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Fabrication of g-C3N4/Au/CdZnS Z-scheme photocatalyst to enhance photocatalysis performance
Ma, Xiumin1; Jiang, Quantong1; Guo, Weimin2; Zheng, Meng1; Xu, Weichen1; Ma, Fubin1; Hou, Baorong1
2016
Source PublicationRSC ADVANCES
Volume6Issue:34Pages:28263-28269
SubtypeArticle
AbstractIn this study, a sandwich-structured C3N4/Au/CdZnS photocatalyst with Au nanoparticles sandwiched between C3N4 and CdZnS was fabricated. The results showed that there was a 6.3 mmol g(-1) increase of hydrogen production for C3N4/Au/CdZnS photocatalyst compared to C3N4/CdZnS in 4 h. The photoinduced I-t curve, electrochemical impedance spectrum (EIS), photogenerated electron lifetime and photoluminescence spectra showed that the photocatalytic ability of the composite was enhanced by anchoring Au as the electron transfer mediator between C3N4 and CdZnS through the Z-scheme charge-carrier transfer mechanism. Au functioned as an electron transition mediator, which could induce a combination between photogenerated electrons and holes in the CdZnS and C3N4, respectively. These photogenerated holes of CdZnS can be involved in the S2-/SO32- oxidation process and the electrons from the C3N4 surface might be involved in the water to hydrogen reduction reaction, thus enhancing the photocatalysis performance of C3N4/Au/CdZnS photocatalyst.
DOI10.1039/c5ra27429j
Indexed BySCI
Language英语
WOS IDWOS:000372610200015
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/126213
Collection海洋环境腐蚀与与生物污损重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Luoyang Ship Mat Res Inst, State Key Marine Corros & Protect, Qingdao 266101, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Ma, Xiumin,Jiang, Quantong,Guo, Weimin,et al. Fabrication of g-C3N4/Au/CdZnS Z-scheme photocatalyst to enhance photocatalysis performance[J]. RSC ADVANCES,2016,6(34):28263-28269.
APA Ma, Xiumin.,Jiang, Quantong.,Guo, Weimin.,Zheng, Meng.,Xu, Weichen.,...&Hou, Baorong.(2016).Fabrication of g-C3N4/Au/CdZnS Z-scheme photocatalyst to enhance photocatalysis performance.RSC ADVANCES,6(34),28263-28269.
MLA Ma, Xiumin,et al."Fabrication of g-C3N4/Au/CdZnS Z-scheme photocatalyst to enhance photocatalysis performance".RSC ADVANCES 6.34(2016):28263-28269.
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