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Fabrication of an ultrathin 2D/2D C3N4/MoS2 heterojunction photocatalyst with enhanced photocatalytic performance
Li, Weibing1,2; Wang, Lin1; Zhang, Qiang1; Chen, Zhuoyuan2,3,4; Deng, Xiaoyan1; Feng, Chang2; Xu, Likun2; Sun, Mingxian2
2019-11-05
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume808Pages:9
Corresponding AuthorFeng, Chang(fchang1988@126.com)
AbstractAn ultrathin 2D/2D C3N4/MoS2 (U-CN/MoS2) heterojunction photocatalyst was prepared by a simple mechanical grinding technique to investigate the photocatalytic degradation RhB and hydrogen production performance. Physical characterization shows that the ultrathin MoS2 nanosheets (U-MoS2) can form heterojunction with the ultrathin C3N4 (U-CN), and their intrinsic crystal structure remains stable. Further photocatalytic performance test demonstrated that the U-CN/MoS2 heterojunction photocatalyst significantly enhanced the photocatalytic activity of U-CN. The U-CN/MoS2 photocatalyst with 3% mass fraction of MoS2 station (U-CN/MoS2-3) has the optimal photocatalytic performance. Due to MoS2 has a suitable band structure and can replace noble metal as a co-catalyst, the U-CN/MoS2-3 could achieve the hydrogen production efficiency of 385.04 mu mol.h(-1).g(-1), which makes MoS2 show potential in photocatalytic hydrogen production. The enhanced photocatalytic performance was attributed to the significantly enhanced concentration of photogenerated carriers, the effective separation of photogenerated carriers, and suppressed recombination of photogenerated electrons and holes in the photocatalytic reaction. (C) 2019 Elsevier B.V. All rights reserved.
KeywordHeterojunction photocatalysts Ultrathin C3N4/MoS2 Mechanical grinding Photocatalytic performance
DOI10.1016/j.jallcom.2019.151681
Indexed BySCI
Language英语
Funding ProjectState Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, China[614290101011703] ; State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, China[KF160413] ; State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, China[KF160402] ; National Natural Science Foundation of China[41576114] ; National Natural Science Foundation of China[41376126] ; Key Research and Development Program of Shandong Province[2018GSF117007] ; Qingdao Innovative Leading Talent Foundation[15-10-3-15-(39)-zch] ; Qingdao Science and Technology Achievement Transformation Guidance Plan (Applied Basic Research)[14-2-4-4-jch]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000483694900032
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/162736
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorFeng, Chang
Affiliation1.Qingdao Univ Sci & Technol, Sch Environm & Safety Engn, 53 Zhengzhou Rd, Qingdao 266042, Shandong, Peoples R China
2.Luoyang Ship Mat Res Inst, State Key Lab Marine Corros & Protect, Wenhai Rd, Qingdao 266237, Shandong, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Li, Weibing,Wang, Lin,Zhang, Qiang,et al. Fabrication of an ultrathin 2D/2D C3N4/MoS2 heterojunction photocatalyst with enhanced photocatalytic performance[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,808:9.
APA Li, Weibing.,Wang, Lin.,Zhang, Qiang.,Chen, Zhuoyuan.,Deng, Xiaoyan.,...&Sun, Mingxian.(2019).Fabrication of an ultrathin 2D/2D C3N4/MoS2 heterojunction photocatalyst with enhanced photocatalytic performance.JOURNAL OF ALLOYS AND COMPOUNDS,808,9.
MLA Li, Weibing,et al."Fabrication of an ultrathin 2D/2D C3N4/MoS2 heterojunction photocatalyst with enhanced photocatalytic performance".JOURNAL OF ALLOYS AND COMPOUNDS 808(2019):9.
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