Education

• Postdoctoral Fellow: National Renewable Energy Laboratory (Arthur Frank), USA
• PhD: ICMCB-CNRS (Guy Campet), France
• MSc: Inorganic Solid State Chemistry, Seoul National University, (Jin-Ho Choy), Republic of Korea
• BSc: Inorganic Chemistry, Seoul National University, (Jin-Ho Choy), Republic of Korea

Professional Experience

• 2009-Professor, School of Chemical Engineering, Sungkyunkwan University
• 2005-2009 Director, Solar Cell Research Center, Korea Institute of Science and technology (KIST)
• 2000-2005 Principle Scientist, Electronics and Telecommunications Research Institute (ETRI)
• 1997-1999 Postdoctoral Researcher, National Renewable Energy Laboratory (NREL), USA

Honors and Awards

• 2008, Scientist Award of the Month (Korean Government)
• 2008, KIST Award of Month (KIST)
• 2008, Kyunhang Electricity and Energy Award (Korean Government)
• 2009, Best KIST Award (KIST)
• 2010, Dupont Science and Technology Award (Dupont Korea)
• 2016, Dukmyung KAST Engineering Award (KAST)
• 2017, Citation Laureates(Clarivate Analytics)
• 2017-2026 Highly Cited Researchers (Clarivate Analytics)
• 2018, The Samsung HoAm Prize(Samsung HoAm Foundation)
• 2018, Scientist award of the year (selected by journalists)
• 2022, The Rank Prize (UK)
• 2024, NAEK (National Academy of Engineering of Korea) Grand Prize (NAEK)
• 2024, Top Scientist and Technologist Award of Korea (Presidential Award)
• 2024, The ENI Award (Italy)
• 2025, The Humboldt Research Award (Germany)
• 2025, The NIMS Award (Japan)

Research Interests

• Perovskite photovoltaics

Publications (Max 5)

• Redirecting wet–interfacial redox pathways for efficient inverted perovskite solar cells, Science, 393, 800 (2026)
• An entropy-regulating molecular lock stabilizes formamidinium lead halide perovskite, Science, 392, 742 (2026)
• Buried interface molecular hybrid for inverted perovskite solar cells, Nature, 632, 536 (2024)
• Aqueous synthesis of perovskite precursors for highly efficient perovskite solar cells, Science, 383, 524 (2024)
• Homogenizing out-of-plane cation composition in perovskite solar cells, Nature, 624, 557(2023)
• Unveiling facet-dependent degradation and facet engineering for stable perovskite solar cells, Science, 379, 173 (2023)
• Printable organometallic perovskite enables large-area, low-dose X-ray imaging, Nature, 550, 87 (2017)
• Lead iodide perovskite sensitized all-solid-state submicron thin film mesoscopic solar cell with efficiency exceeding 9%*, Scientific Reports, 2, 591 (2012).Highly Cited Article