Postdoctoral researcher
Published papers :
- "Rational Molecular Design Strategy for Host Materials in Thermally Activated Delayed Fluorescence-OLEDs Suitable for Solution
Processing"
Na Yeon Kwon†, Su Hong Park†, Chang Woo Koh, Jin Young Park, Min Ji Kang, Heume Il Baek, Junho Youn, Sungnam Park, Chang Wook
Han*, Min Ju Cho*, and Dong Hoon Choi*
Acs Appl. Mater. Interfaces, 15, 23, 28277-28287 (2023) († equally contributed.)
-"Simplified Y6-Based Nonfullerene Acceptors: In-Depth Study on Molecular Structure–Property Relation, Molecular Dynamics
Simulation, and Charge Dynamics"
Dohun Yuk†, Min Hun Jee†, Chang Woo Koh†, Won-Woo Park†, Hwa Sook Ryu, Dongchan Lee, Shinuk Cho, Shafket Rasool,
Sungnam Park*, Oh-Hoon Kwon*, Jin Young Kim*, Han Young Woo*
Small, 19, 2206547 (2023) († equally contributed.)
-"Work-function-tunable metal-oxide mesh electrode and novel soluble bipolar host for high-performance solution-processed
flexible TADF-OLED"
Nahyun Kim†, Jinhyo Hwang†, Ho Jin Lee, Na Yeon Kwon, Jin Young Park, Chang Woo Koh, Min Ju Cho, Sungnam Park, Dong Hoon
Choi*, Tae Geun Kim*
Nano Energy, 105, 108028 (2023) († equally contributed.)
-"Deep learning for development of organic optoelectronic devices: efficient prescreening of hosts and emitters in deep-blue fluorescent OLEDs"
Minseok Jeong†, Joonyoung F. Joung†, Jinhyo Hwang†, Minhi Han†, Chang Woo Koh, Dong Hoon Choi*, Sungnam Park*
npj Comput. Mater., 8, 147 (2022) († equally contributed.)
-"Sceptrin-Au Nano-Aggregates (SANA) for Overcoming Drug-resistant Gram-negative Bacteria"
Jong Min An†, Sangrim Kang†, Chang Woo Koh, Sungnam Park, Myung Sook Oh*, and Dokyoung Kim*
Nanoscale Horiz., 7, 873-882 (2022) († equally contributed.)
-"Aryl-Annulated [3,2-a] Carbazole-Based Deep-Blue Soluble Emitters for High-Efficiency Solution-Processed Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes with CIEy <0.1"
Jinhyo Hwang, Chang Woo Koh, Jung Min Ha, Han Young Woo, Sungnam Park*, Min Ju Cho*, and Dong Hoon Choi*
ACS Appl. Mater. Interfaces, 13, 61454-61462 (2021)
-"Access to the Triplet Excited States of Heavy-Atom-Free Boron-Dipyrromethene Photosensitizers via Radical Pair Intersystem Crossing for Image-Guided Tumor-Targeted Photodynamic Therapy"
Van-Nghia Nguyen†, Jeongsun Ha†, Chang Woo Koh†, Bokyeong Ryu, Gyoungmi Kim, Jae Hak Park, C-Yoon Kim*, Sungnam Park*, and Juyoung Yoon*
Chem. Mater., 33, 7889-7896 (2021) († equally contributed.)
-"A Simple Route toward Next-Generation Thiobase-Based Photosensitizers for Cancer Theranostics"
Van-Nghia Nguyen, Seonye Heo, Chang Woo Koh, Jeongsun Ha, Gyoungmi Kim, Sungnam Park*, and Juyoung Yoon*
ACS Sens., 6, 3462-3467 (2021)
-"Ultra-Deep-Blue Aggregation-Induced Delayed Fluorescence Emitters: Achieving Nearly 16% EQE in Solution-Processed Nondoped and
Doped OLEDs with CIEy < 0.1"
Hyung Jong Kim, Hyunchul Kang, Ji-Eun Jeong, Su Hong Park, Chang Woo Koh, Chai Won Kim, Han Young Woo, Min Ju Cho,*
Sungnam Park,* Dong Hoon Choi*
Adv. Func. Mater. 31, 2102588 (2021)
- "Ultranarrow Bandgap Naphthalenediimide‐Dialkylbifuran‐Based Copolymers with High‐Performance Organic Thin‐Film Transistors and All‐Polymer Solar Cells"
Shengbin Shi, Peng Chen, Hang Wang, Chang Woo Koh, Mohammad Afsar Uddin, Bin Liu, Qiaogan Liao, Kui Feng, Han Young Woo
Guomin Xiao
Macromol. Rapid Commun., 41, 2000144 (2020)
- "2D Star‐Shaped Non‐Fullerene Electron Acceptors with Modulation of J‐/H‐Type Aggregations: Molecular Design–Morphology–Electrical
Property Correlation"
Chang Woo Koh, Hye Won Cho, Md Al Mamunur Rashid, Tack Ho Lee, Song Yi Park, Wonho Lee, Kyungwon Kwak, Jin Young Kim,
Han Young Woo
Adv. Mater. Technol., 5, 2000174 (2020)
- "Stable Organic Diradicals Based on Fused Quinoidal Oligothiophene Imides with High Electrical Conductivity"
Kun Yang, Xianhe Zhang, Alexandra Harbuzaru, Lei Wang, Yang Wang, Changwoo Koh, Han Guo, Yongqiang Shi, Jianhua Chen,
Huiliang Sun
J. Am. Chem. Soc., 142, 4329 (2020)
- "Measuring Competing Recombination Losses in a Significantly Reduced Langevin System by Steady-State Photoinduced Absorption and
Photocurrent Spectroscopy"
Le Quang Phuong, Seyed Mehrdad Hosseini, Chang Woo Koh, Han Young Woo, Safa Shoaee
J. Phys. Chem. C, 123, 27417 (2019)
- "Imide‐Functionalized Heteroarene‐Based n‐Type Terpolymers Incorporating Intramolecular Noncovalent Sulfur∙∙∙ Oxygen Interactions for
Additive‐Free All‐Polymer Solar Cells",
Huiliang Sun, Bin Liu, Chang Woo Koh, Yujie Zhang, Jianhua Chen, Yang Wang, Peng Chen, Bao Tu, Maoyao Su, Hang Wang,
Adv. Funct. Mater., 29, 1903970 (2019)
- "Backbone Coplanarity Tuning of 1, 4-Di (3-alkoxy-2-thienyl)-2, 5-difluorophenylene-Based Wide Bandgap Polymers for Efficient Organic
Solar Cells Processed from Nonhalogenated Solvent"
Qiaogan Liao, Kun Yang, Jianhua Chen, Chang Woo Koh, Yumin Tang, Mengyao Su, Yang Wang, Yinhua Yang, Xiyuan Feng, Zhubing He,
ACS Appl. Mater. Interfaces, 11, 31119 (2019)
- "Dopant‐free small‐molecule hole‐transporting material for inverted perovskite solar cells with efficiency exceeding 21%",
Yang Wang, Wei Chen, Lei Wang, Bao Tu, Tian Chen, Bin Liu, Kun Yang, Chang Woo Koh, Xianhe Zhang, Huiliang Sun,
Adv. Mater., 31, 1902781 (2019)
- "Conjugated Polymer–Assisted Grain Boundary Passivation for Efficient Inverted Planar Perovskite Solar Cells",
Wei Chen, Yingfeng Wang, Guotao Pang, Chang Woo Koh, Aleksandra B Djurišić, Yinghui Wu, Bao Tu, Fang‐zhou Liu, Rui Chen,
Han Young Woo,
Adv. Funct. Mater., 29, 1808855 (2019)
- "Facile Synthesis of Polycyclic Aromatic Hydrocarbon (PAH)–Based Acceptors with Fine‐Tuned Optoelectronic Properties: Toward Efficient
Additive‐Free Nonfullerene Organic Solar Cells",
Yang Wang, Bin Liu, Chang Woo Koh, Xin Zhou, Huiliang Sun, Jianwei Yu, Kun Yang, Hang Wang, Qiaogan Liao, Han Young Woo,
Adv. Energy Mater., 9, 1803976 (2019)
- "Ultra-thick semi-crystalline photoactive donor polymer for efficient indoor organic photovoltaics",
Sang-Chul Shin, Chang Woo Koh, Premkumar Vincent, Ji Soo Goo, Jin-Hyuk Bae, Jae-Joon Lee, Changhwan Shin, Hyeok Kim,
Han Young Woo, Jae Won Shim,
Nano Energy, 58, 466 (2019)
- "High‐performance all‐polymer solar cells enabled by an n‐type polymer based on a fluorinated imide‐functionalized arena",
Huiliang Sun, Yumin Tang, Chang Woo Koh, Shaohua Ling, Ruizhi Wang, Kun Yang, Jianwei Yu, Yongqiang Shi, Yingfeng Wang,
Han Young Woo,
Adv. Mater., 31, 1807220 (2019)
- "Improved photovoltaic performance of a nonfullerene acceptor based on a benzo [b] thiophene fused end group with extended
π-conjugation",
Kun Yang, Qiaogan Liao, Chang Woo Koh, Jianhua Chen, Mengyao Su, Xin Zhou, Yumin Tang, Yang Wang, Youming Zhang,
Han Young Woo,
J. Mater. Chem. A, 7, 9822 (2019)
- "Semitransparent FAPbI3‐xBrx Perovskite Solar Cells Stable under Simultaneous Damp Heat (85° C/85%) and 1 Sun Light Soaking",
Jin Hyuck Heo, Yong Kyu Choi, Chang Woo Koh, Han Young Woo, Sang Hyuk Im,
Adv. Mater. Technol., 4, 1800390 (2019)
- "Phthalimide‐Based High Mobility Polymer Semiconductors for Efficient Nonfullerene Solar Cells with Power Conversion Efficiencies
over 13%",
Jianwei Yu, Peng Chen, Chang Woo Koh, Hang Wang, Kun Yang, Xin Zhou, Bin Liu, Qiaogan Liao, Jianhua Chen, Huiliang Sun,
Adv. Sci., 6, 1801743 (2019)
- "High‐Performance Eight‐Membered Indacenodithiophene‐Based Asymmetric A‐D‐A Type Non‐Fullerene Acceptors",
Chao Li, Jiali Song, Linglong Ye, Changwoo Koh, Kangkang Weng, Huiting Fu, Yunhao Cai, Yuanpeng Xie, Donghui Wei, Han Young Woo,
Solar RRL, 3, 1800246 (2019)
- "Hot slot die coating for additive-free fabrication of high performance roll-to-roll processed polymer solar cells",
Seyeong Song, Kang Taek Lee, Chang Woo Koh, Hyebeom Shin, Mei Gao, Han Young Woo, Doojin Vak, Jin Young Kim,
Energy Environ. Sci., 11, 3248 (2018)
- "Impact of Terminal End-Group of Acceptor–Donor–Acceptor-type Small Molecules on Molecular Packing and Photovoltaic Properties",
Sang Woo Kim, Yu Jeong Lee, Young Woong Lee, Chang Woo Koh, Yeran Lee, Min Je Kim, Kin Liao, Jeong Ho Cho, Bumjoon J Kim,
Han Young Woo,
ACS Appl. Mater. Interfaces, 10, 39952 (2018)
- "Polymer semiconductors incorporating head-to-head linked 4-alkoxy-5-(3-alkylthiophen-2-yl) thiazole",
Xin Zhou, Peng Chen, Chang Woo Koh, Sheng Chen, Jianwei Yu, Xianhe Zhang, Yumin Tang, Luca Bianchi, Han Guo, Han Young Woo,
RSC advances, 8, 35724 (2018)
- "Extension of indacenodithiophene backbone conjugation enables efficient asymmetric A–D–A type non-fullerene acceptors",
Jiali Song, Chao Li, Linglong Ye, Changwoo Koh, Yunhao Cai, Donghui Wei, Han Young Woo, Yanming Sun,
J. Mater. Chem. A, 6, 18847 (2018)
- "Synthesis and Characterization of a 2‐(1, 1‐Dicyanomethylene) rhodanine‐based Nonfullerene Acceptor for OPVs",
Changwoo Koh, Eunhee Lim,
Bull. Korean Chem. Soc., 39, 555 (2018)
- "Systematic Optical Design of Constituting Layers to Realize High‐Performance Red‐Selective Thin‐Film Organic Photodiodes",
Seongwon Yoon, Chang Woo Koh, Han Young Woo, Dae Sung Chung,
Adv. Opt. Mater., 6, 1701085 (2018)
- "Enhanced Efficiency and Long-Term Stability of Perovskite Solar Cells by Synergistic Effect of Nonhygroscopic Doping in Conjugated
Polymer-Based Hole-Transporting Layer",
Chang Woo Koh, Jin Hyuck Heo, Mohammad Afsar Uddin, Young-Wan Kwon, Dong Hoon Choi, Sang Hyuk Im, Han Young Woo,
ACS Appl. Mater. Interfaces, 9, 43846 (2017)