Submitted
[50] Yongsu Kim, Youngwon Lee, Ji Hee Yun, Jonggeol Na*, Hyeong Jun Kim* "Recoverable Polyelectrolyte Beads Catalysts for Sustainable Chemical Depolymerization of Poly(ethylene Terephthalate)", in preparation (2024)
[49] Jinseok Park†, Heewoon Shin†, Wonho Lee, Sheng Li, Hyeong Jun Kim*, and Bumjoon J. Kim *, "Elastomeric Polymer Networks Electrolyte: Synthesis,Properties and Applications", submitted (2024)
2023
[44] Hyeono Yee, Jong Ik Lee, Dong Mok Park, Keonhee Jung, Seunghan Lee, Nam Hun Kim, Jungwook Kim, Hyeong Jun Kim, and Moon Sung Kang*, "Extending the Operational Lifetime of Electrochemiluminescence Devices by Installing a Floating Bipolar Electrode", Small, 2023, 2307190
[41] Hyeonjung Park†, Boo Soo Ma†, Youngkwon Kim, Dahye Lee, Sheng Li, Hyeong Jun Kim*, Taek-Soo Kim*, and Bumjoon J. Kim*, "Direct Measurement of the Thermomechanical Properties of Poly(3-hexylthiophene) Thin Films on Ionic Liquid Surface", Macromolecules, 2023, 56, 4,1633-1642
2022
[40] 신조원, 전찬혁, 최윤제, 김형준* "고분자 전해질을 이용한 유연한 이온트로닉스 소자 (Polyelectrolyte for Soft Ionic Devices)" 고분자 과학과 기술 Polymer Science and Technology, 2022, 33, 2, 143-148
[39] Yecheng Wang, Kun Jia, Shuwen Zhang, Hyeong Jun Kim, Yang Bai, Ryan C. Hayward, and Zhigang Suo* "Temperature Sensing Using Junctions Between Mobile Ions and Mobile Electrons" PNAS, 2022, 119, 4, e2117962119.
[38] Dahyun Jeong, Min Je Kim, Seungjin Lee, Jin-Woo Lee, Youngwoong Kim, Hyeong Jun Kim, Jeong Ho Cho*, and Bumjoon J. Kim* "Aqueous–Processable, Naphthalene Diimide–Based Polymers for Eco-Friendly Fabrication of High-Performance, n-Type Organic Electrolyte-Gated Transistors" Sci. China Chem. 2022, 65, 973
[37] Youngkwon Kim, Hyeongjung Park, Jin Su Park, Jin-Woo Lee, Felix Sunjoo Kim, Hyeong Jun Kim*, and Bumjoon J. Kim* "Regioregularity-Control of Conjugated Polymers: From Synthesis, Properties, to Photovoltaic Device Applications" Journal of Materials Chemistry A, 2022, 10, 2672-2696
This article is part of the themed collections: Journal of Materials Chemistry A Recent Review Articles and 2023 Journal of Materials Chemistry A Lunar New Year collection
2021
[36] 신희운, 김형준* "이온트로닉스 소자 구현을 위한 이온 전도성 고분자 네트워크 (Polymeric Networks for Soft Ionotronics Devices)" 신진연구자 칼럼 News&information for chemical engineers, 2021, 39, 6, 647
[35] Hyeonjung Park, Moon Jong Han, Youngkwon Kim, Eun Ji Kim, Hyeong Jun Kim*, Dong Ki Yoon*, and Bumjoon J. Kim*"Regioregularity Dependent Crystalline Structures and Thermal Transitions in Poly(3-dodecylthiophene)s" Chemistry of Materials, 2021, 33, 3312
[34] Jin-Woo Lee, Boo Soo Ma, Hyeong Jun Kim, Taek-Soo Kim*, and Bumjoon J. Kim* "High Molecular Weight Electroactive Polymer Additives for Simultaneous Enhancement of Photovoltaic Efficiency and Mechanical Robustness in High-Performance Polymer Solar Cells" JACS Au, 2021, 1,5, 612-622
[33] Geon-U Kim, Cheng Sun, Jin Su Park, Hyun Gyeong Lee, Dongchan Lee, Jin-Woo Lee, Hyeong Jun Kim, Shinuk Cho*, Yun-Hi Kim*, Soon-Ki Kwon*, and Bumjoon J. Kim* "Importance of Terminal Group Pairing of Polymer Donor and Small-Molecule Acceptor in Optimizing Blend Morphology and Voltage Loss of High-Performance Solar Cells" Advanced Functional Materials, 2021, 2100870
[32] Jin-Woo Lee, Cheng Sun, Boo Soo Ma, Hyeong Jun Kim, Cheng Wang, Jong Min Ryu, Chulhee Lim, Taek-Soo Kim*, Yun-Hi Kim*, Soon-Ki Kwon*, and Bumjoon J. Kim* "Efficient, Thermally Stable, and Mechanically Robust All-Polymer Solar Cells Consisting of the Same Benzodithiophene Unit-Based Polymer Acceptor and Donor with High Molecular Compatibility" Advanced Energy Materials, 2021,11, 2003367
(Before Sogang)
2020
[31] Hyeong Jun Kim, Lindsay Paquin, Christopher W. Barney, Soonyong So, Baohong Chen, Zhigang Suo*, Alfred J. Crosby*, and Ryan C. Hayward* "Low-Voltage Reversible Electro-Adhesion of Ionoelastomer Junctions" Advanced Materials, 2020, 2000600
[30] Hyeong Jun Kim, Baohong Chen, Zhigang Suo*, and Ryan C. Hayward* "Ionoelastomer Junctions Between Polymer Networks of Fixed Anions and Cations" Science, 2020, 367, 773
Perspective by Dace Gao and Pool See Lee, "Rectifying ionic current with ionoelastomers", Science 2020, 367, 735
Covered in Chemistry World, "Stretchy ionic polymers pave the way for ion-based tech" Feb. 2020
Covered in Phys.org, "Ionotronic technology that doesn't require liquid electrolytes" Feb. 2020
Covered in Chemistry World "Using ions to connect life to machine" Aug. 2020
2019
[29] Hyeong Jun Kim, Jin-Seong Kim, Youngkwon Kim, Yeon Sik Jung, Bumjoon J. Kim*, and YongJoo Kim* "Regioregularity Controlled Phase Behavior for Poly(3-hexylthiophene): A Combined Study of Simple Coarse-Grained Simulation and Experiment" Polymer 2019, 178, 121569
[28] Hyeonjung Park, Boo Soo Ma, Jin-Seong Kim, Youngkwon Kim, Hyeong Jun Kim, Donguk Kim, Junghun Han, Felix Sunjoo Kim, Taek-Soo Kim, and Bumjoon J. Kim* "Regioregular-block-Regiorandom Poly(3-hexylthiophene) Copolymers for Mechanically-Robust and High-Performance Thin Film Transistors" Macromolecules 2019, 52, 7721
[27] Jin-Seong Kim, Jee-Eun Choi, Hyeonjung Park, Youngkwon Kim, Hyeong Jun Kim, Junghun Han, Jae Man Shin, and Bumjoon J. Kim* "Synthesis and Crystallization Behavior of Regioregular-block-Regiorandom poly(3- hexylthiophene) Copolymers" Polymer Chemistry 2019, 10, 3030
2018
[26] Youngkwon Kim, Hyeong Jun Kim, Jin-Seong Kim, Hongseok Yun, Hyeon Jung Park, Junghun Han, and Bumjoon J. Kim* "Modulating Regioregularity of P3HT-based Amphiphilic Block Polymers to Control Solution Assembly from Nanowires to Micelles" Chemistry of Materials 2018 30, (21), 7912-7921
[25] Jung Eun Yang†, Si Jae Park†, Won Jun Kim, Hyeong Jun Kim, Bumjoon J. Kim, Hyuk Lee, Jihoon Shin, Sang Yup Lee* "One-Step Fermentative Production of Aromatic Polyesters From Glucose by Metabolically Engineered Escherichia Coli Strains" Nature Communications 2018 9, 79
2017
[24] Taesu Kim, Joonhyeong Choi, Hyeong Jun Kim, Wonho Lee, Bumjoon J. Kim* "Comparative Study of Thermal Stability, Morphology, and Performance of All-Polymer, Fullerene–Polymer, and Ternary Blend Solar Cells Based on the Same Polymer Donor" Macromolecules 2017 50 (17), 6861-6871
[23] Hyeong Jun Kim, Moo Yeol Lee, Jin-Seong Kim, Jae-Han Kim, Hojeong Yu, Kin Liao, Taek-Soo Kim*, Joon Hak Oh*, and Bumjoon J. Kim* "Solution-Assembled Blends of Regioregularity-Controlled Polythiophenes for Coexistence of Mechanical Resilience and Electronic Performance" ACS Applied Materials & Interfaces 2017 9 (16), 14120-14128
[22] Jin-Seong Kim, Yongjoo Kim, Hyun-Jeong Kim, Hyeong Jun Kim, Hyunseung Yang, Yeon Sik Jung, Gila E. Stein, and Bumjoon J. Kim* "Regioregularity-Driven Morphological Transition of Poly(3-hexylthiophene)-Based Block Copolymers" Macromolecules 2017 50 (5), pp 1902-1908
[21] Youngkwon Kim†, Hyeong Jun Kim†, Jin-Seong Kim Ryan C. Hayward* and Bumjoon J. Kim* "Architectural Effects on Solution Self-Assembly of Poly(3-hexylthiophene)-Based Graft Copolymers" ACS Applied Materials & Interfaces 2017, 9 (3), 2933-2941 (Equal Contribution)
2015
[20] Hyeong Jun Kim, Matthew Skinner, Hojeong Yu, Joon Hak Oh, Alejandro L. Briseno, Todd Emrick, Bumjoon J. Kim*, and Ryan C. Hayward* "Water Processable Polythiophene Nanowires by Photo-Cross-Linking and Click-Functionalization" Nano Letters 2015, 15 (9), 5689-5695
[19] Wonho Lee, Jin-Seong Kim, Hyeong Jun Kim, Jae Man Shin, Kang Hee Ku, Hyunseung Yang, Junhyuk Lee, Jung Gun Bae, Won Bo Lee*, and Bumjoon J. Kim* "Graft Architectured Rod-Coil Copolymers Based on Alternating Conjugated Backbone: Morphological and Optical Properties" Macromolecules 2015, 48 (16), 5563-5569
[18] Jin-Seong Kim, Jae-Han Kim, Wonho Lee, Hojeong Yu, Hyeong Jun Kim, Inho Song, Minkwan Shin, Joon Hak Oh, Unyong Jeong, Taek-Soo Kim*, and Bumjoon J. Kim* "Tuning Mechanical and Opto-Electrical Properties of Poly(3-hexylthiophene) Through Systematic Regioregularity Control" Macromolecules 2015, 48 (13), 4339-4346
[17] Minsoo Kim, Hyeong Jun Kim, Bumjoon J. Kim*, and Gi-Ra Yi* "Structured Nanoporous Surfaces from Hybrid Block Copolymer Micelle Films with Metal Ions" Nanotechnology 2015, 26, 095302
[16] Dong Jin Kang, Han-Hee Cho,Inhwa Lee, Ki-Hyun Kim, Hyeong Jun Kim, Kin Liao, Taek-Soo Kim, and Bumjoon J. Kim* "Enhancing Mechanical Properties of Highly Efficient Polymer Solar Cells Using Size-Tuned Polymer Nanoparticles" ACS Applied Materials & Interfaces 2015, 7, 2668-2676
[15] Moo Yeol Lee, Hyeong Jun Kim, Gwan Yeong Jung, A-Reum Han, Sang Kyu Kwak, Bumjoon J. Kim*, and Joon Hak Oh* "Highly Sensitive and Selective Liquid-Phase Sensors Based on a Solvent-Resistant Organic Transistor Platform" Advanced Materials 2015, 27, 1540-1546
2014
[14] Hyeong Jun Kim, Jae-Han Kim, Ji-Ho Ryu, Youngkwon Kim, Hyunbum Kang, Won Bo Lee, Taek-Soo Kim*, and Bumjoon J. Kim* "Architectural Engineering of Rod-Coil Compatibilizers for Producing Mechanically and Thermally Stable Polymer Solar Cells" ACS Nano 2014, 8 (10), 10461-10470
[13] Ming Liang Jin, Jong Kil Choi, Dae Woo Kim, Jong-Min Park, Cheng Jin An, Hyeong Jun Kim, Bumjoon J. Kim, Ying Diao and Hee-Tae Jung* "Enhanced Thermal Stability of Organic Solar Cells on Nano Structured Electrode by Simple Acid Etching" Organic Electronics 2014, 15 (3), 680-684
[12] Youngwoon Yoon, Hyeong Jun Kim, Chul-Hee Cho, Seulki Kim, Hae Jung Son, Min-Jae Ko, Honggon Kim, Doh-Kwon Lee, Jin Young Kim, Wonmok Lee, Bumjoon J. Kim, and BongSoo Kim* "Carrier Lifetime Extension via the Incorporation of Robust Hole/Electron Blocking Layers in Bulk Heterojunction Polymer Solar Cells"
ACS Applied Materials & Interfaces 2014, 6 (1), 333-339
2013
[11] Hyeong Jun Kim, Kwanyeol Paek, Hyunseung Yang, Chul-Hee Cho, Jin-Seong Kim, Wonbo Lee, and Bumjoon J. Kim* "Molecular Design of Graft Assembly for Ordered Microphase Separation of P3HT-based Rod-Coil Copolymers" Macromolecules 2013, 46 (21), 8472–8478
[10] Minsoo P. Kim†, Kang Hee Ku†, Hyeong Jun Kim, Se Gyu Jang, Gi-Ra Yi*, and Bumjoon J. Kim* "Surface Intaglio Nanostructures on Microspheres of Gold-Cored Block Copolymer Micelles" Chemistry of Materials 2013, 25 (21), 4416-4422
[9] Tae Eui Kang, Han-Hee Cho, Hyeong Jun Kim, Wonho Lee, Hyunbum Kang, and Bumjoon J. Kim* "Importance of Optimal Composition in Random Terpolymer Based Polymer Solar Cells" Macromolecules 2013, 46 (17), 6806–6813
[8] Jae Won Jeong, Yoon Hyung Hur, Hyeong Jun Kim, Woon Ik Park, Jong Min Kim, Bumjoon Kim, Mi Jeong Kim and Yeon Sik Jung* "Proximity Injection of Plasticizing Molecules to Self-Assembling Polymers for Large-area, Fast Nanopatterning in the Sub-10 nm Regime" ACS Nano 2013, 7 (8), 6747–6757
[7] Su Yeon Lee, Shin-Hyun Kim, Minsoo P. Kim, Hwan Chul Jeon, Hyelim Kang, Hyeong Jun Kim, Bumjoon J. Kim, and Seung-Man Yang* "Freestanding and Arrayed Nanoporous Microcylinders for Highly Active 3D SERS Substrate" Chemistry of Materials 2013, 25 (12), 2421-2426
2012
[6] Jerome K. Hyun, Changui Ahn, Hyunbum Kang, Hyeong Jun Kim, Junyong Park, Ki-Hyun Kim, Chi Won Ahn, and Bumjoon J. Kim, and Seokwoo Jeon* "Soft Elastomeric Nanopillar Stamps for Enhancing Absorption in Organic Thin-Film Solar Cells" Small 2012, 9 (3), 369-374
[5] Han-Hee Cho, Tae Eui Kang, Ki-Hyun Kim, Hyunbum Kang, Hyeong Jun Kim, and Bumjoon J. Kim* "Effect of Incorporated Nitrogens on the Planarity and Photovoltaic Performance of Donor-Acceptor Copolymers" Macromolecules 2012, 45 (16), 6415-6423
[4] Chul-Hee Cho†, Hyeong Jun Kim†, Hyunbum Kang, Tae Joo Shin and Bumjoon J. Kim* "Effect of Side-Chain Length on Regioregular Poly[3-(4-n-alkyl)phenylthiophene]/PCBM and ICBA Polymer Solar Cells" Journal of Materials Chemistry 2012, 22, 14236-14245 (Equal contribution).
[3] Ki-Hyun Kim†, Hyunbum Kang†, Hyeong Jun Kim, Pan Seok Kim, Sung Cheol Yoon*, and Bumjoon J. Kim* "Effects of Solubilizing Group Modification in Fullerene Bis-Adducts on Normal and Inverted Type Polymer Solar Cells" Chemistry of Materials 2012, 24 (12), 2373-2381
[2] Hyeong Jun Kim, A-Reum Han, Chul-Hee Cho, Hyunbum Kang, Han-Hee Cho, Moo Yeol Lee, Jean M.J. Frechet, Joon Hak Oh* and Bumjoon J. Kim* "Solvent-Resistant Organic Transistors and Thermally-Stable Organic Photovoltaics Based on Crosslinkable Conjugated Polymers" Chemistry of Materials 2012, 24 (1), 215-221
[1] Hyunbum Kang , Chul-Hee Cho , Tae Eui Kang , Hyeong Jun Kim , Ki-Hyun Kim , Han-Hee Cho , Sung Cheol Yoon , and Bumjoon J. Kim* "Controlling Number of Indene Solubilizing Groups in Multiadduct Fullerenes for Tuning Opto-Electronic Properties and Open-Circuit Voltage in Organic Solar Cells" ACS Applied Materials & Interfaces 2012, 4 (1), 110-116