High performance hybrid graphene–CsPbBr 3− x I x perovskite nanocrystal photodetector DH Kwak, DH Lim, HS Ra, P Ramasamy, JS Lee RSC advances 6 (69), 65252-65256, 2016 | 176 | 2016 |
Solution synthesis of GeS and GeSe nanosheets for high-sensitivity photodetectors P Ramasamy, D Kwak, DH Lim, HS Ra, JS Lee Journal of Materials Chemistry C 4 (3), 479-485, 2016 | 165 | 2016 |
Fermi‐Level Pinning‐Free WSe2 Transistors via 2D Van der Waals Metal Contacts and Their Circuits J Jang, HS Ra, J Ahn, TW Kim, SH Song, S Park, T Taniguch, K Watanabe, ... Advanced Materials 34 (19), 2109899, 2022 | 59 | 2022 |
A hybrid MoS 2 nanosheet–CdSe nanocrystal phototransistor with a fast photoresponse HS Ra, DH Kwak, JS Lee Nanoscale 8 (39), 17223-17230, 2016 | 56 | 2016 |
Near-Infrared Self-Powered Linearly Polarized Photodetection and Digital Incoherent Holography Using WSe2/ReSe2 van der Waals Heterostructure J Ahn, K Ko, J Kyhm, HS Ra, H Bae, S Hong, DY Kim, J Jang, TW Kim, ... ACS nano 15 (11), 17917-17925, 2021 | 53 | 2021 |
Realizing long-term stability and thickness control of black phosphorus by ambient thermal treatment MH Jeong, DH Kwak, HS Ra, AY Lee, JS Lee ACS applied materials & interfaces 10 (22), 19069-19075, 2018 | 37 | 2018 |
Dual-gate black phosphorus field-effect transistors with hexagonal boron nitride as dielectric and passivation layers HS Ra, AY Lee, DH Kwak, MH Jeong, JS Lee ACS applied materials & interfaces 10 (1), 925-932, 2018 | 37 | 2018 |
Hybrid black phosphorus/zero-dimensional quantum dot phototransistors: tunable photodoping and enhanced photoresponsivity AY Lee, HS Ra, DH Kwak, MH Jeong, JH Park, YS Kang, WS Chae, ... ACS applied materials & interfaces 10 (18), 16033-16040, 2018 | 35 | 2018 |
High‐Performance Photovoltaic Effect with Electrically Balanced Charge Carriers in Black Phosphorus and WS2 Heterojunction DH Kwak, HS Ra, MH Jeong, AY Lee, JS Lee Advanced Materials Interfaces 5 (18), 1800671, 2018 | 32 | 2018 |
Bandgap tunable colloidal Cu-based ternary and quaternary chalcogenide nanosheets via partial cation exchange P Ramasamy, M Kim, HS Ra, J Kim, JS Lee Nanoscale 8 (15), 7906-7913, 2016 | 26 | 2016 |
Multilayer WSe2/MoS2 Heterojunction Phototransistors through Periodically Arrayed Nanopore Structures for Bandgap Engineering MH Jeong, HS Ra, SH Lee, DH Kwak, J Ahn, WS Yun, JD Lee, WS Chae, ... Advanced Materials 34 (8), 2108412, 2022 | 24 | 2022 |
Recovery Mechanism of Degraded Black Phosphorus Field‐Effect Transistors by 1, 2‐Ethanedithiol Chemistry and Extended Device Stability DH Kwak, HS Ra, J Yang, MH Jeong, AY Lee, W Lee, JY Hwang, JH Lee, ... Small 14 (6), 1703194, 2018 | 23 | 2018 |
Lateral WSe2 p–n Junction Device Electrically Controlled by a Single‐Gate Electrode DH Kwak, MH Jeong, HS Ra, AY Lee, JS Lee Advanced Optical Materials 7 (10), 1900051, 2019 | 21 | 2019 |
Probing the Importance of Charge Balance and Noise Current in WSe2/WS2/MoS2 van der Waals Heterojunction Phototransistors by Selective Electrostatic Doping HS Ra, MH Jeong, T Yoon, S Kim, YJ Song, JS Lee Advanced Science 7 (19), 2001475, 2020 | 14 | 2020 |
An Asymmetry Field‐Effect Phototransistor for Solving Large Exciton Binding Energy of 2D TMDCs HS Ra, J Ahn, J Jang, TW Kim, SH Song, MH Jeong, SH Lee, T Yoon, ... Advanced Materials 34 (7), 2107468, 2022 | 7 | 2022 |
Frequency doubler and universal logic gate based on two-dimensional transition metal dichalcogenide transistors with low power consumption TW Kim, HS Ra, J Ahn, J Jang, T Taniguchi, K Watanabe, JW Shim, ... ACS applied materials & interfaces 13 (6), 7470-7475, 2021 | 7 | 2021 |
Advances in heterostructures for optoelectronic devices: materials, properties, conduction mechanisms, device applications HS Ra, SH Lee, SJ Jeong, S Cho, JS Lee Small Methods 8 (2), 2300245, 2024 | 6 | 2024 |
Probing Optical Multi‐Level Memory Effects in Single Core‐Shell Quantum Dots and Application Through 2D–0D Hybrid Inverters HS Ra, TW Kim, DA Taylor, JJ Lee, S Song, J Ahn, J Jang, T Taniguchi, ... Advanced Materials 35 (39), 2303664, 2023 | 2 | 2023 |
Probing Optical Multi‐Level Memory Effects in Single Core‐Shell Quantum Dots and Application Through 2D–0D Hybrid Inverters (Adv. Mater. 39/2023) HS Ra, TW Kim, DA Taylor, JJ Lee, S Song, J Ahn, J Jang, T Taniguchi, ... Advanced Materials 35 (39), 2370280, 2023 | | 2023 |
Low-Dimensional Semiconductor Hybrid Device for Optoelectronics Application HS Ra DGIST, 2019 | | 2019 |