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김정환 조교수 (junghwan.kim@pknu.ac.kr)
- 전공분야 차세대 나노 에너지 소재 및 공정
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학력
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- Gwangju Institute of Science and Technology (GIST), Department of Nanobio Materials and Electronics, Ph.D.
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(Advisor: Prof. Kwanghee Lee)
- GIST, School of Materials Science and Engineering, M.S. (Advisor: Prof. Kwanghee Lee)
경력
2020. Sep. - present Assistant professor, Department of Materials System Engineering, Pukyong National University
2018-2020. Aug. Senior Research Scientist, KIST (Photo-electronic Hybrids Research Center, Seoul)
2016-2018 Post Doc., University of Toronto, Canada (Advisor: Prof. Ted Sargent)
2015-2016 Post Doc., GIST (Heeger Center for Advanced Materials)
연구분야
• New materials (e.g., perovskites, conjugated organic molecules, colloidal quantum dots, BNNTs)
• Device physics and material defect engineering
• High-Performance organic-inorganic hybrid materials for photovoltaics and light emission
• Ultra-flexible and lightweight energy systems for wearable electronics and unmanned aerial vehicles
• Printed large-area PV modules for off-grid renewable energy systems
• Solar-chemical production system for CO2 reduction and renewable fuels
• Nano-materials for radiation shielding and space application
연구실적
(Selected first-authored papers) (*contributed equally)
1. M. I. Saidaminov*, Junghwan Kim*, A. Jain, R. Quintero-Bermudez, H. Tan, G. Long, Y. Zhao, O. Voznyy, and E. H. Sargent. Suppression of Atomic Vacancies via Incorporation of Isovalent Small Ions to Increase the Stability of Halide Perovskite Solar Cells in Ambient Air. Nature Energy, 3, 648, 2018.
2. Junghwan Kim, O. Ouellette, O. Voznyy, M. Wei, J. Choi, M.-J. Choi, J. W. Jo, S.-W. Baek, J. Fan, M. I. Saidaminov, B. Sun, P. Li, D.-H. Nam, S. Hoogland, Z.-H. Lu, F. P. G. de Arquer and E. H. Sargent, Butylamine-Catalyzed Synthesis of Nanocrystal Inks Enables Efficient Infrared CQD Solar Cells. Advanced Materials, 30 1803830, 2018.
3. Junghwan Kim*, M. I. Saidaminov*, H. Tan, Y. Zhao, Y. Kim, J. Choi, J. W. Jo, J. Fan, R. Quintero-Bermudez, Z. Yang, L. Quan, M. Wei, O. Voznyy, E. H. Sargent. Amide-catalyzed Phase-selective Crystallization Reduces the Defect Density in Wide-bandgap Lead Halide Perovskites. Advanced Materials, 30, 1706275, 2018.
4. J. -H. Lee*, Junghwan Kim*, G. Kim, D. Shin, S. Y. Jeong, J. Lee, S. Hong, J. W. Choi, C. Lee, H. Kim, Y. Yi, and K. Lee. Introducing Paired Electric Dipole Layers for Efficient and Reproducible Perovskite Solar Cells. Energy & Environmental Science, 11, 1742, 2018.
5. J. Choi*, M.‐J. Choi*, Junghwan Kim*, F. Dinic, P. Todorovic, B. Sun, M. Wei, S.‐W. Baek, S. Hoogland, F. P. G. de Arquer, O. Voznyy, E. H. Sargent. Stabilizing Surface Passivation Enables Stable Operation of Colloidal Quantum Dot Photovoltaic Devices at Maximum Power Point in an Air Ambient. Advanced Materials, 2020, 32, 1906497.
6. Junghwan Kim, G. Kim, H. Back, J. Kong, I.-W. Hwang, T. K. Kim, S. Kwon, J.-H. Lee, J. Lee, K. Yu, C. Lee, H. Kang and K. Lee. High-Performance Integrated Perovskite and Organic Solar Cells with Enhanced Fill Factors and Near-Infrared Harvesting. Advanced Materials, 28, 3159, 2016.
7. Junghwan Kim, K. Yu, H. Kim, S. Kwon, G. Kim, K. Kwon, and K. Lee. Efficient Charge Extraction in Thick Bulk Heterojunction Solar Cells through Infiltrated Diffusion Doping. Advanced Energy Materials, 4, 1301502, 2014.