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Significantly enhanced photocatalytic hydrogen production performance of g-C3N4/CNTs/CdZnS with carbon nanotubes as the electron mediators
Feng, Chang1,2,3,4; Chen, Zhuoyuan1,2,3; Jing, Jiangping1,2,3; Sun, Mengmeng1,3; Tian, Jing1,3,4; Lu, Guiying1,3,4; Ma, Li2; Li, Xiangbo2; Hou, Jian2
2021-07-30
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume80Pages:75-83
Corresponding AuthorChen, Zhuoyuan(zychen@qdio.ac.cn) ; Jing, Jiangping(jpjing@qdio.ac.cn)
AbstractThe electron mediator can effectively improve the performance of the direct Z-scheme heterojunction photocatalysts. However, it is still a great challenge to select cheap and efficient electron mediators and to design them into the Z-scheme photocatalytic system. In the present paper, the g-C3N4/CNTs/CdZnS Z-scheme photocatalyst was prepared using carbon nanotubes (CNTs) as the electron mediators, and its photocatalytic hydrogen production performance was studied. Compared with single-phase g-C3N4, CdZnS and biphasic g-C3N4/CdZnS photocatalysts, the photocatalytic hydrogen production performance of the prepared g-C3N4/CNTs/CdZnS has been significantly enhanced. Meanwhile, g-C3N4/CNTs/CdZnS possesses very good photocatalytic hydrogen production stability. The enhanced photocatalytic hydrogen production performance of g-C3N4/CNTs/CdZnS is attributed to the fact that CNTs, as an electron mediator, can accelerate the recombination of the photogenerated holes in the valence band of g-C3N4 and the photogenerated electrons in the conduction band of CdZnS, which makes the g-C3N4/CNTs/CdZnS Zscheme photocatalyst be easier to escape the photogenerated electrons, increases the concentration of the photogenerated carriers and prolongs the lifetime of the photogenerated carriers. This work provides a theoretical basis for the further development and design of CNTs as the intermediate electron mediator of the Z-scheme heterojunction photocatalyst. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordPhotocatalytic hydrogen production Z-scheme photocatalyst Electron mediator g-C3N4/CNTs/CdZnS Carbon nanotubes
DOI10.1016/j.jmst.2020.11.047
Indexed BySCI
Language英语
Funding ProjectNational Natural ScienceFoundation of China[41976036] ; National Natural ScienceFoundation of China[41676069] ; National Natural ScienceFoundation of China[41906034] ; Key Research and Development Program of Shandong Province[2019GHY112066] ; Key Research and Development Program of Shandong Province[2019GHY112085] ; ResearchFund of State Key Laboratory for Marine Corrosion and Protection of Luoyang Ship Material Research Institute (LSMRI)[KF190408]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000656122300008
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/170975
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorChen, Zhuoyuan; Jing, Jiangping
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 LSMRI, State Key Lab Marine Corros & Protect, Wenhai Rd, Qingdao 266237, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Megasci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
4.Univ Chinese Acad Sci, 19 Jia Yuquan Rd, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Feng, Chang,Chen, Zhuoyuan,Jing, Jiangping,et al. Significantly enhanced photocatalytic hydrogen production performance of g-C3N4/CNTs/CdZnS with carbon nanotubes as the electron mediators[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2021,80:75-83.
APA Feng, Chang.,Chen, Zhuoyuan.,Jing, Jiangping.,Sun, Mengmeng.,Tian, Jing.,...&Hou, Jian.(2021).Significantly enhanced photocatalytic hydrogen production performance of g-C3N4/CNTs/CdZnS with carbon nanotubes as the electron mediators.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,80,75-83.
MLA Feng, Chang,et al."Significantly enhanced photocatalytic hydrogen production performance of g-C3N4/CNTs/CdZnS with carbon nanotubes as the electron mediators".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 80(2021):75-83.
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