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题名: Dual Cocatalysts Loaded Type I CdS/ZnS Core/Shell Nanocrystals as Effective and Stable Photocatalysts for H-2 Evolution
作者: Huang, Lei1;  Wang, Xiuli1;  Yang, Jinhui1;  Liu, Gang1;  Han, Jingfeng1;  Li, Can1
刊名: JOURNAL OF PHYSICAL CHEMISTRY C
发表日期: 2013-06-06
DOI: 10.1021/jp400010z
卷: 117, 期:22, 页:11584-11591
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: The photocatalytic activity and stability of nanocrystals (NCs) are two important issues for their application in photocatalysis. In this work, we report a combined method to promote the photocatalytic activity as well as the stability of CdS NCs for photocatalytic H-2 evolution. ZnS shell was grown on CdS NCs forming type I core/shell CdS/ZnS nanocrystals (NCs) to restrain the photocorrosion and passivate the trap states on CdS NCs. Thereafter, dual cocatalysts were loaded to promote the separation and transfer of electrons and holes from the core to outer surface for photocatalytic reactions. It is found that Pt and Ni are effective reduction cocatalysts (RCs) while PdS and PbS are effective oxidation cocatalysts (OCs) for promoting the charge separation and transfer. This strategy was also proved to be effective for other type I core/shell NCs, such as CdTe/CdS/ZnS NCs.
关键词[WOS]: SHELL QUANTUM DOTS ;  SEMICONDUCTOR NANOCRYSTALS ;  HYDROGEN-PRODUCTION ;  VISIBLE-LIGHT ;  OPTICAL-PROPERTIES ;  CHARGE SEPARATION ;  CDS NANOCRYSTALS ;  PT-PDS/CDS ;  WATER ;  GENERATION
语种: 英语
WOS记录号: WOS:000320214800016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137958
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, State Key Lab Catalysis, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China

Recommended Citation:
Huang, Lei,Wang, Xiuli,Yang, Jinhui,et al. Dual Cocatalysts Loaded Type I CdS/ZnS Core/Shell Nanocrystals as Effective and Stable Photocatalysts for H-2 Evolution[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2013,117(22):11584-11591.
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