Park Research Group

Electronic-Photonic Materials and
Devices Laboratory at Hanyang University

Research

한양대학교 EPL 연구실의 연구분야를 소개합니다.

RESEARCH 01

Neuromorphic Computing

RESEARCH 02

Perovskite Electronics

RESEARCH 03

Display

Publications

한양대학교 EPL 연구실의 논문을 보여드립니다.

Non-Volatile Methylammonium Chloride Substitution for Tin Halide Perovskite Transistors

Hansol Park, Cheong Beom Lee, Jongmin Lee, Seon Jeong Lim, Bum Ho Jeong, Hakjun Kim, Seong Jae Lee, Hayoung Oh, Hyungju Ahn, Do Hwan Kim, Kyeounghak Kim*, Hui Joon Park*

Nature Electronics accepted (2025)

2D Sn Halide Perovskite Transistors with Interface-Enhancing Organic Molecules via Side Group Modulation

Hakjun Kim, Juan Anthony Prayogo, Bum Ho Jeong, Dong Ryeol Whang, Dong Wook Chang*, Hui Joon Park*

Nano Energy 142, 111231 (2025.09.01)

Near-Infrared Photodetection in Tin Halide Perovskites via Component Doping

Hansol Park, Cheong Beom Lee, Seon Jeong Lim, Hakjun Kim, Kyeounghak Kim*, Hui Joon Park*

Materials Science and Engineering R: Reports 165, 101013 (2025.07.01)

Buried Organic Interlayer for High-Performance and Stable Wide-Bandgap Perovskite Solar Cells

Haeun Kim, Soo Yeon Lee, Hansol Park, Jihyeon Heo, Hakjun Kim, Yoonsung Kim, Juan Anthony Prayogo, Young-Hoon Kim, Dong Ryeol Whang, Dong Wook Chang*, Hui Joon Park*

Chemical Engineering Journal 509, 161323 (2025.04.01)

RGB Color-Discriminable Photonic Synapse for Neuromorphic Visual System

Bum Ho Jeong, Jaewon Lee, Miju Ku, Dohyung Kim, Jongmin Lee, Seokhyun Ham, Kyu-Tae Lee*, Young Beom Kim*, Hui Joon Park*

Nano-Micro Letters 17, 78 (2025) (2024.11.29)

Enhancement of Interfacial Properties by Indoloquinoxaline-Based Small Molecules for Highly Efficient Wide-Bandgap Perovskite Solar Cells

Jihye Yong, Yu Kyung Lee, Hansol Park, Senthilkumar Muthu, Juhwan Shin, Dong Ryeol Whang, Bong-Gi Kim*, Dong Wook Chang*, Hui Joon Park*

Advanced Functional Materials 34, 2312505 (2024.04.03)

Highly Reliable 3D Channel Memory and Its Application in a Neuromorphic Sensory System for Finger Motion Tracking

Dohyung Kim, Cheong Beom Lee, Kyu Kwan Park, Hyeonsu Bang, Phuoc Loc Truong, Jongmin Lee, Bum Ho Jeong, Hakjun Kim, Sang Min Won, Do Hwan Kim, Daeho Lee, Jong Hwan Ko, Hyoung Won Baac*, Kyeounghak Kim*, Hui Joon Park*

ACS Nano 17, 24826 (2023.12.26)

Interfacial Modification of Wide-Bandgap Perovskite Solar Cell Approaching 20% with Organic Hole Transport Material

Jihyeon Heo, Seok Woo Lee, Jihye Yong, Hansol Park, Yu Kyung Lee, Juhwan Shin, Dong Ryeol Whang, Dong Wook Chang*, Hui Joon Park*

Chemical Engineering Journal 474, 145632 (2023.10.15)

Light-Enhanced Molecular Polarity Enabling Multispectral Color-Cognitive Memristor for Neuromorphic Visual System

Jongmin Lee, Bum Ho Jeong, Eswaran Kamaraj, Dohyung Kim, Hakjun Kim, Sanghyuk Park*, Hui Joon Park*

Nature Communications 14, 5775 (2023.09.18)
: [Featured in a Nature Communications Editors’ Highlights: 'Neuromorphic Hardware and Computing' section]
: [Featured in various media]

Room-Temperature-Processable Highly Reliable Resistive Switching Memory with Reconfigurability for Neuromorphic Computing and Ultrasonic Tissue Classification

Dohyung Kim, Hyeonsu Bang, Hyoung Won Baac, Jongmin Lee, Phuoc Loc Truong, Bumho Jeong, Tamilselvan Appadurai, Kyu Kwan Park, Donghyeok Heo, Vu Binh Nam, Hocheon Yoo, Kyeounghak Kim, Daeho Lee*, Jong Hwan Ko*, Hui Joon Park*

Advanced Functional Materials 33, 2213064 (2023.04.04)
: [Featured as Front Cover Image of Journal]
: [Featured in various media]

Synergistic Effect of Excited State Property and Aggregation Characteristic of Organic Semiconductor on Efficient Hole-Transportation in Perovskite Device

Bonghyun Jo, Hansol Park, Eswaran Kamaraj, Sewook Lee, Bumho Jung, Sivaraman Somasundaram, Gyeong G. Jeon, Kyu-Tae Lee, Namdoo Kim, Jong H. Kim, Bong-Gi Kim, Tae Kyu Ahn*, Sanghyuk Park*, Hui Joon Park*

Advanced Functional Materials 31, 2007180 (2021.01.27)
: [Featured as Cover Image of Journal]

Graded Heterojunction of Perovskite/Dopant-free Polymeric Hole-Transport Layer for Efficient and Stable Metal Halide Perovskite Devices

Zijia Li, Jaehong Park, Hansol Park, Jongmin Lee, Yeongkwon Kang, Tae Kyu Ahn*, Bong-Gi Kim*, Hui Joon Park*

Nano Energy 78, 105159 (2020.12.01)

Unravelling Doping Capability of Conjugated Polymers for Strategic Manipulation of Electric Dipole Layer toward Efficient Charge Collection in Perovskite Solar Cells

Jaehong Park, Sang Eun Yoon, Jongmin Lee, Dong Ryeol Whang, Sang Yeon Lee, So Jeong Shin, Ji Min Han, Hyungtak Seo, Hui Joon Park*, Jong H. Kim*, Bong-Gi Kim*

Advanced Functional Materials 30, 2001560 (2020.06.10)

Wide-Bandgap Perovskite/Gallium Arsenide Tandem Solar Cells

Zijia Li, Tae Hak Kim, Sung Yong Han, Yeo-Jun Yun, Seonghwa Jeong, Bonghyun Jo, Song Ah Ok, Woongbin Yim, Seung Hu Lee, Kangho Kim, Sunghyun Moon, Ji-Yong Park, Tae Kyu Ahn, Hyunjung Shin, Jaejin Lee*, Hui Joon Park*

Advanced Energy Materials 10, 201903085 (2020.02.11)
: [Featured as Cover Image of Journal]
: [Featured in various media (연합뉴스, 헤럴드경제, 뉴스1, 베리타스알파, 뉴스윅스, 녹색경제신문, 기계신문 등)]

Tailored Nanopatterning by Controlled Continuous Nanoinscribing with Tunable Shape, Depth, and Dimension

Dong Kyo Oh, Seungjo Lee, Seung Hu Lee, Wonseok Lee, Gyubeom Yeon, Nayeong Lee, Kang-Soo Han, Sunmin Jung, Dong Ha Kim, Dae-Young Lee, Sang Hoon Lee, Hui Joon Park*, Jong G. Ok*

ACS Nano 13, 11194 (2019.10.22)

Bifacial Passivation of Organic Hole Transport Interlayer for NiOx-Based p-i-n Perovskite Solar Cells

Zijia Li, Bong Hyun Jo, Su Jin Hwang, Tae Hak Kim, Sivaraman Somasundaram, Eswaran Kamaraj, Jiwon Bang, Tae Kyu Ahn, Sanghyuk Park*, Hui Joon Park*

Advanced Science 6, 1802163 (2019.03.20)

Management of Transition Dipoles in Organic Hole-Transporting Materials under Solar Irradiation for Perovskite Solar Cells

Song Ah Ok, Bonghyun Jo, Sivaraman Somasundaram, Hwi Je Woo, Dae Woon Lee, Zijia Li, Bong-Gi Kim, Jong H. Kim, Young Jae Song, Tae Kyu Ahn, Sanghyuk Park*, Hui Joon Park*

Nature Communications 9, 4537 (2018.10.31)
: [Featured in newspapers (파이낸셜뉴스, 아주경제, 대학저널, 이데일리, 경인일보, 등)]