Regular biography
Lee, Yun Seog is an Associate Professor in the Department of Mechanical Engineering at Seoul National University. He serves as Vice Head (Research Affairs) and leads the Energy Device and Nano-Engineering Laboratory. His research focuses on advanced energy devices and manufacturing technologies, with an emphasis on thin-film deposition, layer transfer, and bonding processes. His work integrates principles of solid mechanics and energy transfer to develop novel fabrication methods for solid-state batteries, optoelectronic systems, and semiconductor/AI devices. He is actively involved in research and development, aiming to achieve high-performance device integration and scalable manufacturing techniques.
Scholar-generated biography
Yun Seog Lee is a researcher at Seoul National University focusing on energy conversion, interface engineering, and thin-film semiconductor technologies. Their work explores innovative methods for improving the efficiency of photovoltaic devices, including Cu2ZnSn(S,Se)4 solar cells, perovskite-CIGS tandem structures, and ultrathin high band gap solar cells. Lee's research also investigates buffer layers, such as gallium oxide and aluminum oxide, for interface passivation and carrier transport optimization. Additionally, they study materials like cuprous oxide and tin sulfide for low-cost, high-performance solar cells. The research emphasizes layer transfer techniques and band gap engineering to enhance device performance and stability.