Won Kook Choi
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ZnO-Nanocarbon Core-Shell Type Hybrid Quantum Dots - Won Kook Choi - E-Book
ZnO-Nanocarbon Core-Shell Type Hybrid Quantum Dots
Won Kook Choi
Won Kook Choi received the BS(1984), MS(1986), and Ph.D degree in physics from Yonsei University Korea, in 1993. After that, he joined in Department of Physics, University of Oregon, USA(1993-1994) and Korea Institute of Science and Technology (KIST) as a post-doc in Ceramics Division during 1994-1996. Afterwards he has been worked as a senior and principal research scientist in Thin Film Technology Research Center, Materials Research Division, KIST. During 2012. Feb-2014. Aug, he worked as a head of center in Interface Control Research Center. Since Aug. 2014, he has worked as a director in Materials and Life Science Research Division. He has worked as a professor in Department of Nanomaterials and Nanoscience, Korea University of Science and Technology (KUST). His main research fields are solid surface phenomenon, surface electronic structure study using angle-resolved ultraviolet spectroscopy, and plasma/ion beam surface modification. Since 1998, his research interest was paid on II-VI ZnO semiconductor and LED. In 2008, he reported p-Cu: ZnO/n-SiC heterojunction ZnO-LED emitted cyan-blue color. Recently his group, SNEL (Soft Nano Electronics Laboratory) investigate semiconductor nanoelectronics related to II-VI semiconductor, quantum dot, and van der Waals 2D materials. In 2012, he firstly reported the synthesis of ZnO-graphene core-shell type hybrid quantum dots and realize the emissive ZnO-graphene quantum dot white light-emitting QDLED. Moreover, recently SNEL reported 2D black phosphorous (BP) sheets-based pulsed laser, nonvolatile ferroelectric memory, and charge injection memory.