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题名: Photocatalytic H-2 Evolution on MoS2/CdS Catalysts under Visible Light Irradiation
作者: Zong, Xu1;  Wu, Guopeng1;  Yan, Hongjian1;  Ma, Guijun1;  Shi, Jingying1;  Wen, Fuyu1;  Wang, Lu1;  Li, Can1
刊名: JOURNAL OF PHYSICAL CHEMISTRY C
发表日期: 2010-02-04
DOI: 10.1021/jp904350e
卷: 114, 期:4, 页:1963-1968
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: Photocatalytic H-2 production on MoS2/CdS photocatalysts in the presence of different sacrificial reagents under visible light (lambda > 420 nm) has been investigated. The transformation process of the Mo species loaded on CdS, together with the junctions formed between MoS2 and CdS, was clearly demonstrated with X-ray photoelectron spectroscopy and transmission electron microscopy. Photocatalytic H-2 evolution was optimized for MoS2/CdS catalysts. The 0.2 wt % MoS2/CdS catalyst calcined at 573 K achieves the highest overall activity for H-2 evolution, and the 0.2 Wt % MoS2/CdS catalyst demonstrates even higher activity than the 0.2 wt % Pt/CdS, irrespective of different sacrificial reagents used. The junctions formed between MoS2 and CdS play an important role in enhancing the photocatalytic activity of MoS2/CdS catalysts. Electrochemical measurements indicate that MoS2 is an excellent H-2 evolution catalyst, which is another very important factor responsible for the enhancement of the photocatalytic activity of MOS2/CdS catalysts.
关键词[WOS]: SHUTTLE REDOX MEDIATOR ;  HYDROGEN EVOLUTION ;  SOLID-SOLUTION ;  WATER DECOMPOSITION ;  AQUEOUS-SOLUTIONS ;  O-2 ;  REDUCTION ;  OXIDATION ;  TIO2 ;  NM
语种: 英语
WOS记录号: WOS:000273947600032
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142249
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

Recommended Citation:
Zong, Xu,Wu, Guopeng,Yan, Hongjian,et al. Photocatalytic H-2 Evolution on MoS2/CdS Catalysts under Visible Light Irradiation[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2010,114(4):1963-1968.
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