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Hyun Soo Ra
Hyun Soo Ra
Assistant Professor at Kyungpook National University, School of Electronic Engineering
Verified email at knu.ac.kr - Homepage
Title
Cited by
Cited by
Year
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
1762016
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
1632016
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
562022
A hybrid MoS 2 nanosheet–CdSe nanocrystal phototransistor with a fast photoresponse
HS Ra, DH Kwak, JS Lee
Nanoscale 8 (39), 17223-17230, 2016
552016
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
482021
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
372018
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
362018
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
352018
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
322018
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
262016
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
242022
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
232018
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
212019
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
142020
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
72022
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
72021
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
62024
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
22023
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
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