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Plasmonic Ag2MoO4/AgBr/Ag composite: Excellent photocatalytic performance and possible photocatalytic mechanism

文献类型：期刊论文

作者Wang, Zhongliao1; Zhang, Jinfeng1; Lv, Jiali1; Dai, Kai1; Liang, Changhao1,2,3
刊名APPLIED SURFACE SCIENCE
出版日期2017-02-28
卷号396期号:无页码:791-798
关键词Ag-2 Moo4 Agbr Plasmon Photocatalysts Charge Transfer
DOI10.1016/j.apsusc.2016.11.031
文献子类Article
英文摘要Plasmonic Ag2MoO4/AgBr/Ag composite is fabricated by in-situ ion exchange and reduction methods at room temperature. The samples are characterized by X-ray diffraction (XRD), UV-vis diffuse reflectance (DRS), energy-dispersive X-ray spectroscopy (EDS), scanning electron microscope (SEM) and photoluminescence (PL) measurements. The results show that butterfly-like Ag2MoO4 nanosheets served as the precursor, and Ag2MoO4/AgBr/Ag is formed in phase transformation with MoO42- displaced by Br-. The ternary Ag2MoO4/AgBr/Ag composite photocatalysts show greatly enhanced photocatalytic activity in photodegrading methylene blue (MB) under visible light irradiation compared with AgBr and Ag2MoO4. The pseudo-first-order rate constant k(app) of Ag2MoO4/AgBr/Ag is 0.602 min(-1), which is 11.6 and 18.3 times as high as that of AgBr and Ag2MoO4, respectively. Meanwhile, the efficiency of degradation still kept 90% after ten times cyclic experiments. Eventually, possible photocatalytic mechanism was proposed. (C) 2016 Elsevier B.V. All rights reserved.
WOS关键词VISIBLE-LIGHT PHOTOCATALYST ; FACILE SYNTHESIS ; EFFICIENT PHOTOCATALYST ; PHOTOINDUCED STABILITY ; TIO2 NANOSHEETS ; DEGRADATION ; WATER ; HETEROSTRUCTURES ; HETEROJUNCTION ; COCATALYSTS
WOS研究方向Chemistry ; Materials Science ; Physics
语种英语
WOS记录号WOS:000396223500098
资助机构National Natural Science Foundation of China(51572103 ; National Natural Science Foundation of China(51572103 ; National Natural Science Foundation of China(51572103 ; National Natural Science Foundation of China(51572103 ; Natural Science Foundation of Anhui Province(1408085QE78) ; Natural Science Foundation of Anhui Province(1408085QE78) ; Natural Science Foundation of Anhui Province(1408085QE78) ; Natural Science Foundation of Anhui Province(1408085QE78) ; Foundation for Young Talents in College of Anhui Province(12600941) ; Foundation for Young Talents in College of Anhui Province(12600941) ; Foundation for Young Talents in College of Anhui Province(12600941) ; Foundation for Young Talents in College of Anhui Province(12600941) ; Leading talent of Anhui Province ; Leading talent of Anhui Province ; Leading talent of Anhui Province ; Leading talent of Anhui Province ; Innovation Team of Design and Application of Advanced Energetic Materials ; Innovation Team of Design and Application of Advanced Energetic Materials ; Innovation Team of Design and Application of Advanced Energetic Materials ; Innovation Team of Design and Application of Advanced Energetic Materials ; Collaborative Innovation Center of Advanced Functional Materials(XTZX103732015008) ; Collaborative Innovation Center of Advanced Functional Materials(XTZX103732015008) ; Collaborative Innovation Center of Advanced Functional Materials(XTZX103732015008) ; Collaborative Innovation Center of Advanced Functional Materials(XTZX103732015008) ; 51302101 ; 51302101 ; 51302101 ; 51302101 ; 51502106 ; 51502106 ; 51502106 ; 51502106 ; 51302100) ; 51302100) ; 51302100) ; 51302100) ; National Natural Science Foundation of China(51572103 ; National Natural Science Foundation of China(51572103 ; National Natural Science Foundation of China(51572103 ; National Natural Science Foundation of China(51572103 ; Natural Science Foundation of Anhui Province(1408085QE78) ; Natural Science Foundation of Anhui Province(1408085QE78) ; Natural Science Foundation of Anhui Province(1408085QE78) ; Natural Science Foundation of Anhui Province(1408085QE78) ; Foundation for Young Talents in College of Anhui Province(12600941) ; Foundation for Young Talents in College of Anhui Province(12600941) ; Foundation for Young Talents in College of Anhui Province(12600941) ; Foundation for Young Talents in College of Anhui Province(12600941) ; Leading talent of Anhui Province ; Leading talent of Anhui Province ; Leading talent of Anhui Province ; Leading talent of Anhui Province ; Innovation Team of Design and Application of Advanced Energetic Materials ; Innovation Team of Design and Application of Advanced Energetic Materials ; Innovation Team of Design and Application of Advanced Energetic Materials ; Innovation Team of Design and Application of Advanced Energetic Materials ; Collaborative Innovation Center of Advanced Functional Materials(XTZX103732015008) ; Collaborative Innovation Center of Advanced Functional Materials(XTZX103732015008) ; Collaborative Innovation Center of Advanced Functional Materials(XTZX103732015008) ; Collaborative Innovation Center of Advanced Functional Materials(XTZX103732015008) ; 51302101 ; 51302101 ; 51302101 ; 51302101 ; 51502106 ; 51502106 ; 51502106 ; 51502106 ; 51302100) ; 51302100) ; 51302100) ; 51302100)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/32865]  
专题合肥物质科学研究院_中科院固体物理研究所
作者单位1.Huaibei Normal Univ, Coll Phys & Elect Informat, Anhui Key Lab Energet Mat, Huaibei 235000, Peoples R China
2.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
3.Chinese Acad Sci, Inst Solid State Phys, Anhui Key Lab Nanomat & Nanotechnol, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Zhongliao,Zhang, Jinfeng,Lv, Jiali,et al. Plasmonic Ag2MoO4/AgBr/Ag composite: Excellent photocatalytic performance and possible photocatalytic mechanism[J]. APPLIED SURFACE SCIENCE,2017,396(无):791-798.
APA Wang, Zhongliao,Zhang, Jinfeng,Lv, Jiali,Dai, Kai,&Liang, Changhao.(2017).Plasmonic Ag2MoO4/AgBr/Ag composite: Excellent photocatalytic performance and possible photocatalytic mechanism.APPLIED SURFACE SCIENCE,396(无),791-798.
MLA Wang, Zhongliao,et al."Plasmonic Ag2MoO4/AgBr/Ag composite: Excellent photocatalytic performance and possible photocatalytic mechanism".APPLIED SURFACE SCIENCE 396.无(2017):791-798.

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来源：合肥物质科学研究院

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