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Ultrasound assisted fabrication of AgBr/TiO2 nano-tube arrays photoelectrode and its enhanced visible photocatalytic performance and mechanism for detoxification of 4-chlorphenol
Cui, Yuqi1; Zhang, Zixuan1; Li, Bo1,3; Guo, Ruonan1; Zhang, Xinyi1; Cheng, Xiuwen1,3; Xie, Mingzheng1; Cheng, Qingfeng2
2018-05-31
发表期刊SEPARATION AND PURIFICATION TECHNOLOGY
卷号197页码:189-196
文章类型Article
摘要In the present work, narrow band gap AgBr nano-particle decorated TiO2 nanotubes arrays (AgBr/TiO2 NTAs) photoelectrode was successfully fabricated through anodization, followed by ultrasonic assisted precipitation process. Subsequently, morphologies and chemical structures were investigated through scanning electron microscope (SEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). In addition, the optical and photoelectrochemical (PECH) properties were recorded through Ultraviolet-visible diffuse reflectance spectroscopy (UV-vis DRS), transient photocurrent density and Mott-Schottky measurements. Furthermore, the photocatalytic (PC) efficiency was evaluated through the yield of hydroxyl ((OH)-O-center dot) radicals and degradation of 4-CP under visible light illumination. All results indicated that as-fabricated AgBr/TiO2 NTAs photoelectrode displayed superior PC performance, which was mainly ascribed to the intense visible light absorbance and high charge separation efficiency. Moreover, the intermediates and toxification change during PC degradation of 4-CP were elucidated according to the UPLC-MS/MS measurement and luminescent bacterial tests.
关键词Agbr/tio2 Nano-tubes Arrays Photoelectrode Visible Light Photocatalysis 4-chlorphenol Detoxification
WOS标题词Science & Technology ; Technology
关键词[WOS]TIO2 NANOTUBES PHOTOELECTRODE ; 4-CHLOROPHENOL DEGRADATION ; LIGHT ; NANOPARTICLES ; CONSTRUCTION ; DICLOFENAC ; REDUCTION ; PHENOL ; FACILE ; FILMS
收录类别SCI
语种英语
WOS研究方向Engineering
WOS类目Engineering, Chemical
WOS记录号WOS:000428973600021
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6450
专题青海盐湖研究所知识仓储
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.Chengdu Univ Informat Technol, Coll Resources & Environm, Chengdu 610225, Sichuan, Peoples R China
3.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xinning Rd 18, Xining 810008, Qinghai, Peoples R China
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Cui, Yuqi,Zhang, Zixuan,Li, Bo,et al. Ultrasound assisted fabrication of AgBr/TiO2 nano-tube arrays photoelectrode and its enhanced visible photocatalytic performance and mechanism for detoxification of 4-chlorphenol[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2018,197:189-196.
APA Cui, Yuqi.,Zhang, Zixuan.,Li, Bo.,Guo, Ruonan.,Zhang, Xinyi.,...&Cheng, Qingfeng.(2018).Ultrasound assisted fabrication of AgBr/TiO2 nano-tube arrays photoelectrode and its enhanced visible photocatalytic performance and mechanism for detoxification of 4-chlorphenol.SEPARATION AND PURIFICATION TECHNOLOGY,197,189-196.
MLA Cui, Yuqi,et al."Ultrasound assisted fabrication of AgBr/TiO2 nano-tube arrays photoelectrode and its enhanced visible photocatalytic performance and mechanism for detoxification of 4-chlorphenol".SEPARATION AND PURIFICATION TECHNOLOGY 197(2018):189-196.
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