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Choi Minuk

自己紹介

生命・応用化学専攻 博士後期課程1年 早川研究室

研究紹介

In our lab, we focus on delafossite ceramics. Delafossite CuGaO2 as a p-type semiconductor is classified as a wide band-gap semiconductor owing to direct transitions on the high energy side. Solid state reaction and sol-gel synthesis are applicable as traditional methods for synthesizing delafossite CuGaO2. However, both synthesis methods require high temperatures, and the sol-gel method additionally requires a nitrogen gas atmosphere. In this study, hexagonal-platelet CuGaO2 is synthesized using a hydrothermal method, which can be applied to the synthesis of the CuGaO2/ZnO hybrids. As a result, it was found that the surface of platelet CuGaO2 particles could be used to create hybrids with n-type ZnO semiconductors. 

 

博士後期課程に進学した理由

My motivation for Ph. D. is my interests for scientific knowledge.

 

論文・受賞歴

M.U. Choi, T. Hayakawa, Hydrothermal synthesis and photocatalytic properties of CuGaO2/ZnO hexagonal platelet hybrids, Mater. Res. Bull., 113 (2019), 84-89

 

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