Embedded Files
Publication
2025
18. Dongchan Kim, Hyojeong Kim, Changyeon Lee, Juhyuk Park, Jun Ki Ahn*, Chang Yeol Lee*, In submission.
17. Hyeonseong Kim, Yeon Gyeong Ha, Dong-Gue Kang, Chinedum O. Osuji, Daeseok Kim*, Changyeon Lee*, "High-Concentration Mesogen-Assisted Exfoliation of Low-Dimensional Nanomaterials for Achieving Ultralow-Temperature Actuations of Liquid Crystal Elastomers", Advanced Functional Materials, 2025, e09262.
16. Yujin Kang†, Minhui Lee†, Donghwan Ji, Jinhye Bae, Changyeon Lee*, Wonho Lee *, "Light-driven dry process of lithium-ion battery electrodes utilizing solid-liquid phase transitioning polymers", Chemical Communications, 2025.
15. In Hyeok Oh, Hyeonseong Kim, Sinil Kim, Changyeon Lee*, Suk Tai Chang*, "Crawling Soft Robotic Locomotion via Asymmetric Temperature Distribution on Paper-Based Electrodes ", Advanced Functional Materials, 2025, e12328.
14. Juyeol Kim, Yujin Kang, Dong-Gue Kang, Hyewon Park, Yeongsik Kim, Chinedum O. Osuji, Hyungju Ahn*, Changyeon Lee*, and Dong Ki Yoon*, "Nanoconfinement-Induced Orientation Change of Liquid Crystalline Block Co-oligomer ", Journal of Materials Chemistry C, 2025, 13, 17674.
13. 한지희, 이창연, "자기장을 활용한 액정 배향 기술과 응용 동향", 인포메이션 디스플레이 (기획 기사), 2025, 26, 3.
2024
12. Yongchan Jang†, Hyeonsu Son†, Soyoung Kim, Dongmin Lee, Jeong Ha Hwang, Hyeonseong Kim, Jongbok Kim, Sung-Jin Chang, Hyungiu Ahn, Donggu Lee, Tae Kyung Lee*, Changyeon Lee*, Wonho Lee* , "Preventing Electrode Penetration and Burn-In Degradation in Non-Fullerene Organic Solar Cells via Pre-Annealing: Insights from Experimental and Computational Studies", Chemical Engineering Journal, 2024, 500, 157083.
11. Yujin Kang, Donguk Kim, Wonho Lee*, Changyeon Lee*, "Role of Flexible Spacers in Achieving Photoinduced Phase Transitions of Azobenzene-based Liquid-Crystalline Polymers at Room Temperature", Polymer Journal, 2024, 56, 1061(the special issue on "Rising Stars").
10. Heung-Goo Lee†, Jin-Woo Lee†, Eun Sung Oh†, Michael J. Lee, Taek-Soo Kim*, Changyeon Lee* and Bumjoon J. Kim*, "Effect of Rigid-Block Length in Elastomer-Containing Photoactive Block Copolymers on Photovoltaic and Mechanical Properties of Polymer Solar Cells", Journal of Materials Chemistry A, 2024, 12, 19039.
9. Jin-Woo Lee†, Cheng Sun†, Seungbok Lee, Dong Jun Kim, Eun Sung Oh, Tan Ngoc-Lan Phan, Trieu Hoang-Quan Nguyen, Soodeok Seo, Zhengping Tan, Michael J Lee, Jung-Yong Lee, Xichang Bao, Taek-Soo Kim, Changyeon Lee*, Yun-Hi Kim*, Bumjoon J Kim*, "High-performance intrinsically stretchable organic solar cells based on flexible spacer incorporated dimerized small-molecule acceptors", Nano Energy, 2024, 125, 109541
8. Jin-Woo Lee†, Cheng Sun†, Seungbok Lee, Dong Jun Kim, Eun Sung Oh, Tan Ngoc-Lan Phan, Trieu Hoang-Quan Nguyen, Soodeok Seo, Zhengping Tan, Michael J Lee, Jung-Yong Lee, Xichang Bao, Taek-Soo Kim, Changyeon Lee, Yun-Hi Kim, Bumjoon J Kim*, "Recent progress and prospects of dimer and multimer acceptors for efficient and stable polymer solar cells", Chemical Society Reviews, 2024, 53, 4674.
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2023
7. Dahyun Jeong,† Jin-Woo Lee,† Seungjin Lee, Hyesu Jeon, Seoyoung Kim, Changduk Yang, Changyeon Lee, and Bumjoon J. Kim*, "Polythiophene-Based Terpolymers with Modulated Aggregation Behaviors for High-Performance Organic Solar Cells with 16.4% Efficiency", Nano Energy, 2023, 114, 108618.
6. Daehee Han‡, Geon-U Kim‡, Dongchan Lee, Chulhee Lim, Seungjin Lee, Dahyun Jeong, Shinuk Cho, Changyeon Lee*, and Bumjoon J. Kim*, "Molecular Orientation Control of Regioisomeric Small Molecule Acceptors for High-Performance Poly(3-hexylthiophene)-based Organic Solar Cells with 9.3% Efficiency", Chemistry of Materials, 2023, 35, 4318.
5. Jin-Woo Lee,† Cheng Sun,† Changyeon Lee, Zhengping Tan, Tan Ngoc-Lan Phan, Soon-Ki Kwon, Yun-Hi Kim,* and Bumjoon J. Kim*, "Linker Engineering of Dimerized Small Molecule Acceptors for Highly Efficient and Stable Organic Solar Cells", ACS Energy Letter, 2023, 8, 1344.
4. Cheng Sun,† Jin-Woo Lee,† Changyeon Lee, Dongchan Lee, Shinuk Cho, Soon-Ki Kwon,* Bumjoon J. Kim,* and Yun-Hi Kim*, "Dimerized Small-Molecule Acceptors Enable Efficient and Stable Organic Solar Cells", Joule, 2023, 7, 416
3. Dongmin Lee, Yongchan Jang, Jeonga Kim, Sang Young Jeong, Han Young Woo, Donggu Lee, Jongbok Kim, Changyeon Lee,* and Wonho Lee*, "Impacts of Metal Oxide Diffusion and Materials Design on Thermal Stabilities of Non-Fullerene Polymer Solar Cells", Journal of Materials Chemistry A, 2023, 11, 3008.
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2022
2. Tan Ngoc-Lan Phan,† Jin-Woo Lee,† Eun Sung Oh, Seungjin Lee, Changyeon Lee, Taek-Soo Kim, Sheng Li* and Bumjoon J. Kim*, "Efficient and Non-Halogenated Solvent-Processed Organic Solar Cells Enabled by Conjugated Donor-Acceptor Block Copolymers Containing the Same Benzodithiophene Unit", ACS Appl. Mater. Interfaces, 2022, 14, 57070.
1. Chulhee Lim,† Seungjin Lee,† Daehee Han, Changyeon Lee, and Bumjoon J. Kim*, "Composition-Tolerant Terpolymers for Efficient, Nonhalogenated Solvent-Processed Polymer Solar Cells", Macromolecules, 2022, 55, 10395.
Publication Before Chung-Ang University (2014-2022)
Publication featured as a leading author
Changyeon Lee, Dennis Ndaya, Reuben Bosire, Na Kyung Kim, Rajeswari M Kasi, Chinedum O Osuji, “Fast Photoswitchable Order–Disorder Transitions in Liquid-Crystalline Block Co-oligomers”, J. Am. Chem. Soc., 2022, 144, 390.
Changyeon Lee, Chinedum O. Osuji, “100th Anniversary of Macromolecular Science Viewpoint: Opportunities for Liquid Crystal Polymers in Nanopatterning and Beyond”, ACS Macro Lett. 2021, 10, 945.
Changyeon Lee, Dennis Ndaya, Reuben Bosire, Uri R. Gabinet, Jian Sun, Padma Gopalan, Rajeswari M. Kasi, Chinedum Osuji, “Effects of Labile Mesogens on the Morphology of Liquid Crystalline Block Copolymers in Thin films”, Macromolecules, 2021, 54, 3223.
Changyeon Lee*, Junbok Lee, Seungjin Lee, Wonho Lee, Hoseon You, Han Young Woo, Bumjoon J. Kim, “Importance of Device Structure and Interlayer Design in Storage Stability of Naphthalene Diimide-Based All-Polymer Solar Cells”, J. Mater. Chem. A, 2020, 8, 3735.
Changyeon Lee†, Seungjin Lee†, Geon-U Kim, Wonho Lee, Bumjoon J. Kim, “Recent Advances, Design Guidelines and Prospects of All-Polymer Solar Cells”, Chem. Rev., 2019, 119, 8028 (Citations: 352, 03/2022 Google Scholar)
Changyeon Lee, Hae Rang Lee, Joonhyeong Choi, Youngkwon Kim, Thanh Luan Nguyen, Wonho Lee, Joon Hak Oh, Han Young Woo, Bumjoon J. Kim, “Aqueous-Processed Organic Solar Cells and Transistors: Impact of Water Addition on Processability and Thin-Film Morphologies of Electroactive Materials”, Adv. Energy Mater. 2018, 8, 34. (Back cover)
Changyeon Lee, Hyunbum Kang, Wonho Lee, Taesu Kim, Ki-Hyun Kim, Han Young Woo, Cheng Wang, Bumjoon J. Kim, “High Performance All-Polymer Solar Cells via Side Chain Engineering of Polymer Acceptor: Importance of Polymer Packing Structure and Nanoscale Blend Morphology”, Adv. Mater., 2015, 27, 2466 (Citations: 270, 03/2022 Google Scholar).
Changyeon Lee, Dong Jin Kang, Hyunbum Kang, Taesu Kim, Junwoo Park, Jaeho Lee, Seunghyup Yoo, Bumjoon J. Kim, “Simultaneously Enhancing Light Extraction and Device Stability of Organic Light-Emitting Diodes using a Corrugated Polymer Nanosphere Templated PEDOT:PSS Layer”, Adv. Energy Mater., 2014, 4, 1301345 (Inside front cover).
Changyeon Lee, Thota Giridhar, Joonhyeong Choi, Seonha Kim, Youngwoong Kim, Taesu Kim, Wonho Lee, Han-Hee Cho, Cheng Wang, Harald Ade, and Bumjoon J. Kim, "Importance of 2D Conjugated Side Chains of Benzodithiophene-Based Polymers in Controlling the Polymer Packing, Interfacial Ordering and Composition Variations of All-Polymer Solar Cells", Chem. Mater., 2017, 29, 9407 (a top download paper for the month of October).
Thanh Luan Nguyen†, Changyeon Lee†, Hyoeun Kim, Youngwoong Kim, Wonho Lee, Joon Hak Oh, Bumjoon Kim, Han Young Woo, “Ethanol-Processable, Highly-Crystalline Conjugated Polymers for Eco-Friendly Fabrication of Organic Transistors and Solar Cells”, Macromolecules, 2017, 50, 4415.
Changyeon Lee†, Yuxiang Li†, Wonho Lee, Youngmin Lee, Joonhyeong Choi, Taesu Kim, Cheng Wang, Enrique D. Gomez, Han Young Woo, and , Bumjoon J. Kim, “Correlation Between Phase-Separated Domain Sizes of Active Layer and Photovoltaic Performances in All-Polymer Solar Cells", Macromolecules, 2016, 49, 5051.
Bomee Jang†, Changyeon Lee†, Young Woong Lee, Donguk Kim, Mohammad Afsar Uddin, Felix Sunjoo Kim, Bumjoon J. Kim, Han Young Woo, “A High Dielectric N-type Small Molecular Acceptor Containing Oligoethyleneglycol Side-Chains for Organic Solar Cells”, Chin. J. Chem., 2018, 36, 199.
Publication featured as a co-author
Uri R. Gabinet, Changyeon Lee, Na Kyung Kim, Martin Hulman, Sarah M. Thompson, Cherie R Kagan, Chinedum O. Osuji, "Magnetic Field Alignment and Optical Anisotropy of MoS2 Nanosheets Dispersed in a Liquid Crystal Polymer", J. Phys. Chem. Lett., 2022, 13, 7994.
Jeonga Kim, Muhammad Ahsan Saeed, Sung Hyun Kim, Dongmin Lee, Yongchan Jang, Jin Su Park, Donggu Lee, Changyeon Lee, Bumjoon J. Kim, Han Young Woo, Jae Won Shim, Wonho Lee, "Revisiting the Classical Wide-Bandgap Homo- and Random Copolymers for Indoor Artificial Light Photovoltaics", Macromol. Rapid Commun. 2022, 202200279.
Jian Sun, Changyeon Lee, Chinedum O Osuji, Padma Gopalan, “Synthesis of High Etch Contrast Poly (3-hydroxystyrene)-Based Triblock Copolymers and Self-Assembly of Sub-5 nm Features”, Macromolecules, 2021, 54, 9542.
Uri R. Gabinet, Changyeon Lee, Ryan Poling-Skutvik, Daniel Keane, Na Kyung Kim, Ruiqi Dong, Zachariah Vicars, Yusheng Cai, Aniket U. Thosar, Alexander Grun, Sarah M. Thompson, Amish J. Patel, Cherie R. Kagan, Russell J. Composto, and Chinedum O. Osuji, “Nanocomposites of 2D-MoS2 Exfoliated in Thermotropic Liquid Crystals”, ACS Materials Lett. 2021, 3, 704.
Yizhou Zhang, Ruiqi Dong, Uri R. Gabinet, Ryan Poling-Skutvik, Na Kyung Kim, Changyeon Lee, Omar Q. Imran, Xunda Feng, Chinedum O. Osuji, “Rapid Fabrication by Lyotropic Self-Assembly of Thin Nanofiltration Membranes with Uniform 1 Nanometer Pores”, ACS Nano, 2021, 15, 8192.
Seungjin Lee, Dahyun Jeong, Changkyun Kim, Changyeon Lee, Hyunbum Kang, Han Young Woo, Bumjoon J. Kim, “Eco-Friendly Polymer Solar Cells: Advances in Green-Solvent Processing and Material Design”, ACS Nano, 2021, 14, 14493.
Jin Su Park, Nayoun Choi, Changyeon Lee, Seungjin Lee, Jong-Woon Ha, Do-Hoon Hwang, Bumjoon J. Kim, “Elucidating Roles of Polymer Donor Aggregation in All-Polymer and Non-Fullerene Small-Molecule-Polymer Solar Cells”, Chem. Mater., 2020, 32, 3585.
Seungjin Lee, Youngwoong Kim, Ziang Wu, Changyeon Lee, Seung Jin Oh, Nguyen Thanh Luan, Junbok Lee, Dahyun Jeong, Kai Zhang, Fei Huang, Taek-Soo Kim, Han Young Woo, Bumjoon J. Kim, “Aqueous-Soluble Naphthalene Diimide-Based Polymer Acceptors for Efficient and Air-Stable All-Polymer Solar Cells”, ACS Appl. Mater. Interfaces, 2019, 11, 45038.
Yuxiang Li, Minseok Kim, Ziang Wu, Changyeon Lee, Young Woong Lee, Jin-Woo Lee, Young Jun Lee, Ergang Wang, Bumjoon J. Kim, and Han Young Woo, “Influence of Backbone Modification of Difluoroquinoxaline-based Copolymers on the Interchain Packing, Blend Morphology and Photovoltaic Properties in Nonfullerene Organic Solar Cells”, J. Maters. Chem. C, 2019, 7, 1681.
Sang Woo Kim, Honggi Kim, Jin-Woo Lee, Changyeon Lee, Bogyu Lim, Jaechol Lee, Youngu Lee and Bumjoon J. Kim, “Synergistic Effects of Terpolymer Regioregularity on the Performance of All-Polymer Solar Cells”, Macromolecules, 2019, 52, 738.
Yuxiang Li, Jin-Woo Lee, Minseok Kim, Changyeon Lee, Young Woong Lee, Bumjoon J. Kim and Han Young Woo, “Regioisomeric Wide-Band-Gap Polymers with Different Fluorine Topologies for Non-Fullerene Organic Solar Cells, Polym. Chem., 2019, 10, 395.
Wansun Kim, Joonhyeong Choi, Jae-Han Kim, Taesu Kim, Changyeon Lee, Seungjin Lee, Mingoo Kim, Bumjoon J. Kim and Taek-Soo Kim, “Comparative Study of the Mechanical Properties of All-Polymer and Fullerene-Polymer Solar Cells: The Importance of Polymer Acceptors for High Fracture Resistance”, Chem. Mater., 2018, 30, 2102.
Hoseon You, Donguk Kim, Han-Hee Cho, Changyeon Lee, Sanggyu Chong, Nam Young Ahn, Myungeun Seo, Jihan Kim, Felix Sunjoo Kim, and Bumjoon J. Kim, “Shift of the Branching Point of Side Chain in NDI-Based Polymer for Enhanced Electron Mobility and All-PSC Performance”, Adv. Funct. Mater., 2018, 1803613.
Youngkwon Kim, Joonhyeong Choi, Changyeon Lee, Youngwoong Kim, Changkyun Kim, Thanh Luan Nguyen, Bhoj Gautam, Kenan Gundogdu, Han Young Woo, and Bumjoon J. Kim*, “Aqueous Solution Fullerene Acceptors for Efficient Eco-Friendly Polymer Solar Cells Processed from Benign Ethanol/Water Mixtures”, Chem. Mater., 2018, 30, 5663.
Kakaraparthi Kranthiraja, Um Kanta Aryal, Vijaya Gopalan Sree, Kumarsamay Gunasekar, Changyeon Lee, Minseok Kim, Bumjoon J. Kim, Myungkwan Song, and Sung-Ho Jin, “An Efficient Approach for Improving the Performance of Non-Halogenated Green Solvent Processed Polymer Solar Cells via Ternary-Blend Strategy", ACS Appl. Mater. Interfaces, 2018, 10, 13748.
Wonho Lee, Seonju Jeong, Changyeon Lee, Gibok Han, Changsoon Cho, Jung-Yong Lee, Bumjoon J. Kim, “Self-Organization of Polymer Additive, Poly(2-vinylpyridine) via One-Step Solution Process to Enhance the Efficiency and Stability of Polymer Solar Cells”, Adv. Energy Mater., 2017, 7, 1602812.
Sang Woo Kim, Joonhyeong Choi, Thi Thu Trang Bui, Changyeon Lee, Changsoon Cho, Kwangmin Na, Jihye Jung, Chang Eun Song, Biwu Ma, Jung-Yong Lee, Won Suk Shin, Bumjoon J. Kim, “Rationally Designed Donor-Acceptor Random Copolymers with Optimized Complementary Light Absorption for Highly Efficient All-Polymer Solar Cells, Adv. Funct. Mater., 2017, 27, 1703070.
Kakaraparthi Kranthiraja, Seonha Kim, Changyeon Lee, Kumarasamy Gunasekar, Vijaya Gopalan Sree, Bhoj Gautam, Kenan Gundogdu, Sung-Ho Jin, Bumjoon J. Kim, “The Impact of Sequential Fluorination of π-Conjugated Polymers on Charge Generation in All-Polymer Solar Cells, Adv. Funct. Mater., 2017, 27, 1701256.
Han-Hee Cho, Gibok Han, Robert Younts, Wonho Lee, Bhoj R. Gautam, Seungjin Lee, Changyeon Lee, Taesu Kim, Felix Sunjoo Kim, Kenan Gundogdu, and Bumjoon J. Kim, "Impact of Highly-Crystalline, Isoindigo-Based Small-Molecular Additives for Enhancing Performance of All-Polymer Solar Cells", J. Mater. Chem. A., 2017, 5, 21291.
Han-Hee Cho, Taesu Kim, Kimyung Kim, Changyeon Lee, Felix Sunjoo Kim, and Bumjoon J. Kim, “Synthesis and Side-Chain Engineering of Phenylnaphthalenediimide (PNDI)-Based n-Type Polymers for Efficient All-Polymer Solar Cells, J. Mater. Chem. A, 2017, 5, 5449.
Hyunbum Kang, Wonho Lee, Jiho Oh, Taesu Kim, Changyeon Lee and Bumjoon J. Kim, “From Fullerene-Polymer to All-Polymer Solar Cells: The Importance of Molecular Packing, Orientation and Morphology Control”, Acc. Chem. Res., 2016, 49, 2424.
Jiho Oh, Kakaraparthi Kranthiraja, Changyeon Lee, Kumarasamy Gunasekar, Seonha Kim, Biwu Ma, Bumjoon J. Kim, Sung-Ho Jin, “Side-Chain Fluorination: An Effective Approach to Achieving High-Performance All-Polymer Solar Cells with Efficiency Exceeding 7%”, Adv. Mater., 2016, 28, 10016.
Jihye Jung, Wonho Lee, Changyeon Lee, Hyungju Ahn, Bumjoon J. Kim, “Controlling Molecular Orientation of Naphthalenediimide-Based Polymer Acceptors for Higher Performance All-Polymer Solar Cells”, Adv. Energy. Mater., 2016, 6, 1600504.
Wonho Lee, Changyeon Lee, Hojeong Yu, Dong-Jun Kim, Cheng Wang, Han Young Woo, Joon Hak Oh, Bumjoon J. Kim, "Side Chain Optimization of Naphthalenediimide-Bithiophene Based Polymers to Enhance the Electron Mobility and the Performance in All-Polymer Solar Cells", Adv. Funct. Mater., 2016, 26, 1543.
Changsoon Cho, Hyunbum Kang, Se-Woong Baek, Taesu Kim, Changyeon Lee, Bumjoon J Kim, Jung-Yong Lee, “Improved Internal Quantum Efficiency and Light-Extraction Efficiency of Organic Light-Emitting Diodes via Synergistic Doping with Au and Ag Nanoparticles”, ACS Appl. Mater. Interfaces, 2016, 8, 27911.
Hyunbum Kang, Mohammad Afsar Uddin, Changyeon Lee, Ki-Hyun Kim, Thanh Luan Nguyen, Wonho Lee, Yuxiang Li, Cheng Wang, Han Young Woo, Bumjoon J. Kim, “Determining the Role of Polymer Molecular Weight for High-Performance All-Polymer Solar Cells: Its Effect on Polymer Aggregation and Phase Separation”, J. Am. Chem. Soc., 2015, 137, 2359.
Taesu Kim, Jae-Han Kim, Tae Eui Kang, Changyeon Lee, Hyunbum Kang, Minkwan Shin, Cheng Wang, Biwu Ma, Unyong Jeong, Taek-Soo Kim, Bumjoon J. Kim, “Flexible, highly efficient all-polymer solar cells”, Nat. Commun., 2015, 6, 8547.
Bhoj R. Gautam, Changyeon Lee, Robert Younts, Wonho Lee, Evgeny Danilov, Bumjoon J. Kim, Kenan Gundogdu, “Charge Generation Dynamics in Efficient All-Polymer Solar Cells: Influence of Polymer Packing and Morphology", ACS Appl. Mater. Interfaces, 2015, 7, 27586.
Joonhyeong Choi, Ki-Hyun Kim, Hojeng Yu, Changyeon Lee, Hyunbum Kang, Inho Song, Youngwoong Kim, Joon Hak Oh, Bumjoon J. Kim, “Importance of Electron Transport Ability in Naphthalene Diimide-Based Polymer Acceptors for High-Performance, Additive-Free, All-Polymer Solar Cells”, Chem. Mater., 2015, 27, 5230.
Junwoo Park, Changyeon Lee, Jihye Jung, Hyunbum Kang, Ki-Hyun Kim, Biwu Ma, Bumjoon J. Kim, “Facile Photo-Crosslinking of Azide-Containing Hole-Transporting Polymers for Highly Efficient, Solution-Processed, Multilayer Organic Light Emitting Devices”, Adv. Funct. Mater., 2014, 24, 7588.
Hyunbum Kang, Ki-Hyun Kim, Joonhyeong Choi, Changyeon Lee, Bumjoon J. Kim, “High-Performance All-Polymer Solar Cells Based on Face-on Stacked Polymer Blends with Low Interfacial Tension, ACS Macro Lett., 2014, 3, 1009.
Taesu Kim, Hyunbum Kang, Seonju Jeong, Dong Jin Kang, Changyeon Lee, Chun-Ho Lee, Min-Kyo Seo, Jung-Yong Lee, Bumjoon J. Kim, “Au@Polymer Core-Shell Nanoparticles for Simultaneously Enhancing Efficiency and Ambient Stability of Organic Optoelectronic Devices”, ACS Appl. Mater. Interfaces, 2014, 6, 16956.
AEM (2014) Inside front cover
AEM (2018) Back cover
Chem. Rev. (2019)
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