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题名: Enhancement of Photocatalytic Water Oxidation Activity on IrOx-ZnO/Zn2-xGeO4-x-3yN2y Catalyst with the Solid Solution Phase Junction
作者: Ma, Baojun1;  Yang, Jinhui1;  Han, Hongxian1;  Wang, Jiantao2;  Zhang, Xiaohong2;  Li, Can1
刊名: JOURNAL OF PHYSICAL CHEMISTRY C
发表日期: 2010-07-29
DOI: 10.1021/jp103722j
卷: 114, 期:29, 页:12818-12822
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: A three-component photocatalyst IrOx-ZnO/Zn2-xGeO4-x-3yN2y was designed and investigated for photocatalytic O-2 production under visible light irradiation. It was found that loading of IrOx or ZnO alone could efficiently improve the photocatalytic activity. The even higher photocatalytic activity was achieved by coloading of IrOx and ZnO on Zn2-xGeO4-x-3yN2y, which was about 5.6 times that of Zn2-xGeO4-x-3yN2y alone. The photocatalysts simultaneously coloaded with IrOx and ZnO on Zn2-xGeO4-x-3yN2y showed higher photocatalytic activities than those coloaded with IrOx and ZnO sequentially. The high resolution transmission electron microscopy (HETEM) characterization showed that a solid solution phase junction (SSPJ) was possibly formed at the interface of ZnO and Zn2-xGeO4-x-3yN2y nanaoparticles. This phase junction formed between ZnO and Zn2-xGeO4-x-3yN2y may promote the charge separation and consequently result in the enhanced photocatalytic activity.
关键词[WOS]: SHUTTLE REDOX MEDIATOR ;  ZINC GERMANIUM OXYNITRIDE ;  VISIBLE-LIGHT IRRADIATION ;  Z-SCHEME ;  SPLITTING SYSTEM ;  PHOTOSYSTEM-II ;  O-2 ;  H-2 ;  TIO2 ;  (ZN1+XGE)(N2OX)
语种: 英语
WOS记录号: WOS:000280070900060
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141914
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Tech Inst Phys & Chem, Nanoorgan Photoelect Lab, Beijing 100190, Peoples R China

Recommended Citation:
Ma, Baojun,Yang, Jinhui,Han, Hongxian,et al. Enhancement of Photocatalytic Water Oxidation Activity on IrOx-ZnO/Zn2-xGeO4-x-3yN2y Catalyst with the Solid Solution Phase Junction[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2010,114(29):12818-12822.
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