Oxygen vacancies promoted interfacial charge carrier transfer of CdS/ZnO heterostructure for photocatalytic hydrogen generation
文献类型:期刊论文
作者 | Xie, Ying Peng ; Yang, Yongqiang ; Wang, Guosheng ; Liu, Gang |
刊名 | JOURNAL OF COLLOID AND INTERFACE SCIENCE |
出版日期 | 2017-10-01 |
卷号 | 503页码:198-204 |
ISSN号 | 0021-9797 |
关键词 | Direct Z-scheme Oxygen vacancies Interface electron transfer Cds/ZnO Hydrogen |
通讯作者 | Xie, YP (reprint author), Shenyang Univ Chem Technol, Coll Chem Engn, Key Lab Inorgan Mol Based Chem Liaoning Prov, 11 St Econ & Technol Dev Zone, Shenyang 110142, Peoples R China. ; Liu, G (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua RD, Shenyang 110016, Peoples R China. |
中文摘要 | The solid-state Z-scheme trinary/binary heterostructures show the advantage of utilizing the high-energy photogenerated charge carriers in photocatalysis. However, the key factors controlling such Z-scheme in the binary heterostructures are still unclear. In this paper, we showed that oxygen vacancies could act as an interface electron transfer mediator to promote the direct Z-scheme charge transfer process in binary semiconductor heterostructures of CdS/ZnS. Increasing the concentration of surface oxygen vacancies of ZnO crystal can greatly enhance photocatalytic hydrogen generation of CdS/ZnO heterostructure. This was attributed to the strengthened direct Z-scheme charge transfer process in CdS/ZnO, as evidenced by steady-state/time-resolved photoluminescence spectroscopy and selective photodeposition of metal particles on the heterostructure. (C) 2017 Elsevier Inc. All rights reserved. |
学科主题 | Chemistry, Physical |
资助信息 | National Natural Science Foundation of China [51402199, 51422210]; Education Department of Liaoning Province [LZ2015060] |
收录类别 | SCI |
语种 | 英语 |
公开日期 | 2017-08-17 |
源URL | [http://ir.imr.ac.cn/handle/321006/78007] |
专题 | 金属研究所_中国科学院金属研究所 |
推荐引用方式 GB/T 7714 | Xie, Ying Peng,Yang, Yongqiang,Wang, Guosheng,et al. Oxygen vacancies promoted interfacial charge carrier transfer of CdS/ZnO heterostructure for photocatalytic hydrogen generation[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2017,503:198-204. |
APA | Xie, Ying Peng,Yang, Yongqiang,Wang, Guosheng,&Liu, Gang.(2017).Oxygen vacancies promoted interfacial charge carrier transfer of CdS/ZnO heterostructure for photocatalytic hydrogen generation.JOURNAL OF COLLOID AND INTERFACE SCIENCE,503,198-204. |
MLA | Xie, Ying Peng,et al."Oxygen vacancies promoted interfacial charge carrier transfer of CdS/ZnO heterostructure for photocatalytic hydrogen generation".JOURNAL OF COLLOID AND INTERFACE SCIENCE 503(2017):198-204. |
入库方式: OAI收割
来源:金属研究所
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