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题名: Fabrication of InVO4/AgVO3 heterojunctions with enhanced photocatalytic antifouling efficiency under visible-light
作者: Zhang, Xin1; Zhang, Jie1; Yu, Jianqiang2; Zhang, Yan2; Cui, Zhaoxia1; Sun, Yan1; Hou, Baorong1
刊名: APPLIED CATALYSIS B-ENVIRONMENTAL
出版日期: 2018
卷号: 220, 页码:57-66
关键词: InVO4/AgVO3 heterojunction ; Photocatalytic antifouling ; Charge separation ; Photocatalytic performance
DOI: 10.1016/j.apcatb.2017.07.074
文章类型: Article
英文摘要: With the increasing of bacterial resistance to available antibiotics and water contamination by poisonous organic dyes, it's necessary to consider how to overcome these concerns. In this paper, novel visible-lightsensitive InVO4/AgVO3 photocatalysts with a p-n junction were synthesized through an ion exchange and in-situ growth process. The obtained photocatalysts were characterized by X-ray powder diffraction (XRD), Transmission electron microscopy (TEM), field-emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDS), high resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS) and UV-vis diffuse reflectance spectroscopy (UV-DRS) respectively. It can be observed that the AgVO3 exhibits a rod-shaped structure, while a plentiful of spherical shaped InVO4 particles are formed on the surface. The rod-shaped structure of AgVO3 wasn't changed by the addition of InVO4, but its photocatalytic properties were tremendously improved. The best photocatalyst was 0.5InVO(4)/AgVO3, over which the Rhodamine B (RhB) solution was almost decomposed in 200 min under visible light irradiation. Moreover, about 99.9999% of P. aeruginosaudomonas aeruginosa (P. aeruginosa), Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) were killed over 0.5InVO(4)/AgVO3 at 30 min. From these results it can be inferred that 0.5InVO(4)/AgVO3 heterojunctional photocatalyst has an improved efficiency for the separation of the current carriers to enhance the photocatalytic performances. This result provided a valuable design for the novel InVO4/AgVO3 heterojunction photocatalysts with excellent photocatalytic properties used in marine antifouling. (C) 2017 Elsevier B.V. All rights reserved.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000412957200006
Citation statistics:
内容类型: 期刊论文
版本: 出版稿
URI标识: http://ir.qdio.ac.cn/handle/337002/143222
Appears in Collections:海洋腐蚀与防护研究发展中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Univ, Sch Chem & Chem Engn, Qingdao 266071, Peoples R China

Recommended Citation:
Zhang, Xin,Zhang, Jie,Yu, Jianqiang,et al. Fabrication of InVO4/AgVO3 heterojunctions with enhanced photocatalytic antifouling efficiency under visible-light[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2018,220:57-66.
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