Changsoon Choi Group
(최창순, KIST)
Bio-inspired Optoelectronics
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Research Goal
Research Goal
Our research group aims at developing next-generation electronic/ optoelectronic devices using functional nanomaterials (2D materials, silicon nanomembrane) and flexible/stretchable devices.
Our first goal is developing neuromorphic optoelectronic devices by employing interesting properties of functional nanomaterials and applying bio-inspired strategies.
Our second goal is developing neuromorphic sensory system based on flexible/stretchable devices for ubiquitous healthcare.
Highlighted Research Articles
“In-sensor multilevel image adjustment for high-clarity contour extraction using adjustable synaptic phototransistors” Science Advances 11, eadt6527 (2025)
“Covalent heterostructures of ultrathin amorphous carbon nitride and Si for high-performance vertical photodiodes” Nature Synthesis 4, 514 (2025)
“Anti-distortion bioinspired camera with an inhomogeneous photo-pixel array” Nature Communications 15, 6021 (2024)
“Artificial optoelectronic synapse based on spatiotemporal irradiation to source-sharing circuitry of synaptic phototransistors” InfoMat 6, e12479 (2024)
“Chiroptical synaptic heterojunction Phototransistors Based on Self-Assembled Nanohelix of π-Conjugated Molecules for Direct Noise-Reduced Detection of Circularly Polarized Light ” Advanced Sciences 10, 2304039 (2023)
“Integration of synaptic phototransistors and quantum dot light-emitting diodes for visualization and recognition of UV patterns” Science Advances 8, eabq3101 (2022)
“Curved neuromorphic image sensor array using MoS2-organic heterostructure inspired by human visual recognition system” Nature Communications 11, 5934 (2020)
“An aquatic-vision-inspired camera based on a monocentric lens and a silicon nanorod photodiode array” Nature Electronics 3, 546 (2020)
“Human-eye-inspired soft optoelectronic device using high-density MoS2-graphene curved image sensor array” Nature Communications 8, 1664 (2017)
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