 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 Lee

Advanced Intelligent Systems (link) (Featured as the inside front cover)

5. 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.

6. 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 Sim

Small (link) *These authors contributed equally to this work.

2020

1. 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.

2. 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.

3. 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 Jo

Physics Review B (link) *These authors contributed equally to this work.

4. 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 Lee

Scientific Report (link)

5. Capillary transfer of soft films

Yue Zhang, Mengtian Yin, Yongmin Baek, Kyusang Lee, Giovanni Zangari, Liheng Cai, and Baoxing Xu

PNAS (link)

2019

1. 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.

2. 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 Zebarjadi

Science Advances (link)

3. 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 Choi

Nano Letters (link) *These authors contributed equally to this work.

4. 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 Heo

Optics express (link)

2018

1. 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 Kim

Science (link)

2. 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 Kim

Nature materials (link)

3. Thin-Film Architectures with High Spectral Selectivity for Thermophotovoltaic Cells

T Burger, D Fan, K Lee, S Forrest, and A Lenert

ACS Photonics (link)

4. 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

Carbon (lin k)

5. High-performance PBT7-Th:PC₇₀BM polymer photodiode with transferred charge blocking layers

H Kim, B Song, K Lee, J Kim, and J Kanicki

Organic Electronics (link)

6. Surface passivation of InP using an organic thin film

Byungjun Lee, Xiao Liu, Kyusang Lee, Dejiu Fan, Byun Jun Jung, Stephen R. Forrest

Journal of Crystal Growth (link)

2017

1. 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

Nature (lin k)

2. 3D Printed Masks and Transfer Stamping Process to Enable the Fabrication of the Hemispherical Organic Photodiodes

H Kim, J Moon, K Lee, J Kanicki

Advanced Materials Technologies (lin k)

3. Bilayer Interdiffused Heterojunction Organic Photodiodes Fabricated by Double Transfer Stamping

H Kim, B Song, K Lee, S Forrest, and J Kanicki

Advanced Optical Materials (li nk)

Before UVA

Dynamic kirigami structures for integrated solar tracking

A Lamoureux, K Lee, M Shlian, SR Forrest, and M Shtein

Nature communications 6, 8092 (link)
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 Chain

BJ Jung, K Lee, J Sun, AG Andreou, and HE Katz

Advanced Functional Materials 20 (17), 2930-2944 (lin k)
Non‐Destructive Wafer Recycling for Low‐Cost Thin‐Film Flexible Optoelectronics

K Lee, JD Zimmerman, TW Hughes, and SR Forrest

Advanced Functional Materials 24 (27), 4284-4291 (lin k)
Excited state and charge dynamics of hybrid organic/inorganic heterojunctions. II. Experiment

A Panda, CK Renshaw, A Oskooi, K Lee, and SR Forrest

Physical Review B 90 (4), 045303 (lin k)
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

ACS Photonics 3 (11), 2134-2140 (li nk)
Flexible thin-film InGaAs photodiode focal plane array
D Fan, K Lee, and SR Forrest

Acs Photonics 3 (4), 670-676 (link)
Inverted, semitransparent small molecule photovoltaic cells

X Xiao, K Lee, and SR Forrest

Applied Physics Letters 107 (3), 033901 (l ink)
Scalability of multi-junction organic solar cells for large area organic solar modules

X Xiao, K Lee, and SR Forrest

Applied Physics Letters 106 (21), 55_1 (lin k)
Improved power conversion efficiency of InP solar cells using organic window layers

N Li, K Lee, CK Renshaw, X Xiao, and SR Forrest

Applied Physics Letters 98 (5), 053504 (li nk)
Multiple growths of epitaxial lift-off solar cells from a single InP substrate

K Lee, KT Shiu, JD Zimmerman, CK Renshaw, and SR Forrest

Applied Physics Letters 97 (10), 101107 (lin k)
Transforming the cost of solar-to-electrical energy conversion: Integrating thin-film GaAs solar cells with non-tracking mini-concentrators

K Lee, J Lee, BA Mazor, and SR Forrest

Light: Science & Applications 4 (5), e288 (l ink)
Reliability of Mixed‐Heterojunction Organic Photovoltaics Grown via Organic Vapor Phase Deposition

B Song, QC Burlingame, K Lee, and SR Forrest

Advanced Energy Materials 5 (8) (lin k)
Small‐Molecule Planar‐Mixed Heterojunction Photovoltaic Cells with Fullerene‐Based Electron Filtering Buffers

X Xiao, KJ Bergemann, JD Zimmerman, K Lee, and SR Forrest

Advanced Energy Materials 4 (7) (link)
Flexible antenna integrated with an epitaxial lift-off solar cell array for flapping-wing robots

J Oh, K Lee, T Hughes, S Forrest, and K Sarabandi

IEEE Transactions on Antennas and Propagation 62 (8), 4356-4361 (lin k)
Multiphoton sub-band-gap photoconductivity and critical transition temperature in type-II GaSb quantum-dot intermediate-band solar cells

J Hwang, K Lee, A Teran, S Forrest, JD Phillips, AJ Martin, and J Millunchick

Physical Review Applied 1 (5), 051003 (lin k)
An electrophosphorescent organic light emitting concentrator

J Lee, M Slootsky, K Lee, Y Zhang, and SR Forrest

Light: Science & Applications 3 (6), e181 (l ink)
Development of Al0. 8Ga0. 2As photodiodes for use in wide band-gap solid-state photomultipliers

MD Hammig, XJ Chen, JC Campbell, K Taehoon, W Sun, EB Johnson, K Lee, and JF Christian

Nuclear Science, IEEE Transactions on 60, 1175-1181 (lin k)
Reuse of GaAs substrates for epitaxial lift-off by employing protection layers

K Lee, JD Zimmerman, X Xiao, K Sun, and SR Forrest

Journal of Applied Physics 111 (3), 033527 (lin k)