[G] 超微細粒材料

[130] Photocatalytic activity of ZrO2 processed by HPT

*王 青¹、Kaveh Edalati¹、小金丸 裕太¹、中村 昇平¹、渡邊 源規¹、石原 達己¹、堀田 善治² (1. Kyushu Univ.、2. Kyushu Inst. of Technology)

キーワード：High-pressure torsion、Black zirconia、Photocatalysis、Water splitting

HPT-processed ZrO2 shows phase transformation, formation of oxygen vacancies, black color, smaller band gap and improved photocatalytic activity in comparison to unprocessed material.