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Synthesis of silver phosphate/graphene oxide composite and its enhanced visible light photocatalytic mechanism and degradation pathways of tetrabromobisphenol A
Zhang, Xinyi1; Zhang, Huixuan1; Xiang, Yanying1; Hao, Sibei1; Zhang, Yuxin1; Guo, Ruonan1; Cheng, Xiuwen1,2; Xie, Mingzheng1; Cheng, Qingfeng3; Li, Bo1,2
2018-01-15
发表期刊JOURNAL OF HAZARDOUS MATERIALS
卷号342页码:353-363
文章类型Article
摘要In the present study, silver phosphate/graphene oxide (Ag3PO4/GO) composite was synthesized by ultrasound-precipitation processes. Afterwards, physicochemical properties of the resulting samples were studied through scanning electron microscope, transmission electron microscope, X-ray diffraction, N-2 adsorption/desorption, UV-vis diffuse reflectance spectroscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, surface photovoltage spectroscopy and photoelectrochemical measurements. Results indicated that spherical Ag3PO4 displayed an average diameter of 150 nm and body-centered cubic crystal phase, which was integrated with GO. In addition, the visible light absorbance, charge separation efficiency and lifetime of Ag3PO4 were significantly improved by integration with GO. In addition, Ag3PO4/GO composite was applied to decompose tetrabromosphenol A (TBBPA) in water body. It was found that TBBPA could be completely decomposed within 60 min illumination. Furthermore, several scavenger experiments were conducted to distinguish the contribution of reactive species to the photoctalytic efficiency. Moreover, the enhanced visible light mechanism of Ag3PO4/GO was proposed and discussed. Eventually, several PC decomposition pathways of TBBPA were identified including directly debromination and oxidation, and subsequently further oxidation and hydroxylation processes. (C) 2017 Elsevier B.V. All rights reserved.
关键词Ag3po4/go Visible Light Tetrabromobisphenol a Photocatalysis Mechanism
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine
关键词[WOS]AG3PO4 SUB-MICROCRYSTALS ; REDUCED GRAPHENE OXIDE ; PHOTOGENERATED CHARGES ; TIO2 ; STABILITY ; PERFORMANCE ; NANOCOMPOSITES ; IRRADIATION ; DICLOFENAC ; CATALYST
收录类别SCI
语种英语
WOS研究方向Engineering ; Environmental Sciences & Ecology
WOS类目Engineering, Environmental ; Environmental Sciences
WOS记录号WOS:000414880800038
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6269
专题青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
作者单位1.Lanzhou Univ, Coll Earth & Environm Sci, Minist Educ, Key Lab Western Chinas Environm Syst, Lanzhou 730000, Gansu, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xinning Rd 18, Xining 810008, Qinghai, Peoples R China
3.Chengdu Univ Informat Technol, Coll Resources & Environm, Chengdu 610225, Sichuan, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Xinyi,Zhang, Huixuan,Xiang, Yanying,et al. Synthesis of silver phosphate/graphene oxide composite and its enhanced visible light photocatalytic mechanism and degradation pathways of tetrabromobisphenol A[J]. JOURNAL OF HAZARDOUS MATERIALS,2018,342:353-363.
APA Zhang, Xinyi.,Zhang, Huixuan.,Xiang, Yanying.,Hao, Sibei.,Zhang, Yuxin.,...&Li, Bo.(2018).Synthesis of silver phosphate/graphene oxide composite and its enhanced visible light photocatalytic mechanism and degradation pathways of tetrabromobisphenol A.JOURNAL OF HAZARDOUS MATERIALS,342,353-363.
MLA Zhang, Xinyi,et al."Synthesis of silver phosphate/graphene oxide composite and its enhanced visible light photocatalytic mechanism and degradation pathways of tetrabromobisphenol A".JOURNAL OF HAZARDOUS MATERIALS 342(2018):353-363.
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