Understanding of materials through first-principles density functional theory (DFT) calculations

• 2007 – 2013 Ph.D. in Physics, KAIST (Advisor: Kee Joo Chang)
• 2003 – 2007 B.S. in Physics and Mathematics, KAIST

• 2022 – present Assistant Professor, SKKU Advanced Institute of Nano Technology (SAINT) & Department of Nano Engineering, Sungkyunkwan University
• 2019 – 2022 Assistant Professor, Department of Physics, Kyungpook National University
• 2018 – 2019 Royal Society - Shooter International Fellow, Imperial College London
• 2017 – 2018 Research Associate, Imperial College London
• 2016 – 2017 Postdoctoral Researcher, Argonne National Laboratory
• 2013 – 2016 Postdoctoral Researcher, National Renewable Energy Laboratory

• (2025) Density Functional Theory Screening of Dopants in NiO and Mobility Limits. JOURNAL OF PHYSICAL CHEMISTRY LETTERS. 16, 42
• (2025) Odd-Even Effects of Linear Alkyl-Based Organic Spacers for Efficient Charge Transport in Two-Dimensional Dion-Jacobson Tin Perovskites. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. 147, 21
• (2025) Simultaneous passivation of surface and bulk defects in all-perovskite tandem solar cells using bifunctional lithium salts. INFOMAT. 7, 4
• (2024) Highly Efficient Wide Bandgap Perovskite Solar Cells with Tunneling Junction by Self-Assembled 2D Dielectric Layer. ADVANCED MATERIALS. 36, 41
• (2024) Boosted Chirality Transfer in 2D Perovskites through Structural Isomer-Driven Halogen–Halogen Interaction. ADVANCED FUNCTIONAL MATERIALS. -, -
• (2024) Autonomous Control of Ion Migration at α-FAPbI3 Heterointerfaces via Interfacial-Self-Assembled 2D Perovskite. ADVANCED ENERGY MATERIALS. 14, 40
• (2024) Strain-graded quantum dots with spectrally pure, stable and polarized emission. NATURE COMMUNICATIONS. 15, 1
• (2024) Fluorinated Organic Cations Derived Chiral 2D Perovskite Enabling Enhanced Spin-Dependent Oxygen Evolution Reaction. ADVANCED SCIENCE. 11, 33
• (2024) Unlocking Invisible Defects of ZnSe Alloy Shells in Giant Quantum Dots with Near Unity Quantum Yield. ADVANCED ENERGY MATERIALS. -, -
• (2024) Machine learning of kesterite materials using cost-effective hybrid density functional theory. Current Applied Physics. 59
• (2024) Dual-logic-in-memory implementation with orthogonal polarization of van der Waals ferroelectric heterostructure. INFOMAT. 6, 2
• (2024) Growth Control of InP/ZnSe Heterostructured Nanocrystals. ADVANCED MATERIALS. -, -
• (2024) Tailoring hole-selective contacts via self-assembled monolayers for advancing indoor organic photovoltaic and capacitor devices. CHEMICAL ENGINEERING JOURNAL. 481, 0
• (2024) Accelerated degradation of FAPbI3 perovskite by excess charge carriers and humidity. SOLAR RRL. 8, 5
• (2023) Iridium-Cooperated, Symmetry-Broken Manganese Oxide Nanocatalyst for Water Oxidation. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. 145, 49
• (2023) Enhancing Efficiency and Stability of Tin Halide Perovskite Light-Emitting Diodes via Engineered Alkali/Multivalent Metal Salts. ACS APPLIED MATERIALS & INTERFACES. 15, 49
• (2023) Buried interface modulation via PEDOT:PSS ionic exchange for the Sn-Pb mixed perovskite based solar cells. CHEMICAL ENGINEERING JOURNAL. 479, 1
• (2023) P- and N-type InAs nanocrystals with innately controlled semiconductor polarity. SCIENCE ADVANCES. 9, 45
• (2023) Role of cations in the photovoltaic performance optimization of ternary stannates, MSnO3 (M = Ca, Sr, and Ba) and N2SnO4 (N = Ca, Sr, Ba, and Zn). CERAMICS INTERNATIONAL. 49, 19
• (2023) Coherent heteroepitaxial growth of I-III-VI2 Ag(In,Ga)S2 colloidal nanocrystals with near-unity quantum yield for use in luminescent solar concentrators. NATURE COMMUNICATIONS. 14, 1

• Young Physicist Award, The Korean Physical Society (2018)
• Shooter International Fellowship, The Royal Society (2017)
• Outstanding Doctoral Dissertation Award of the Year, S-OIL Science & Culture Foundation (2013)