Semiconductor nanoparticles (quantum dots)
• Quantum dot synthesis / photophysical analysis / structural analysis / optoelectronic devices
• Display materials and devices

• B.S. in Chemical and Biological Engineering, Seoul National University (2003)
• M.S. in Chemical and Biological Engineering, Seoul National University (2005)
• Ph.D. in Chemical and Biological Engineering, Seoul National University (2009)

• Assistant Professor / Associate Professor, Sungkyunkwan University (2018–Present)
• Senior Researcher, Photonics-Hybrid Research Center, KIST (2013–2018)
• Postdoctoral Researcher, Los Alamos National Laboratory (2010–2013)
• Postdoctoral Researcher, Semiconductor Research Center, Seoul National University (2009–2010)

• (2025) Effect of microlens arrays on light extraction efficiency in red and green quantum-dot light-emitting diodes. Micro and Nano Engineering. 29
• (2025) Controlled Self-Assembly of Silica-Coated Nanocrystal Networks through Ligand-Depletion-Induced Gelation. INORGANIC CHEMISTRY. 64, 46
• (2025) Ferroelectric Quantum Dots for Retinomorphic In‐Sensor Computing. ADVANCED MATERIALS. 202504117, 202504117
• (2025) Low-Energy Cathodoluminescence of Type-I CdSe/ZnCdS Quantum Dots. JOURNAL OF PHYSICAL CHEMISTRY C. 129, 33
• (2025) A Sweeter Solution: Caramelized Sucrose Additives Render Eco-Friendly and High-Performance Perovskite Solar Cells. ADVANCED ENERGY MATERIALS. 15, 32
• (2025) Enhanced Stability of Cd-Free Quantum Dot Light-Emitting Diodes via Yttrium Acetate-Modified ZnMgO: Suppressing Mg Migration. ADVANCED OPTICAL MATERIALS. 13, 22
• (2025) Stable Colored Photovoltaics with Thiol–Ene Crosslinked InP/ZnSexS1−x/ZnS Quantum Dot-Polymer Downshifting Layers. SMALL STRUCTURES. 6, 7
• (2025) Advanced Exciplex Sensitized Green InP-Based Quantum Dot Light Emitting Diodes for Extended Lifespan. ADVANCED OPTICAL MATERIALS. 13, 10
• (2025) Investigation of excess charge carriers and optimization of InP quantum-dot light-emitting diodes using self-assembled monolayers. Organic Electronics. 138
• (2025) Highly Enhanced Light Recycling in Quantum Dot Displays by Sidewall Reflectors. ADVANCED OPTICAL MATERIALS. 13, 5
• (2025) Cd-Free Quantum-Dot Light-Emitting Diodes through Nanometer-Thick ZnS/ZnMgO Double-Electron Transport Layers. ACS APPLIED NANO MATERIALS. 8, 1
• (2025) Direct Evidence of Excessive Charge-Carrier-Induced Degradation in InP Quantum-Dot Light-Emitting Diodes. ACS APPLIED MATERIALS & INTERFACES. 17, 1
• (2025) High-Performance InP Quantum-Dot Light-Emitting Diodes with a NiO x Nanoparticle-Embedded Hybrid Emissive Layer. ACS APPLIED MATERIALS & INTERFACES. 17, 1
• (2024) All-Solution-Processed Top-Emitting InP Quantum Dot Light-Emitting Diode with Polyethylenimine Interfacial Layer. ADVANCED ELECTRONIC MATERIALS. 10, 11
• (2024) Time-Resolved Mechanism of Positive Aging in InP Quantum-Dot Light-Emitting Diodes. ACS APPLIED MATERIALS & INTERFACES. 16, 35
• (2024) Quantum Dot-Based Three-Stack Tandem Near-Infrared-to-Visible Optoelectric Upconversion Devices. ACS NANO. 18, 33
• (2024) Impact of Alternating-Current Operation on All-Inorganic Quantum Dot Light-Emitting Diodes. ACS APPLIED MATERIALS & INTERFACES. 16, 30
• (2024) Strain-graded quantum dots with spectrally pure, stable and polarized emission. NATURE COMMUNICATIONS. 15, 5561
• (2024) Effect of the incorporation of gallium ions into silver indium sulfide nanocrystals. CHEMICAL COMMUNICATIONS. 60, 44
• (2024) Efficient and stable InP quantum-dot light-emitting diodes formed by premixing 2-hydroxyethyl methacrylate into ZnMgO. JOURNAL OF MATERIALS CHEMISTRY C. 12, 20

• 2023 Minister’s Award, Ministry of Science and ICT, Republic of Korea
• 2017 Selected as one of the 100 Key Technologies and Leaders, National Academy of Engineering of Korea
• 2016 Merck Young Scientist Award