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Cl- making overall water splitting possible on TiO2-based photocatalysts
Huang, Lei1; Li, Rengui1,2; Chong, Ruifeng1,2; Liu, Gang1; Han, Jingfeng1,2; Li, Can1
刊名CATALYSIS SCIENCE & TECHNOLOGY
2014
DOI10.1039/c4cy00408f
4期:9页:2913-2918
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]VISIBLE-LIGHT IRRADIATION ; SHUTTLE REDOX MEDIATOR ; HYDROGEN-PRODUCTION ; LIQUID WATER ; CARBONATE ADDITION ; AQUEOUS-SOLUTIONS ; CHLORINE DIOXIDE ; INMO4 M ; PHOTOLYSIS ; TIO2
英文摘要Overall water splitting on a TiO2-based photocatalyst has been extensively investigated. However, in most cases, the products are not in a stoichiometric ratio, thus the reaction is not really overall water splitting. In this work, we found that in the presence of Cl-, the evolution of O-2 and H-2 over Pt/TiO2 can be successfully achieved, and the activity can be enhanced up to 3 times compared to having no Cl- present. Furthermore, the H-2 : O-2 ratio can be close to 2.0, i.e. the stoichiometric ratio of overall water splitting. It is proposed that the Cl- ion is involved with the reaction intermediate of O-2 evolution from water oxidation. Our work not only reported overall water splitting on a TiO2-based photocatalyst, but also provided experimental evidence for understanding the possible reaction process and the mechanism of photocatalytic water splitting.
语种英语
WOS记录号WOS:000340208400018
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145899
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Huang, Lei,Li, Rengui,Chong, Ruifeng,et al. Cl- making overall water splitting possible on TiO2-based photocatalysts[J]. CATALYSIS SCIENCE & TECHNOLOGY,2014,4(9):2913-2918.
APA Huang, Lei,Li, Rengui,Chong, Ruifeng,Liu, Gang,Han, Jingfeng,&Li, Can.(2014).Cl- making overall water splitting possible on TiO2-based photocatalysts.CATALYSIS SCIENCE & TECHNOLOGY,4(9),2913-2918.
MLA Huang, Lei,et al."Cl- making overall water splitting possible on TiO2-based photocatalysts".CATALYSIS SCIENCE & TECHNOLOGY 4.9(2014):2913-2918.
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