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Professional Experience

• 2024 – Present, Associate Professor, SKKU Advanced Institute of Nano Technology (SAINT) & Department of Nano Engineering, Sungkyunkwan University

• 2022 – 2024, Assistant Professor, SKKU Advanced Institute of Nano Technology (SAINT) & Department of Nano Engineering, Sungkyunkwan University

• 2017 – 2022, Senior Researcher, Division of Advanced Materials, Korea Research Institute of Chemical Technology (KRICT)

• 2016 - 2017, Postdoctoral Researcher, Department of Mechanical Engineering, Massachusetts Institute of Technology (MIT)

Education

• 2012 – 2017 Ph.D. in Materials Science & Engineering, Seoul National University (Advisor: Prof. Young-Chang Joo)

• 2004 – 2008 B.S. in Chemical Engineering, Kyung Hee University

Selective Journal Article

• (2026)  Volatile eutectics to tailor crystallization for perovskite optoelectronics.  SCIENCE

• (2026)  Interlayer engineering in metal halide perovskite photovoltaics.  Nature Photonics

• (2025)  Perovskite solar cells remain stable under realistic day-night cycling conditions.  Joule

• (2025)  Efficient and luminescent perovskite solar cells using defect-suppressed SnO2 via excess ligand strategy.  Nature Energy

• (2024)  Overcoming stability limitations of efficient, flexible perovskite solar modules.  Joule (Front Cover)

• (2024)  Reduced recombination via tunable surface fields in perovskite thin films.  Nature Energy

• (2021)  Efficient perovskite solar cells via improved carrier management.  NATURE,  590,  7847 (Front Cover)

• (2020)  Record-efficiency flexible perovskite solar cell and module enabled by a porous-planar structure as an electron transport layer.Energy&Environmental Science

• (2019)  An interface stabilized perovskite solar cell with high stabilized efficiency and low voltage loss. Energy & Environmental Science, 12, 2192

• (2017)  Iodide management in formamidinium-lead-halide-based perovskite layers for efficient solar cells.  SCIENCE,  356,  6345

• (2017)  Colloidally prepared La-doped BaSnO3 electrodes for efficient, photostable perovskite solar cells.  SCIENCE,  356,  6334

Honors / Awards

• 2022년 국가연구개발 우수성과 100선 에너지&환경 부문 최우수 선정

• 2022년 자랑스러운 영락인상 (영락재단)

• 2022 공로상, 한국화학연구원

• 2022 장관상, 과학기술정보통신부

• 2021 Highly Cited Author, Royal Society of Chemistry (RSC)

• 2021 우수직원상, 한국화학연구원

• 2021 공로상, 한국화학연구원

• 2020 장관표창, 과학기술정보통신부

• 2020 이사장상, 국가과학기술연구회

• 2016년 KRICT 창의상 (한국화학연구원)

• 2015년 삼성휴먼테크 논문대상 (삼성전자)