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Interface Engineering of a CoOx/Ta3N5 Photocatalyst for Unprecedented Water Oxidation Performance under Visible-Light-Irradiation
Chen, Shanshan1,2; Shen, Shuai1; Liu, Guiji1,2; Qi, Yu1,2; Zhang, Fuxiang1; Li, Can1
关键词Cocatalysts Interface Engineering Photocatalysis Tantalum Nitride Water Splitting
刊名ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2015-03-02
DOI10.1002/anie.201409906
54期:10页:3047-3051
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]TA-O-N ; RECENT PROGRESS ; CORE/SHELL NANOPARTICLES ; LAYER ; PHOTOANODES ; BIVO4 ; FABRICATION ; COCATALYST ; CATALYSTS ; NATAO3
英文摘要Cocatalysts have been extensively used to promote water oxidation efficiency in solar-to-chemical energy conversion, but the influence of interface compatibility between semiconductor and cocatalyst has been rarely addressed. Here we demonstrate a feasible strategy of interface wettability modification to enhance water oxidation efficiency of the state-of-the-art CoOx/Ta3N5 system. When the hydrophobic feature of a Ta3N5 semiconductor was modulated to a hydrophilic one by insitu or exsitu surface coating with a magnesia nanolayer (2-5nm), the interfacial contact between the hydrophilic CoOx cocatalyst and the modified hydrophilic Ta3N5 semiconductor was greatly improved. Consequently, the visible-light-driven photocatalytic oxygen evolution rate of the resulting CoOx/MgO(in)-Ta3N5 photocatalyst is ca. 23 times that of the pristine Ta3N5 sample, with a new record (11.3%) of apparent quantum efficiency (AQE) under 500-600nm illumination.
语种英语
WOS记录号WOS:000350302300030
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146059
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
Chen, Shanshan,Shen, Shuai,Liu, Guiji,et al. Interface Engineering of a CoOx/Ta3N5 Photocatalyst for Unprecedented Water Oxidation Performance under Visible-Light-Irradiation[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2015,54(10):3047-3051.
APA Chen, Shanshan,Shen, Shuai,Liu, Guiji,Qi, Yu,Zhang, Fuxiang,&Li, Can.(2015).Interface Engineering of a CoOx/Ta3N5 Photocatalyst for Unprecedented Water Oxidation Performance under Visible-Light-Irradiation.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,54(10),3047-3051.
MLA Chen, Shanshan,et al."Interface Engineering of a CoOx/Ta3N5 Photocatalyst for Unprecedented Water Oxidation Performance under Visible-Light-Irradiation".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 54.10(2015):3047-3051.
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