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学科主题物理化学
Roles of the dual-cocatalyst in the Pt-PdS/CdS showing exceptional high quantum efficiency for photocatalytic hydrogen production
Yang JH(杨金辉); Yan HJ(鄢洪建); Ma GJ(马贵军); Wen FY(温福宇); Ma BJ(马保军); Li C(李灿)
会议名称Sixth Tokyo Conference on Advanced Catalytic Science and Technology & Fifth Asia Pacific Congress on Catalysis
会议日期2010-7-18
2010-07-18
会议地点Japan
页码189/2
部门归属五室
主办者Catalysis Society of Japan
英文摘要Anatase and rutile TiO2 were investigated with photoluminescence (PL) techniques under weak excitation condition. The visible emission band was assigned to the donor-acceptor recombination. Oxygen vacancies and hydroxyl groups mainly serve as the donor and acceptor sites, respectively. The NIR luminescence is originated from the recombination of trapped electrons with free holes. The carrier dynamics in anatase TiO2 are sensitively affected by heat treatment and the presence of oxygen, while the decay processes stay relatively unchanged for rutile TiO2. The trap states in TiO2 may largely influence the photocatalysis process of TiO2 and may determine the photocatalytic activity.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/114106
专题中国科学院大连化学物理研究所
通讯作者Li C(李灿)
推荐引用方式
GB/T 7714
Yang JH,Yan HJ,Ma GJ,et al. Roles of the dual-cocatalyst in the Pt-PdS/CdS showing exceptional high quantum efficiency for photocatalytic hydrogen production[C],2010:189/2.
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