IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
BiOI/BiVO4 p-n heterojunction with enhanced photocatalytic activity under visible-light irradiation
Xiang, Zhenbo1,2; Wang, Yi1; Zhang, Dun1; Ju, Peng3
2016-08-25
Source PublicationJOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume40Pages:83-92
SubtypeReview
AbstractA novel visible-light-sensitive BiOI/BiVO4 photocatalyst with a p-n heterojunction structure was synthesized through a facile coprecipitation method. The physical and chemical properties of as synthesized BiOI/BiVO4 composites were characterized by XRD, XPS, BET, SEM, EDS, HRTEM, photoluminescence spectrum and UV-DRS respectively. The photocatalytic activity of the prepared photocatalysts was evaluated by photodegrading methylene blue and killing of Pseudomonas aeruginosa (P. aeruginosa) under visible light irradiation. The results showed that the 30%BiOI/BiVO4 (molar ratio of I:V = 3:7) exhibits the higher photocatalytic activity than the pristine BiOI and BiVO4. Moreover, the sterilization mechanism involved in the photocatalytic disinfection process was studied by captive species trapping experiments. The result revealed that hydroxyl radical ((OH)-O-center dot) and holes (h(+)) are the main reactive species for killing of P. aeruginosa under visible light irradiation. In addition, after five recycles for killing of P. aeruginosa under visible light irradiation, 30%BiOI/BiVO4 does not exhibit significant loss of photocatalytic activity. The results confirm that the synthesized 30%BiOI/BiVO4 photocatalyst has long-time reusability and good photocatalytic stability. The photocatalyst shows potential application in marine antifouling. (C) 2016 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
KeywordBioi Bivo4 Photocatalysis Antifouling Visible Light
DOI10.1016/j.jiec.2016.06.009
Indexed BySCI
Language英语
WOS IDWOS:000381834800011
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/135726
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.Univ Chinese Acad Sci, 19 Jia Yuquan Rd, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Lanzhou Inst Chem Phys, Lab Clean Energy Chem & Mat, 18 Tianshui Middle Rd, Lanzhou 730000, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Xiang, Zhenbo,Wang, Yi,Zhang, Dun,et al. BiOI/BiVO4 p-n heterojunction with enhanced photocatalytic activity under visible-light irradiation[J]. JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,2016,40:83-92.
APA Xiang, Zhenbo,Wang, Yi,Zhang, Dun,&Ju, Peng.(2016).BiOI/BiVO4 p-n heterojunction with enhanced photocatalytic activity under visible-light irradiation.JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY,40,83-92.
MLA Xiang, Zhenbo,et al."BiOI/BiVO4 p-n heterojunction with enhanced photocatalytic activity under visible-light irradiation".JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY 40(2016):83-92.
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