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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
Source PublicationSEPARATION AND PURIFICATION TECHNOLOGY
Volume197Pages:189-196
SubtypeArticle
AbstractIn 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.
KeywordAgbr/tio2 Nano-tubes Arrays Photoelectrode Visible Light Photocatalysis 4-chlorphenol Detoxification
WOS HeadingsScience & Technology ; Technology
WOS KeywordTIO2 NANOTUBES PHOTOELECTRODE ; 4-CHLOROPHENOL DEGRADATION ; LIGHT ; NANOPARTICLES ; CONSTRUCTION ; DICLOFENAC ; REDUCTION ; PHENOL ; FACILE ; FILMS
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000428973600021
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6450
Collection青海盐湖研究所知识仓储
Affiliation1.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
Recommended Citation
GB/T 7714
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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