Alumni
고창우 (Chang Woo Koh)
Ph.D. (2023.02)
Dissertation: "A Correlation between Structural and Photoelectrical Property for Organic Semiconductors:
Experimental and Computational Analysis"
Currently employed by SK hynix
- "Dual Multi-Resonance green emitter with steric shielding and core distortion for Solution-Processed TADF-OLEDs"
Na Yeon Kwon†, Chang Woo Koh†, Su Hong Park†, Haeun Kwak†, Ha Yeon Kim, Chae Yeong Park, Nagaraju Peethani, Jin Young Park,
Sojin Kim, Kyoungsuk Jin, Chang Seop Hong, Min Ju Cho*, Sungnam Park*, Dong Hoon Choi*
Chem. Eng. J., 506,160139 (2025) († equally contributed.)
- "Modulation of Interchain Packing Orientation by Varying a Branch Point of Alkyl Substituent: Molecular Dynamics Simulation and
Electrical Properties"
Jae Hoon Son†, Chang Woo Koh†, Nahyun Jeong†, Jeongmin Son†, Kyung-Geun Lim*, Jin Young Kim*, Sungnam Park*,
and Han Young Woo*
ACS. Apply. Poly. Mater., 6, 7551–7560 (2024) († equally contributed.)
- "Overcoming melanin interference in melanocyte photodynamic therapy with a pyrene-derived two-photon photosensitizer"
Vinayak Juvekar†, Yu Cao†, Chang Woo Koh†, Dong Joon Lee, Sun Young Kwak, Sun Mi Kim, Tae Jun Park, Sungnam Park*,
Chem. Eng. J., 493, 152796 (2024) († equally contributed.)
- "Precision-Engineered Medium-Sized Molecular Host and Emitter for Ensuring Consistent Performance in Solution-Processed
Narrowband OLEDs"
Chang Seop Hong, Sungnam Park*, Min Ju Cho*, and Dong Hoon Choi*
ACS Appl. Mater. Interfaces, 16, 16553 (2024)
- "Eco-friendly solution-processed narrowband OLEDs using non-halogenated aliphatic solvent systems"
Su Hong Park†, Na Yeon Kwon†, Chang Woo Koh†, Jin Young Park, Min Ji Kang, Haeun Kwak, Chae Yeong Park, Sungnam Park*,
Chem. Eng. J., 481, 148484 (2024) († equally contributed.)
- "Polymeric amino-single-benzene nano-aggregates (PANA) as a Next-Generation glioblastoma photodynamic therapy"
Jaehoon Kim†, Jin Hee Kim†, Eun Woo Seo, Youngwoong Kim, Jisoo Kang, Chang Woo Koh, In Gyoung Ju, Hyeyoon Eo, Sungnam Park,
Myung Sook Oh*, Dokyoung Kim*
Chem. Eng. J., 479, 147703 (2024) († equally contributed.)
- "Novel π-Extended Indolocarbazole-Based Deep-Blue Fluorescent Emitter with Remarkably Narrow Bandwidth for Solution-Processed
Organic Light-Emitting Diodes"
Sung Hoon Jung, Su Hong Park, Na Yeon Kwon, Jin Young Park, Min Ji Kang, Chang Woo Koh, Min Ju Cho*, Sungnam Park*,
and Doong Hoon Choi*
Acs Appl. Mater. Interfaces, 15, 56106-56115 (2023)
- "Rational Design of a TADF Emitter with Steric Shielding and Multiple Resonance for Narrowband Solution-Processed OLEDs"
Nagaraju Peethani†, Na Yeon Kwon†, Chang Woo Koh†, Su Hong Park, Jung Min Ha, Min Ju Cho*, Han Young Woo,
Sungnam Park*, Dong Hoon Choi*
Adv. Opt. Mater., 12, 2301217 (2023) (Link) († equally contributed.)
- "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)
정민석 (Minseok Jeong)
M.S. (2023.02)
Thesis: "Deep learning model for predicting electrochemical properties of organic
optoelectronic materials"
Currently employed by SK hynix
- "In Situ Activatable Nitrobenzene–Cysteine–Copper(II) Nano-complexes for Programmed Photodynamic Cancer Therapy"
Jisoo Kang†, Hwajun Jeong, Minseok Jeong, Jaehoon Kim, Sungnam Park, Junyang Jung*, Jong Min An*, and Dokyoung Kim*
J. Am. Chem. Soc., 145, 27587-27600 (2023)
-"Janus-Type ESIPT Chromophores with Distinctive Intramolecular Hydrogen-bonding Selectivity"
Yahui Chen†, Sheng Lu†, Syed Ali Abbas Abedi†, Minseok Jeong†, Haidong Li, Myung Hwa Kim*, Sungnam Park*,
Xiaogang Liu*, Juyoung Yoon*, Xiaoqiang Chen*
Angew. Chem.-Int. Edit., 62, 40, e202311543 (2023) († equally contributed.)
-"Reliable experimental method for determination of photoacidity revealed by quantum chemical calculations"
Joonyoung F. Joung†, Minseok Jeong† and Sungnam Park*
Phys. Chem. Chem. Phys., 24, 21714-21721 (2022) († 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.)
-"Beyond Woodward–Fieser Rules: Design Principles of Property-Oriented Chromophores Based on Explainable Deep
Learning Optical Spectroscopy"
Joonyoung F. Joung, Minhi Han, Minseok Jeong, and Sungnam Park*
J. Chem. Inf. Model. 62, 12, 2933–2942 (2022) Journal Cover
- "Deep Learning Optical Spectroscopy Based on Experimental Database: Potential Applications to Molecular Design"
Joonyoung F. Joung†, Minhi Han†, Jinhyo Hwang, Minseok Jeong, Dong Hoon Choi, and Sungnam Park*
JACS Au, 1, 427-438 (2021) († equally contributed.)
- "DB for chromophore"
Joonyoung F. Joung†, Minhi Han†, Minseok Jeong, and Sungnam Park*
Figshare, doi.org/10.6084/m9.figshare.12045567.v1 (2020) († equally contributed.)
- "Experimental database of optical properties of organic compounds"
Joonyoung F. Joung†, Minhi Han†, Minseok Jeong, and Sungnam Park*
Sci. Data, 7, 295 (2020) († equally contributed.)
이효성 (Hyoseong, Lee)
M.S. (2022.08)
Thesis : “Exciton and charge dynamics in organic light emitting diodes with bipolar
and unipolar host materials"
Currently employed by LG Energy Solution
- "High-efficiency solution-processed green thermally activated delayed fluorescence OLEDs using a polymer-small molecule mixed host"
Seunguk Cho, Na Yeon Kwon, Chai Won Kim, Hyoseong Lee, Jung Min Ha, Hyung Jong Kim, Han Young Woo, Sungnam Park, Min Ju Cho* and Dong Hoon Choi *
Polym. Chem., 13, 1824 (2022)
- "Novel V-Shaped Bipolar Host Materials for Solution-Processed Thermally Activated Delayed Fluorescence OLEDs"
Dong Won Lee, Jinhyo Hwang, Hyung Jong Kim, Hyoseong Lee, Jung Min Ha, Han Young Woo, Sungnam Park*, Min Ju Cho*, and Dong Hoon Choi*
ACS Appl. Mater. Interfaces, 13, 49076-49084 (2021)
- "Enhanced Optical Properties and Stability of CsPbBr3 Nanocrystals Through Nickel Doping"
Hayeong Kim, Sa‐Rang Bae, Tae Hyung Lee, Hyoseong Lee, Heemin Kang, Sungnam Park, Ho Won Jang*, Soo Young Kim*
Adv. Funct. Mater., 31, 2102770 (2021)
- “Controllable coating and reshaping of gold nanorods with tetracyanoquinodimethane”
Jaedeok Lee, Hyoseong Lee, Collins Kiguye, Cheongwon Bae, and Juyeong Kim*
Chem. Commun., 55, 11731-11734 (2019)
김영서 (Kim, Youngseo)
Ph.D. (2022.08)
Dissertation: "Spectroscopic and computational studies on singlet fission in perylenediimide
aggregates and energy transfer in host:sensitizer:emitter films"
Currently employed by Samsung Electronics
- "Perovskite Nanocrystals Protected by Hermetically Sealing for Highly Bright and Stable Deep-Blue Light-Emitting Diodes"
Yongju Hong†, Chungman Yu†, Hyeondoo Je†, Jin Young Park†, Taekyung Kim, Hionsuck Baik, Gracita M. Tomboc, Youngseo Kim, Jung Min Ha, Jinwhan Joo, Chai Won Kim, Han Young Woo, Sungnam Park, Dong Hoon Choi*, Kwangyeol Lee*
Adv. Sci., 10, 2302906 (2023) († equally contributed.)
- "Wavelength engineerable porous organic polymer photosensitizers with protonation triggered ROS generation"
Jinwoo Shin, Dong Won Kang, Jong Hyeon Lim, Jong Min An, Youngseo Kim, Ji Hyeon Kim, Myung Sun Ji, Sungnam Park*, Dokyoung Kim*,
Jin Yong Lee*, Jong Seung Kim*, Chang Seop Hong*
Nat. Commun., 14, 1498 (2023)
- "Solvent mediated thermodynamically favorable helical supramolecular self-assembly: recognition behavior towards achiral
and chiral analytes"
Meenal Kataria, Youngseo Kim, Hong Diem Chau, Na Yeon Kwon, Yongju Hong, Taekyung Kim, Jaewan Ko, Myung Kook Son, Joona Bang,
Sungam Park, Hugh I. Kim, Kwangyeol Lee and Dong Hoon Choi*
J. Mater. Chem. C, 10, 10679-10685 (2022) († equally contributed.)
- "Promoted Type I and II ROS Generation by a Covalent Organic Framework through Sonosensitization and PMS Activation"
Dong Won Kang†, Ji Hyeon Kim†, Jong Hyeon Lim†, Youngseo Kim, Minjung Kang, Jinwoo Shin, Subin Son, Hongryeol Yun,
Sungnam Park, Jin Young Lee*, Jong Seung Kim*, and Chang Seop Hong*
ACS Catal., 12, 9621-9628 (2022) († equally contributed.)
- "Improved Photovoltaic Performance of Ternary All-Polymer Solar Cells by Incorporating a New Y6-based Polymer Acceptor and PC61BM"
Hong Diem Chau, Meenal Kataria, Na Yeon Kwon, Su Hong Park, Youngseo Kim, Hungu Kang, Amit Kumar Harit, Han Young Woo, Hyo Jae Yoon, Sungnam Park, Min Ju Cho and Dong Hoon Choi*
Macromol. Res., 30, 587-596 (2022)
- "Development of a fluorescent nanoprobe based on an amphiphilic single-benzene-based fluorophore for lipid droplets detection and its practical applications"
Yuna Jung, Ji Hye Jin, Youngseo Kim, Ji Hyeon Oh, Heechang Moon, Huisu Jeong, Jaehoon Kim, Yoon Kyung Park, Yohan Oh,
Sungnam Park, and Dokyoung Kim*
Org. Biomol. Chem., 20, 5423-5433(2022)
- "Photocatalytic detoxification of a sulfur mustard simulant under realistic conditions by imidazoline-based porous organic polymer composites"
Hyojin Kim†, Jinwoo Shin†, Dong Won Kang†, Youngseo Kim†, Ji Hyeon Kim, Minjung Kang, Jong Hyeak Choe, Sungnam Park,
Jong Seung Kim, and Chang Seop Hong
Cell Reports Physical Science, 18, 100888 (2022) († equally contributed.)
- "Donor-σ-Acceptor Dyad-Based Polymers for Portable Sensors: Controlling Photoinduced Electron Transfer via Tuning the Frontier Molecular
Orbital Energies of Acceptors"
Na Yeon Kwon†, Youngseo Kim†, Meenal Kataria†, Su Hong Park, Seunguk Cho, Amit Kumar Harit, Han Young Woo, Min Ju Cho,
Sungnam Park*, and Dong Hoon Choi*
Macromolecules, 55, 1609-1619 (2022) († equally contributed.)
- "An unconventional nano-AIEgen originating from a natural plant polyphenol for multicolor bioimaging"
Lei Lu†, Mengyao Yang†, Youngseo Kim†, Tingting Zhang, Nahyun Kwon, Haidong Li, Sungnam Park*, and Juyoung Yoon*
Cell Reports Physical Science, 3, 100745 (2022) († equally contributed.)
- "Singlet Fission Dynamics of Colloidal Nanoparticles of a Perylenediimide Derivative in Solutions"
Youngseo Kim, Minhi Han, Chiho Lee, and Sungnam Park*
J. Phys. Chem. B, 125, 7967-7974 (2021)
- "Pyrazine-based hollow spherical self-assemblies: A portable tool for detection of volatile organic amines"
Meenal Kataria, Jinhyo Hwang, Hong Diem Chau, Na Yeon Kwon, Dong Won Lee, Taekyung Kim, Kwangyeol Lee, Youngseo Kim, Sungnam Park, Dong Hoon Choi*
Sensor. Actuat. B-Chem., 343, 130110 (2021)
- "Dynamics of Photoinduced Energy Transfer in Fully and Partially Conjugated Polymers Bearing pi-Extended Donor and Acceptor Monomers "
Youngseo Kim†, Na Yeon Kwon†, Su Hong Park, Min Ju Cho, Dong Hoon Choi*, Sungnam Park*
Front. Chem., 8, 605403 (2020) († equally contributed.)
- "Structure, photoluminescence, and magnetic properties of a Mn(II)-based metal-organic framework"
Hyojin Kim†, Sunhwi Eom†, Sora Park†, Dong Won Kang, Mengmeng Wang, Youngseo Kim, Sungnam Park, Wei Shi* , Chang Seop Hong*
New J. Chem., 44, 18694-18702 (2020)
-“Visualizing Mitochondria and Mouse Intestine with a Fluorescent Complex of a Naphthalene-based Dipolar Dye and Serum Albumin”
Jong Min An, Heejo Moon, Yejin Kim, Sangrim Kang, Youngseo Kim, Yuna Jung, Sungnam Park, Peter Verwilst*, Byung Moon Kim*, Jae
Seung Kang* and Dokyoung Kim*
J. Mater. Chem. B, 8, 7642-7651 (2020)
-“Articulated Structures of D-A Type Dipolar Dye with AIEgen: Synthesis, Photophysical Properties, and Applications”
Na Hee Kim†, Byeong Wook Kim†, Youngseo Kim†, Junho K. Hur, Junang Jung, Yohan Oh, Sungnam Park*, B. Moon Kim*, and Dokyoung Kim*
Materials, 13, 1939 (2020) († equally contributed.)
- “5H-Benzo[d]Benzo[4,5]Imidazo[2,1-b][1,3]Thiazine as a Novel Electron-Acceptor Cored High Triplet Energy Bipolar Host Material for Efficient Solution-Processable Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes”
Mallesham Godumala, Jiwon Yoon, Seo Yeon Park, Chiho Lee, Youngseo Kim, Ji-Eun Jeong, Sungnam Park, Han Young Woo, Min Ju Cho,
and Dong Hoon Choi*
Front. Chem., 8, 61 (2020)
-“Significantly Improved Morphology and Efficiency of Nonhalogenated Solvent‐Processed Solar Cells Derived from a Conjugated Donor– Acceptor Block Copolymer”
Su Hong Park, Youngseo Kim, Na Yeon Kwon, Young Woong Lee, Han Young Woo, Weon-Sik Chae, Sungnam Park, Min Ju Cho*, and Dong Hoon Choi*
Adv. Sci., 7, 1902470 (2020)
- “Facile One-pot Polymerization of a Fully Conjugated Donor-acceptor Block Copolymer and its Application to Efficient Single Component
Polymer Solar Cells”
Chang Geun Park†, Su Hong Park†, Youngseo Kim†, Thanh Luan Nguyen, Han Young Woo, Hungu Kang, Hyo Jae Yoon, Sungnam Park*,
Min Ju Cho*, and Dong Hoon Choi*
J. Mater. Chem. A. 7, 21280-21289 (2019) († equally contributed.)
- “Solution-processed white organic light-emitting diodes with blue fluorescent and orange-red thermally activated delayed fluorescent
dendritic luminogens”
Jiwon Yoon, Suna Choi, Cheol Hun Jeong, Seong Keun Kim, Hyuna Lee, Youngseo Kim, Jang Hyuk Kwon, Sungnam Park, Min Ju Cho*,
and Dong Hoon Choi*
Dyes Pigm. 170, 107650 (2019)
-“A Bright Blue Fluorescent Dextran for Two-photon in Vivo Imaging of Blood Vessels”
Seo Hyeon Lee†, Young Ho Choe†, Rae Hyung Kang†, Yu Rim Kim, Na Hee Kim, Sangrim Kang, Youngseo Kim, Sungnam Park, Young-Min Hyun*, and Dokyoung Kim*
Bioorganic Chem., 89, 103019 (2019) († equally contributed.)
-“High Stability of a Donor−Acceptor Type Oxazepine-Containing Fluorophore and Its Applications in Cellular Imaging and Two-Photon
Deep Tissue Imaging”
Heejo Moon†, Yuna Jung†, Youngseo Kim†, Byeong Wook Kim, Jin Gyu Choi, Na Hee Kim, Myung Sook Oh, Sungnam Park*, B. Moon
Kim*, and Dokyoung Kim*
Org. Lett., 21, 3891-3894 (2019) († equally contributed.)
- “Hydrazine Exposé: The Next-Generation Fluorescent Probe”
Yuna Jung, In Gyoung Ju, Young Ho Choe, Youngseo Kim, Sungnam Park, Young-Min Hyun*, Myung Sook Oh*, and Dokyoung Kim*
ACS Sens., 4, 441-449 (2019)
- "A wavelength-tunable and facilely functionable D-A type naphthalene core skeleton: Synthesis, photophysical property, and bio-imaging applications for cells and tissues"
Yuna Jung†, Youngseo Kim†, Na Hee Kim, Junho Lee, Kang-Hoon Kim, Junyang Jung, Youngbuhm Huh, Hyeung-Jin Jang*, Jinmyoung Joo*, Sungnam Park*, Dokyoung Kim*
Dyes Pigm., 162, 104-111 (2019) († equally contributed.)
- “Discriminative Molecular Detection Based on Competitive Absorption by a Luminescent Metal-Organic Framework”
Sunhwi Eom†, Han Geul Lee†, Dong Won Kang, Minjung Kang, Hyojin Kim, Youngseo Kim, Sungnam Park, Dohyun Moon, and
Chang Seop Hong*
ACS Appl. Mater. Interfaces, 10, 40372-40377 (2018) († equally contributed.)
- "High-Performance Polymer Solar Cell with Single Active Material of Fully Conjugated Block Copolymer Composed of Wide-
Band gap Donor and Narrow-Band gap Acceptor Blocks"
Ji Hyung Lee, Chang Geun Park, Aesun Kim, Hyung Jong Kim, Youngseo Kim, Sungnam Park, Min Ju Cho*, and Dong Hoon Choi*
ACS Appl. Mater. Interfaces, 10, 18974-18983 (2018)
- “Electronic relaxation dynamics of PCDA-PDA studied by transient absorption spectroscopy”
Joonyoung Francis Joung, Junwoo Baek, Youngseo Kim, Songyi Lee, Myung Hwa Kim, Juyoung Yoon*, and Sungnam Park*
Phys. Chem. Chem. Phys., 18, 23096-23104 (2016)
강현철 (Kang, Hyunchul)
M.S. (2021.02)
Thesis : “Resonance energy transfer dynamics of dopant molecules in host matrices used in thermally
activated delayed fluorescence-based OLED"
Currently employed by Samsung Display
-"Exciton energy transfer and bi-exciton annihilation in the emitting layers of thermally activated delayed fluorescence-based OLEDs"
Hyunchul Kang, Han Jin Ahn, Gyeong Woo Kim, Ji-Eun Jeong, Han Young Woo, Jun-Yun Kim,* and Sungnam Park*
J. Mater. Chem. C, 21, 15141-15149 (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., 2021, 31, 2102588 (2021)
- "Photo-Fenozyme Nanoparticles Based on Fe(II)-Coordination-Driven Cyanine-Based Amino Acid Assembly for Photodynamic
Ferrotherapy"
Jingjing Han†, Hyunchul Kang†, Xingshu Li, Nahyun Kwon, Haidong Li, Sungnam Park*, and Juyoung Yoon*
ACS Appl. Nano Mater., 4, 6, 5954–5962 (2021) († equally contributed.)
- "Switchable stimulated Raman scattering microscopy with photochromic vibrational probes"
Jianpeng Ao, Xiaofeng Fang, Xianchong Miao, Jiwei Ling, Hyunchul Kang, Sungnam Park, Changfeng Wu*, and Minbiao Ji*
Nat. Commun., 12, 3089 (2021)
- "Donor engineered Deep-Blue emitters for tuning luminescence mechanism in Solution-Processed OLEDs"
Jinhyo Hwang†, Hyunchul Kang†, Ji-Eun Jeong, Han Young Woo, Min Ju Cho*, Sungnam Park*, Dong Hoon Choi*
Chem. Eng. J., 416, 129185 (2021) († equally contributed.)
- "Universal Polymeric Bipolar Hosts for Highly Efficient Solution-Processable Blue and Green Thermally Activated Delayed Fluorescence OLEDs"
Jin Hyo Hwang†, Chae Yeong Kim†, Hyunchul Kang, Ji-Eun Jeong, Han Young Woo, Min Ju Cho*, Sungnam Park,Dong Hoon Choi*
J. Mater. Chem. C, 8, 16048-16056, (2020) († equally contributed.)
- “High Performance Solution-Processable Thermally Activated Delayed Fluorescent OLEDs Realized via the Adjustment of the composition of the Organoboron Acceptor Monomer in Copolymer Host Materials”
Mallesham Godumala, Jinhyo Hwang, Hyunchul Kang, Ji-Eun Jeong, Amit Harit, Min Ju Cho, Han Young Woo, Sungnam Park*,
and Dong Hoon Choi*
ACS Appl. Mater. Interfaces, 12, 35300-35310 (2020)
- "Structural isomers of 9-(pyridin-2-yl)-9H-carbazole in combination with 9′H-9,3':6′,9″-tercarbazole and their application to high efficiency solution processed green TADF OLEDs”
Jinhyo Hwang, Jiwon Yoon, Chae Yeong Kim, Suna Choi, Hyunchul Kang, Jun Yun Kim, Dae-Wi Yoon, Chang Wook Han, Sungnam Park, Min Ju Cho,* Dong Hoon Choi*
Dyes Pigm., 179, 108403 (2020)
- “Rational design of a novel isoindigo-based conjugated terpolymer with panchromatic absorption and its application to polymer
solar cells”
Na Yeon Kwon, Hyunchul Kang, Su Hong Park, Hyung Jong Kim, Chae Yeong Kim, Sungnam Park, Min Ju Cho,* Dong Hoon Choi*
Dyes Pigm., 179, 108391 (2020)
김소영 (Kim, So-young)
M.S. (2021)
Thesis : “Application of NMR spectroscopy to probe structural characteristics of pre-miRNA-155 and
molecular interactions of deep eutectic solvents"
한국과학기술연구원 (KIST) 학연생 (김낙균 박사)
Currently employed by GENUONE Sciences
김상인 (Kim, Sangin)
M.S. (2020.08)
Thesis : “Quantum chemical studies on efficient triplet formation in photosensitizers for photodynamic
therapy"
Currently employed by Samsung Biologics
- "Rational Molecular Design of Azaacene-Based Narrowband Green-Emitting Fluorophores: Modulation of Spectral Bandwidth and
Vibronic Transitions"
Jung Min Ha†, Hye Beom Shin†, Joonyoung Francis Joung†, Won Jae Chung, Ji-Eun Jeong, Sangin Kim, Seon Hyoung Hur,
Suk-Young Bae, Jun-Yun Kim, Jun Yeob Lee*, Sungnam Park*, and Han Young Woo*
ACS Appl. Mater. Interfaces, 13, 26227-26236 (2021) († equally contributed.)
- "Highly Efficient Aggregation-Induced Red-Emissive Organic Thermally Activated Delayed Fluorescence Materials with Prolonged
Fluorescence Lifetime for Time-Resolved Luminescence Bioimaging"
Sujie Qi†, Sangin Kim†, Van-Nghia Nguyen*, Youngmee Kim, Guangle Niu, Gyoungmi Kim, Sung-Jin Kim, Sungnam Park*, and
ACS Appl. Mater. Interfaces, 12, 51293-51301 (2020) († equally contributed.)
-“A thiocoumarin-based turn-on fluorescent probe for hypochlorite detection and its application to live-cell imaging”
Van-Nghia Nguyen†, Seonye Heo†, Sangin Kim, K.M.K. Swamy, Jeongsun Ha, Sungnam Park*, and Juyoung Yoon*
Sensor. Actuat. B-Chem., 317, 128213 (2020) († equally contributed.)
- “Molecular Design of Highly Efficient Heavy‐Atom‐Free Triplet BODIPY Derivatives for Photodynamic Therapy and Bioimaging”
Van-Nghia Nguyen,† Yubin Yim,† Sangin Kim,† Bokyeong Ryu, K. M. K. Swamy, Gyoungmi Kim, Nahyun Kwon, C-Yoon Kim,*
Sungnam Park,* and Juyoung Yoon*
Angew. Chem. Int. Ed., 59, 8957-8962 (2020) († equally contributed.)
- “An emerging molecular design approach to heavy-atom-free photosensitizers for enhanced photodynamic therapy under hypoxia”
Van-Nghia Nguyen†,Sujie Qi†, Sangin Kim†, Nahyun Kwon, Gyoungmi Kim, Yubin Yim, Sungnam Park*, and Juyoung Yoon*
J. Am. Chem. Soc., 141, 16243-16248 (2019) († equally contributed.)
- "Cationic Effect on the Equilibria and Kinetics of the Excited-State Proton Transfer Reaction of a Photoacid in Aqueous Solutions"
Joonyoung F. Joung†, Sangin Kim†, and Sungnam Park*
J. Phys. Chem. B, 122, 5087-5093 (2018) († equally contributed.)
- "Ionic effect on the excited-state proton transfer reactions in aqueous solutions"
Joonyoung Francis Joung, Sangin Kim and Sungnam Park *
Phys. Chem. Chem. Phys., 19, 25509-25517 (2017)
- “Effect of NaCl Salts on the Activation Energy of Excited-State Proton Transfer Reaction of Coumarin 183”
Joonyoung Francis Joung, Sangin Kim, and Sungnam Park*
J. Phys. Chem. B, 119, 15509-15515 (2015)
정준영 (Joung, Joonyoung F.)
Ph.D. (2020.08)
Dissertation: "Spectroscopic and computational studies on excited state inter- and intra-molecular proton
transfer and hydroxide ion dissociation reactions"
Currently Assistant Professor at Kookmin University
- "Generative Deep Learning-Based Efficient Design of Organic Molecules with Tailored Properties"
Minhi Han†, Joonyoung F. Joung†, Minseok Jeong, Dong Hoon Choi, Sungnam Park*
ACS Central Sci., ASAP (2024) († equally contributed.)
-"Universal surface tailoring of perovskite nanocrystals via organic pseudohalide ligands applicable to green and blue light-
emitting diodes"
Jaewan Ko†, Hyeondoo Je†, Kitae Kim, Taejun Eom, Joonyoung F. Joung, Sungnam Park, Joona Bang*, and Dong Hoon Choi*
J. Mater. Chem. C, 10, 18226-18233 (2022) (Link) († equally contributed.)
-"Reliable experimental method for determination of photoacidity revealed by quantum chemical calculations"
Joonyoung F. Joung†, Minseok Jeong† and Sungnam Park*
Phys. Chem. Chem. Phys., 24, 21714-21721 (2022) († 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.)
-"Beyond Woodward–Fieser Rules: Design Principles of Property-Oriented Chromophores Based on Explainable Deep
Learning Optical Spectroscopy"
Joonyoung F. Joung, Minhi Han, Minseok Jeong, and Sungnam Park*
J. Chem. Inf. Model. 62, 12, 2933–2942 (2022) Journal Cover
- "Pyridine-NBD: A homocysteine-selective fluorescent probe for glioblastoma (GBM) diagnosis based on a blood test"
Youngwoong Kim†, Jong Min An†, Jaehoon Kim†, Tamrin Chowdhury, Hyeon Jong Yu, Kyung-Min Kim, Ho Kang, Chul-Kee Park, Joonyoung F.Joung*, Sungnam Park*, Dokyoung Kim*
Anal. Chim. Acta, 1202, 339678 (2022) (Link) († equally contributed.)
- "Fullerene-Based Triads with Controlled Alkyl Spacer Length as Photoactive Materials for Single-Component Organic Solar Cells"
Young Woong Lee, Jiwoo Yeop, Hyojin Lim, Won-Woo Park, Joonyoung Francis Joung, Sungnam Park, Oh-Hoon Kwon*, Jin Young Kim*, and Han Young Woo*
ACS Appl. Mater. Interfaces, 13, 43174-43185 (2021)
- "Rational Molecular Design of Azaacene-Based Narrowband Green-Emitting Fluorophores: Modulation of Spectral Bandwidth and
Vibronic Transitions"
Jung Min Ha†, Hye Beom Shin†, Joonyoung Francis Joung†, Won Jae Chung, Ji-Eun Jeong, Sangin Kim, Seon Hyoung Hur,
Suk-Young Bae, Jun-Yun Kim, Jun Yeob Lee*, Sungnam Park*, and Han Young Woo*
ACS Appl. Mater. Interfaces, 13, 26227-26236 (2021)(† equally contributed.)
- "Deep Learning Optical Spectroscopy Based on Experimental Database: Potential Applications to Molecular Design"
Joonyoung F. Joung†, Minhi Han†, Jinhyo Hwang, Minseok Jeong, Dong Hoon Choi, and Sungnam Park*
JACS Au, 1, 427-438 (2021) († equally contributed.)
-"Ligand-Assisted Direct Photolithography of Perovskite Nanocrystals Encapsulated with Multifunctional Polymer Ligands for Stable, Full-
Colored, High-Resolution Displays"
Jaewan Ko, Kyungyeon Ma, Joonyoung F. Joung, Sungnam Park, and Joona Bang*
Nano Lett., 21, 2288-2295 (2021)
- "Light-directed trapping of metastable intermediates in a self- assembly process"
Joonsik Seo†, Joonyoung F. Joung†, Sungnam Park*, Young Ji Son, Jaegeun Noh, and Jong-Man Kim*
Nat. Commun., 11, 6260 (2020) († equally contributed.)
- "Direct Photolithographic Patterning of Colloidal Quantum Dots Enabled by UV-Crosslinkable & Hole-Transporting Polymer Ligand"
Jaewan Ko, Jun Hyuk Chang, Byeong Guk Jeong, Hyung Jong Kim, Joonyoung Francis Joung, Sungnam Park, Dong Hoon Choi*,
Wan Ki Bae*, and Joona Bang*
ACS Appl. Mater. Interfaces, 12, 42153-42160 (2020)
- "DB for chromophore"
Joonyoung F. Joung†, Minhi Han†, Minseok Jeong, and Sungnam Park*
Figshare, doi.org/10.6084/m9.figshare.12045567.v1 (2020) († equally contributed.)
- "Experimental database of optical properties of organic compounds"
Joonyoung F. Joung†, Minhi Han†, Minseok Jeong, and Sungnam Park*
Sci. Data, 7, 295 (2020) († equally contributed.)
- “Green-, Red-, and NIR-Emitting Polymer Dot Probes for Simultaneous Multicolor Cell Imaging with a Single Excitation Wavelength"
Ji-Eun Jeong, Mohammad Afsar Uddin, Hwa Sook Ryu, Hee-Chang Kim, Minsu Kang, Joonyoung Francis Joung, Sungnam Park,
Sang-Hee Shim, and Han Young Woo*
Chem. Mater., 32, 6685-6696 (2020)
-"Penta-fluorophenol: A smiles rearrangement-inspired cysteine-selective fluorescent probe for imaging of human glioblastoma"
Jong Min An, Sangrim Kang, Eugene Huh, Yejin Kim, Dahae Lee, Hyejung Jo, Joonyoung F. Joung, Veronica Jihyun Kim, Ji Yeoun Lee, Yun Sik Dho, Yuna Jung, Sojin Kim, Tamrin Chowdhury, Sungnam Park*, Jae Seung Kang*, Myung Sook Oh*, Chul-Kee Park*, and
Dokyoung Kim*
Chem. Sci., 11, 5658-5668 (2020)
- "물리화학실험"
박성남, 정준영 지음
사이플러스, ISBN 979-11-88731-18-3 (2020)
- “Chemically resistant and thermally stable quantum dots prepared by shell encapsulation with cross-linkable block copolymer ligands”
Jaewan Ko, Byeong Guk Jeong, Jun Hyuk Chang, Joonyoung F. Joung, Suk-Young Yoon, Doh C. Lee, Sungnam Park, June Huh, Heesun
Yang, Wan Ki Bae,* Se Gyu Jang,* and Joona Bang*
NPG Asia Mater., 12, 19 (2020)
- “A new visible light triggered Arrhenius photobase and its photo-induced reactions”
Joonyoung F. Joung, Jeeun Lee, Joungin Hwang, Kihang Choi*, and Sungnam Park*
New J. Chem., 44, 668-673 (2020)
- “Macrocyclic Diacetylene-Terthiophene Cocrystal: Molecular Self-Assembly, Topochemical Polymerization and Energy Transfer”
Kwangmin Bae, Jung-Moo Heo, Mohammed Khazi, Joonyoung Francis Joung, Sungnam Park, Youngmee Kim, and Jong-Man Kim
Cryst. Growth Des., 20, 434-441 (2020)
- “Covalently Linked, Perylene diimide Polydiacetylene Nanofibers Display Enhanced Stability and Photocurrent with Reversible FRET
Phenomenon”
Joonsik Seo, Chandra Kantha, Joonyoung F. Joung, Sungnam Park,* Raz Jelinek, and Jong-Man Kim*
Small 15, 1901342 (2019)
- “Synthesis, Structure, and Photoluminescence Properties of a Metal‐Organic Framework with Hexagonal Channels: Selective Turn‐On
Sensing for Mg2+ Ion”
Sunhwi Eom, Sora Park, Jeong Hwa Song, Woo Ram Lee, Han Geul Lee, Dong Won Kang, Joonyoung Fransic Joung, Sungnam Park,
Dohyun Moon, and Chang Seop Hong*
Eur. J. Inorg. Chem. 2019, 330-335 (2019)
- “2-(Benzothiazol-2-yl)pyren-1-ol, a new excited state intramolecular proton transfer-based fluorescent sensor for nitroaromatic
compounds”
Ying Hu†, Joonyoung F. Joung†, Ji-Eun Jeong, Yerin Jeong, Han Young Woo, Yuanbin She, Sungnam Park*, and Juyoung Yoon*
Sens. Actuators B, 280, 298-305 (2019) († equally contributed.)
- “A naphthoimidazolium-cholesterol derivative as a ratiometric fluorescence based chemosensor for the chiral recognition of carboxylates”
Xin Zhang,† Gyeongju Ko,† Joonyoung F. Joung,† Meng Li, K.M.K. Swamy, Yerin Jeong, Dayoung Lee, Yifan Liu, Songyi Lee,*
Sungnam Park,* Tony D. James* and Juyoung Yoon*
Chem. Commun., 54, 13264-13267 (2018) († equally contributed.)
- “Elucidating the Role of Molecule-Electrode Interfacial Defects in Charge Tunneling Characteristics of Large-area Junctions”
Gyu Don Kong, Junji Jin, Martin M. Thuo, Hyunsun Song, Joonyoung Francis Joung, Sungnam Park, and Hyo Jae Yoon*
J. Am. Chem. Soc., 140, 12303-12307, (2018)
-“Fluorescent Organic Glass with Unique Optical and Mechanical Properties”
Kahoe Ku, Joonyoung F. Joung, Heeyeon Park, Myeong-Geun Kim, Sungnam Park, Woong Kim*
Adv. Funct. Mater., 28, 1081394, (2018)
- "Cationic Effect on the Equilibria and Kinetics of the Excited-State Proton Transfer Reaction of a Photoacid in Aqueous Solutions"
Joonyoung F. Joung†, Sangin Kim†, and Sungnam Park*
J. Phys. Chem. B, 122, 5087-5093 (2018) († equally contributed.)
- "Topochemical polymerization of macrocyclic diacetylene with a naphthalene moiety for a tubular-shaped polydiacetylene chromophore"
Chandra Kantha, Hansol Kim, Youngmee Kim, Jung Moo Heo, Joonyoung F. Joung, Sungnam Park, and Jong-Man Kim*
Dyes Pigm., 154, 199-204 (2018)
- "Ionic effect on the excited-state proton transfer reactions in aqueous solutions"
Joonyoung Francis Joung, Sangin Kim and Sungnam Park*
Phys. Chem. Chem. Phys., 19, 25509-25517 (2017)
- "Chromogenic Tubular Polydiacetylenes from Topochemical Polymerization of Self-Assembled Macrocyclic Diacetylenes"
Jung-Moo Heo, Youngmee Kim, Seulki Han, Joonyoung F. Joung, Sang-hwa Lee, Sejin Han, Jaegeun Noh, Jaeyoun Kim, Sungnam Park, Haiwon Lee, Yoon Mi Choi, Young-Sik Jung, and Jong-Man Kim*
Marcromolecules, 50, 900-913 (2017)
- “Iridium Complex Bearing Urea Groups as a Phosphorescent Chemosensor for Chiral Anion Recognition”
Ying Hu†, Yinan Li†, Joonyoung F. Joung†, Jun Yin, Sungnam Park, Juyoung Yoon*,and Myung Ho Hyun*
Sens. Actuators B, 241, 224-229 (2017) († equally contributed.)
- “Photoinduced Reversible Phase Transition of Azobenzene-Containing Polydiacetylene Crystals"
Woohyun Baek, Jung-Moo Heo, Seungwhan Oh, Sang-hwa Lee, Jaeyong Kim, Joonyoung Francis Joung, Sungnam Park, Hesson Chung
and Jong-Man Kim*
Chem. Commun., 52, 14059-14062 (2016)
- “Electronic relaxation dynamics of PCDA-PDA studied by transient absorption spectroscopy”,
Joonyoung Francis Joung, Junwoo Baek, Youngseo Kim, Songyi Lee, Myung Hwa Kim, Juyoung Yoon*, and Sungnam Park*
Phys. Chem. Chem. Phys., 18, 23096-23104 (2016)
- “Origin of the Reversible Thermochromic Properties of Polydiacetylenes Revealed by Ultrafast Spectroscopy”
Junwoo Baek†, Joonyoung Francis Joung†, Songyi Lee†, Hanju Rhee, Myung Hwa Kim, Sungnam Park*, and Juyoung Yoon*
J. Phys. Chem. Lett., 7, 259-265 (2016) († equally contributed.)
- “Effect of NaCl Salts on the Activation Energy of Excited-State Proton Transfer Reaction of Coumarin 183”
Joonyoung Francis Joung, Sangin Kim, and Sungnam Park*
J. Phys. Chem. B, 119, 15509-15515 (2015)
이치호 (Lee, Chiho)
Ph.D. (2020.02)
Dissertation : “Spectroscopic and computational studies on the photophysical properties of energy
converting materials: Thermally activated delayed fluoroscence molecules and
upconversion materials"
Currently employed by LG Display
- "Singlet Fission Dynamics of Colloidal Nanoparticles of a Perylenediimide Derivative in Solutions"
Youngseo Kim, Minhi Han, Chiho Lee, and Sungnam Park*
J. Phys. Chem. B, 125, 7967-7974 (2021)
- “Achievement of high efficiency with extremely low efficiency roll-off in solution-processed thermally activated delayed fluorescence OLEDs manufactured using xanthone-based bipolar host materials”
Chae Yeong Kim, Chiho Lee, Hyung Jong Kim, Jinhyo Hwang, Mallesham Godumala, Ji-Eun Jeong, Han Young Woo,
Min Ju Cho*, Sungnam Park*, Dong Hoon Choi*
J. Mater. Chem. C, 8, 6780-6787 (2020) († equally contributed.)
- “Rational Design of Carbazole- and Carboline-Based Polymeric Host Materials for Realizing High-Efficiency Solution-Processed Thermally
Activated Delayed Fluorescence Organic Light-Emitting Diode”
Jinhyo Hwang, Chiho Lee, Ji-Eun Jeong, Chae Yeong Kim, Han Young Woo, Sungnam Park, Min Ju Cho*, and Dong Hoon Choi*
ACS Appl. Mater. Interfaces., 12, 8485-8494 (2020)
-“5H-Benzo[d]Benzo[4,5]Imidazo[2,1-b][1,3]Thiazine as a Novel Electron-Acceptor Cored High Triplet Energy Bipolar Host Material for Efficient Solution-Processable Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes”
Mallesham Godumala, Jiwon Yoon, Seo Yeon Park, Chiho Lee, Youngseo Kim, Ji-Eun Jeong, Sungnam Park, Han Young Woo, Min Ju Cho,
and Dong Hoon Choi*
Front. Chem., 8:61 (2020)
- “Pyrimidine-based Bipolar Host Materials for High Efficiency Solution Processed Green Thermally Activated Delayed Fluorescent OLEDs”
Jiwon Yoon, Chiho Lee, Su Hong Park, Dong Won Kang, Hyojin Kim, Ji-Eun Jeong, Han Young Woo, Chang Seop Hong, Sungnam Park, Min Ju Cho, and Dong Hoon Choi*
J. Mater. Chem. C, 8, 2196-2204 (2020)
- “Visualization of UV by Nanopatterned Down‐Shifting Materials Mimicking Human Retinal Cone Cells”
Wonbae Sohn, Heeyeon Park, Gang Yeol Yoo, Chiho Lee, Sungnam Park, and Woong Kim*
Adv. Funct. Mater., 30, 1905131 (2020)
- “Origin of strong red emission in Er3+-based upconversion materials: Role of intermediate states and cross relaxation”
Chiho Lee†, Heeyeon Park†, Woong kim*, and Sungnam Park*
Phys. Chem. Chem. Phys., 21, 24026-24033 (2019) († equally contributed.)
“An Excellent Bipolar Host Material Exhibiting EQE of 24.0% with Small Efficiency Roll-off in Solution-processable Thermally Activated
Delayed Fluorescence OLEDs”
Mallesham Godumala, Jiwon Yoon, Choel Hun Jeong, Chiho Lee, Ji-Eun Jeong, Sungnam Park, Han Young Woo, Min Ju Cho, and Dong
Hoon Choi*
J. Mater. Chem. C, 7, 13930-13938 (2019)
- “Chromenopyrazole-Based Bipolar Host Materials for Solution-Processable Thermally Activated Delayed Fluorescence OLEDs Exhibiting
High Efficiency and Low Roll-off”
Mallesham Godumala, Jiwon Yoon, Chiho Lee, Ji-Eun Jeong, Sungnam Park, Han Young Woo, Min Ju Cho, and Dong Hoon Choi*
Chem. Comm., 55, 12952-12955 (2019)
- “Blue-Emission of α-GaN Colloidal Quantum Dots via Zn Doping”
Yun Chang Choi, Hyunjin Kim, Chiho Lee, Juhee Son, Hionsuck Baik, Sungnam Park, Jaekyun Kim, and Kwang Seob Jeong*
Chem. Mater., 31, 5370-5375 (2019)
-"Unconventional Three-armed Luminogens Exhibiting Both Aggregation-Induced Emission and Thermally Activated Delayed
Fluorescence Resulting in High-Performing Solution-Processed OLEDs"
Seo Yeon Park, Suna Choi, Gi Eun Park, Hyung Jong Kim, Chiho Lee, Ji su Moon, Si Woo Kim, Sungnam Park, Jang Hyuk Kwon,
Min Ju Cho*, and Dong Hoon Choi*
ACS Appl. Mater. Interfaces, 10, 14966-14977 (2018)
-"Solution-Processed Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes Using New Polymeric Emitter Containing
Non-conjugated Cyclohexane Units"
Hyung Jong Kim, Chiho Lee, Mallesham Godumala, Suna Choi, Seo Yeon Park, Ji Su Moon, Sungnam Park*, and Dong Hoon Choi*
Polym. Chem., 9, 1318-1326 (2018)
-"Novel dendritic large molecules as solutionprocessable thermally activated delayed fluorescent emitters for simple structured
non-doped organic light emitting diodes"
Mallesham Godumala, Suna Choi, Hyung Jong Kim, Chiho Lee, Sungnam Park, Ji Su Moon, Kim Si Woo, Jang Hyuk Kown, Min
Ju Cho, and Dong Hoon Choi*
J. Mater. Chem. C, 6, 1160-1170 (2018)
-"Thin film fabrication of upconversion lanthanide-doped NaYF4 by a sol-gel method and soft lithographical nanopatterning"
Heeyeon Park, Gang Yeol Yoo, Min-Seop Kim, Kein Kim, Chiho Lee, Sungnam Park, and Woong Kim*
J. Alloys. Compd., 728, 927-935 (2017)
-"Fluorescent Labeling of Protein Using Blue-Emitting 8-Amino-BODIPY Derivatives"
Dokyoung Kim*, Donghee Ma, Muwoong Kim, Yuna Jung, Na Hee Kim, Chiho Lee, Seo Won Cho, Sungnam Park, Youngbuhm Huh,
Junyang Jung, and Kyo Han Ahn
J. Fluoresc., 27, 6, 2231-2238 (2017)
-"Selective Recognition of Fluoride by using a Benzobisimidazolium Derivative through Aggregation Induced Fluorescence"
Dayoung Lee†, Chiho Lee†, Eun Jin Jun, Minji Lee, Sungnam Park*, and Juyoung Yoon*
ChemistryOpen, 6, 476-479 (2017) († equally contributed.)
-"Structure-property relationship of metastable monoclinic potassium niobate (KNbO3) nanowires during phase transitions"
Seungwook Kim, Min-Seop Kim, Chiho Lee, Sungnam Park, Won Il Cho, and Woong Kim*
J. Alloys. Compd., 709, 415-421 (2017)
- “Artificial Photocatalytic System Using Polydiacetylene-(-NH-phen)Ru(bpy)2 for Cofactor Regeneration and CO2 Reduction”
Soojin Kim, Songyi Lee, Tikum Florence Anjong, Ha Yoon Jang, Ji-Yeong Kim, Chiho Lee, Sungnam Park, Hye Jin Lee*, Juyoung Yoon*,
and Jinheung Kim*
J. Phys. Chem. C, 120, 28407-28414 (2016)
- “Effect of Hydrogen-Bond on the Vibrational Relaxation and Orientational Relaxation Dynamics of HN3 and N3– in Solutions”
Chiho Lee, Hyewon Son, and Sungnam Park*
J. Phys. Chem. B, 120, 9723-9731 (2016)
- “High-performance bipolar host materials for blue TADF devices with excellent external quantum efficiencies”
Ju Sik Kang, Tae Ryang Hong, Hyung Jong Kim, Young Hoon Son, Raju Lampande, Byoung Yeop Kang, Chiho Lee, Jong-Kwan Bin,
Bang Sook Lee, Joong Hwan Yang, JinWuk Kim, Sungnam Park, Min Ju Cho*, Jang Hyuk Kwon*, and Dong Hoon Choi*,
J. Mater. Chem. C, 4, 4512-4520 (2016)
- “Acid-base equilibrium dynamics in methanol and dimethyl sulfoxide probed by two-dimensional infrared spectroscopy”
Chiho Lee, Hyewon Son, and Sungnam Park*
Phys. Chem. Chem. Phys., 17, 17557-17561 (2015)
- “Vibrational Probing of the Hydrogen-Bond Structure and Dynamics of Water in Aqueous NaPF6 Solutions”
Chiho Lee†, Dayoung Nam†, and Sungnam Park*,
New J. Chem., 39, 3520-3527 (2015) († equally contributed.)
- “Effect of Ion-Molecule Interaction on Fermi-Resonance in Acetonitrile Studied by Ultrafast Vibrational Spectroscopy”
YoungAh Kwon, Chiho Lee, and Sungnam Park*
Chem. Phys., 445, 38-45 (2014)
- “Temperature-Dependent Dynamics of Water in Aqueous NaPF6 Solution”
Dayoung Nam, Chiho Lee, and Sungnam Park*
Phys. Chem. Chem. Phys., 16, 21747-21754 (2014)
이준호 (Lee, Junho)
M.S. (2018.02)
Thesis : “Orientation of fluorophore molecules in thin films studied by angle-dependent photoluminescence
experiments"
Currently employed by LG Display
- "A Schiff Base Fluorescence Enhancement Probe for Fe(III) and Its Sensing Applications in Cancer Cells"
Na Hee Kim, Junho Lee, Sungnam Park, Junyang Jung* and Dokyoung Kim*
Sensors 19, 2500 (2019)
- "A wavelength-tunable and facilely functionable D-A type naphthalene core skeleton: Synthesis, photophysical property, and bio-imaging applications for cells and tissues"
Yuna Jung†, Youngseo Kim†, Na Hee Kim, Junho Lee, Kang-Hoon Kim, Junyang Jung, Youngbuhm Huh, Hyeung-Jin Jang*, Jinmyoung Joo*, Sungnam Park*, Dokyoung Kim*
Dyes Pigm., 162, 104-111 (2019) († equally contributed.)
- "Effect of ion-ligand binding on ion pairing dynamics studied by two-dimensional infrared spectroscopy"
YoungAh Kwon†, Junho Lee†, and Sungnam Park*
Phys. Chem. Chem. Phys., 19, 10889-10897 (2017) († equally contributed.)
이효상 (Lee, Hyo-sang)
Ph.D. (2017.08)
Dissertation : “Understanding and Control of Photoactive Layer Morphology in Organic Bulk Heterojunction
Solar Cells"
한국과학기술연구원 (KIST) 학연생 (김봉수 박사)
Currently employed by JD Research
- “Effects of Backbone Planarity and Tightly Packed Alkyl Chains in the Donor−Acceptor Polymers for High Photostability”
Hyo-Sang Lee, Hyeng Gun Song, Hyeseung Jung, Myung Hwa Kim, Changsoon Cho, Jung-Yong Lee, Sungnam Park, Hae Jung Son,
Hui-Jun Yun, Soon-Ki Kwon, Yun-Hi Kim*, and BongSoo Kim*
Macromolecules, 4, 7844-7856 (2016)
- “Synthesis and Photovoltaic Properties of a Low Band Gap Polymer for Organic Solar Cell”
Yong-Ho Woo, Hyo-Sang Lee, Sungnam Park, E-Joon Choi, and BongSoo Kim*
Polymer(Korea), 39, 71-77 (2015)
- “Effect of asymmetric solubility of diketopyrrolopyrrole-based polymers and PC71BMs in a binary solvent system on the performance of
bulk heterojunction solar cells”
Seon Kyoung Son, Hyo-Sang Lee, Jae Seung Ha, Kyung Hwan Kim, Hae Jung Son, Min Jae Ko, Honggon Kim, Doh-Kwon Lee,
Jin Young Kim, Wonmok Lee, Sungnam Park, Dong Hoon Choi*, BongSoo Kim*
Solar Energy Materials & Solar Cells, 124, 232–240 (2014)
- “Correlation between Crystallinity, Charge Transport, and Electrical Stability in an Ambipolar Polymer Field-Effect Transistor Based on
Poly(naphthalene-alt-diketopyrrolopyrrole)”,
Beom Joon Kim, Hyo-Sang Lee, Joong Seok Lee, Sanghyeok Cho, Hyunjung Kim, Hae Jung Son, Honggon Kim, Min Jae Ko,
Sungnam Park, Moon Sung Kang, Se Young Oh, BongSoo Kim*, and Jeong Ho Cho*
J. Phys. Chem. C, 117, 11479-11486 (2013)
- “Crystallinity-controlled naphthalene-alt-diketopyrrolopyrrole copolymers for high-performance ambipolar field effect transistors”
Hyo-Sang Lee, Joong Suk Lee, SangHyeok Cho, Hyunjung Kim, Kyung-won Kwak, Youngwoon Yoon, Seon Kyung Son, Honggon Kim,
Min Jae Ko, Doh-Kwon Lee, Jin Young Kim, Sungnam Park, Dong Hoon Choi, Jeong Ho Cho*, and BongSoo Kim*,
J. Phys. Chem. C, 116, 26204-26213 (2012)
김지예 (Kim, Geeye)
M.S. (2016.08)
Thesis : “Determination of glucono-δ-lactone using LC/MS with negative ion atmospheric pressure
chemical ionization"
한국과학기술연구원 (KIST) 학연생 (김연제 박사)
이영아 (Lee, Youngah)
M.S. (2014.02)
Thesis : “SiO2 산란입자를 포함하는 염료감응 태양전지용 고효율 광 전극 개발:
[염료감응 태양전지 광 전극내의 SiO2 및 TiO2 산란입자 비교 연구"
한국에너지기술연구원 (KIER) 학연생 (한치환 박사)
남다영 (Nam, Dayoung)
M.S. (2014.02)
Thesis : “Temperature– and Concentration-dependence of Hydrogen-Bond Structure and Dynamics
in Aqueous NaPF6 Solutions"
Currently employed by 경기도 성남시
- “Vibrational Probing of the Hydrogen-Bond Structure and Dynamics of Water in Aqueous NaPF6 Solutions”
Chiho Lee†, Dayoung Nam†, and Sungnam Park*
New J. Chem., 39, 3520-3527 (2015) († equally contributed.)
- “Temperature-Dependent Dynamics of Water in Aqueous NaPF6 Solution”
Dayoung Nam, Chiho Lee, Sungnam Park*
Phys. Chem. Chem. Phys., 16, 21747-21754 (2014)
- “A New Phosphorescent Chemosensor Bearing Zn-DPA Sites for H2PO4-”
Hye-bin Kim, Yifan Liu, Dayoung Nam, Yinan Li, Sungnam Park, Juyoung Yoon*, Myung Ho Hyun*
Dyes and Pigments, 106, 20-24 (2014)
- “New Iridium Complexes with Two Pre-organized Urea Groups and Thiourea Groups as Phosphorescent Chemosensors for H2PO4- and
Chiral Carboxylatese”,
Yinan Li, Liu Yifan, Dayoung Nam, Sungnam Park, Juyoung Yoon*, and Myung Ho Hyun*
Dyes and Pigments, 100, 241-246 (2014)
백준우 (Baek, Junwoo)
M.S. (2014.02)
Thesis : “Transient Absorption Studies of Thermochromic Polydiacetylene Derivatives"
Currently employed by APS Materials
- “Electronic relaxation dynamics of PCDA-PDA studied by transient absorption spectroscopy”,
Joonyoung Francis Joung, Junwoo Baek, Youngseo Kim, Songyi Lee, Myung Hwa Kim, Juyoung Yoon*, and Sungnam Park*
Phys. Chem. Chem. Phys., 18, 23096-23104 (2016)
- “Origin of the Reversible Thermochromic Properties of Polydiacetylenes Revealed by Ultrafast Spectroscopy”
Junwoo Baek†, Joonyoung Francis Joung†, Songyi Lee†, Hanju Rhee, Myung Hwa Kim, Sungnam Park*, and Juyoung Yoon*
J. Phys. Chem. Lett., 7, 259-265 (2016) († equally contributed.)
- “Construction and Molecular Understanding of an Unprecedented, Reversibly Thermochromic Bis-Polydiacetylene”
Songyi Lee, Joonseong Lee, Minji Lee, Yu Kyung Cho, Junwoo Baek, Jinwook Kim, Sungnam Park, Myung Hwa Kim, Rakwoo Chang*,
Juyoung Yoon*
Adv. Func. Mater., 24, 3699-3705 (2014)
권영아 (Kwon, YoungAh)
M.S. (2013.08)
Thesis : “Chemical Exchange 2DIR Probing of Ion-Molecule Complexation Dynamics"
Ph.D. Columbia University (2020)
Currently employed by Science News
- "Effect of ion-ligand binding on ion pairing dynamics studied by two-dimensional infrared spectroscopy"
YoungAh Kwon†, Junho Lee†, and Sungnam Park*
Phys. Chem. Chem. Phys., 19, 10889-10897 (2017) († equally contributed.)
- “Complexation dynamics of CH3SCN and Li+ in acetonitrile studied by two-dimensional infrared spectroscopy”
YoungAh Kwon and Sungnam Park*
Phys. Chem. Chem. Phys., 17, 24193-24200 (2015)
- “Effect of Ion-Molecule Interaction on Fermi-Resonance in Acetonitrile Studied by Ultrafast Vibrational Spectroscopy”
YoungAh Kwon, Chiho Lee, and Sungnam Park*
Chem. Phys., 445, 38-45 (2014)
- “Rotational dynamics of metal azide ion pairs in dimethylsulfoxide solutions”
Hyewon Son, YoungAh Kwon, Jinwoo Kim, and Sungnam Park*
J. Phys. Chem. B, 117, 2748-2756 (2013)
손혜원 (Son, Hyewon)
M.S. (2013.02)
Thesis : “Infrared Probing of Hydrogen-Bond Structures and Dynamics in Aqueous NaPF6 solutions”
Currently employed by 한국도시가스공사
- “Acid-base equilibrium dynamics in methanol and dimethyl sulfoxide probed by two-dimensional infrared spectroscopy”
Chiho Lee, Hyewon Son, and Sungnam Park*
Phys. Chem. Chem. Phys., 17, 17557-17561 (2015)
- “Real-Time Probing of Hydrogen-Bond Exchange Dynamics in Aqueous NaPF6 Solutions by Two-Dimensional Infrared Spectroscopy”
Hyewon Son, Dayoung Nam, and Sungnam Park*
J. Phys. Chem. B, 117, 13604-13613 (2013)
- “Ultrafast intermolecular vibrational excitation transfer from solute to solvent: Observation of intermediate states”
Hyewon Son, Kwang-Hee Park, Kyung-won Kwak*, Sungnam Park*, and Minhaeng Cho*
Chem. Phys., 422, 37-46 (2013)
- “Rotational dynamics of metal azide ion pairs in dimethylsulfoxide solutions”
Hyewon Son, YoungAh Kwon, Jinwoo Kim, and Sungnam Park*
J. Phys. Chem. B, 117, 2748-2756 (2013)
- “Infrared probing of equilibrium and dynamics of metal-selenocyanate ion pairs in N, N-dimethylformamide solutions”
Hyewon Son, Haneul Jin, Seung Ryul Choi, Hyun Wook Jung, and Sungnam Park*
J. Phys. Chem. B, 116, 9152-9159 (2012)
- “Ion-pairing dynamics of Li+ and SCN- in dimethylformamide solution: Chemical exchange two-dimensional infrared spectroscopy”
Kyung-Koo Lee, Kwang-Hee Park, Donghyun Kwon, Jun-Ho Choi, Hyewon Son, Sungnam Park*, and Minhaeng Cho*
J. Chem. Phys., 134, 064506 (2011)