Electrochemical fabrication of NZVI/TiO2 nano-tube arrays photoelectrode and its enhanced visible light photocatalytic performance and mechanism for degradation of 4-chlorphenol

ISL OpenIR > 青海盐湖研究所知识仓储

	Electrochemical fabrication of NZVI/TiO2 nano-tube arrays photoelectrode and its enhanced visible light photocatalytic performance and mechanism for degradation of 4-chlorphenol
	Ma, Qiuling 1,2; Zhang, Huixuan 1,2; Deng, Xiaoyong 1,2; Cui, Yuqi 1,2; Cheng, Xiuwen 1,2,3,5,6; Li, Xiaoli 1,2; Xie, Mingzheng 1,2; Cheng, Qingfeng 4; Li, Bo3
	2017-07-12
发表期刊	SEPARATION AND PURIFICATION TECHNOLOGY
卷号	182 页码:144-150
关键词	Nzvi/tio2 Nano-tube Arrays Photoelectrode Visible Light Photocatalysis 4-chlorphenol
摘要	In this study, nano-scale zero-valent iron (NZVI) decorated TiO2 nano-tube arrays (NZVI/TiO2 NTAs) photoelectrode was fabricated through anodization process, followed by galvanostatic electrodeposition strategy. Afterwards, physicochemical properties of the resulting NZVI/TiO2 NTAs samples were systematically studied by SEM, XRD, XPS, IJV vis DRS and photoelectrochemical (PECH) measurements. Results indicated that NZVI/TiO2 NTAs photoelectrode exhibited greatly enhanced visible light absorbance and high photogenerated charge separation efficiency. However, after photocatalytic (PC) reaction, NVZI particles were converted to alpha-Fe2O3 species, which would further improve the visible light absorbance and PC efficiency, which was confirmed by the further enhanced visible light PC performance for decomposition of 4-chlorphenol (4-CP) and generation of.OH radicals. Furthermore, the enhanced visible light mechanism of NZVI/TiO2 NTAs photoelectrode was detailed discussed. This study provides a versatile strategy to fabricate high-efficient catalysts which could be used in the high-toxic and refractory micro-pollutants elimination in water body. (C) 2017 Elsevier B.V. All rights reserved.
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.isl.ac.cn/handle/363002/4241
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, Key Lab Western Chinas Environm Syst, Minist Educ, Lanzhou 730000, Gansu, Peoples R China 2.Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Environm Pollut Predict & Control, Lanzhou 730000, Gansu, Peoples R China 3.Chinese Acad Sci, Key Lab Comprehens & Highly Efficient Utilizat Sa, Qinghai Inst Salt Lake, Xinning Rd 18, Xining 810008, Peoples R China 4.Chengdu Univ Informat Technol, Coll Resources & Environm, Chengdu 610225, Peoples R China 5.Chinese Acad Sci, State Key Lab High Performance Ceram & Superfine, Shanghai Inst Ceram, Dingxi Rd, Shanghai 2000050, Peoples R China 6.Nanjing Univ Informat Sci & Technol, Jiangsu Engn Technol Res Ctr Environm Cleaning Ma, Collaborat Innovat Ctr Atmospher Environm & Equip, Sch Environm Sci & Engn, Nanjing 210044, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Ma, Qiuling,Zhang, Huixuan,Deng, Xiaoyong,et al. Electrochemical fabrication of NZVI/TiO2 nano-tube arrays photoelectrode and its enhanced visible light photocatalytic performance and mechanism for degradation of 4-chlorphenol[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2017,182:144-150.
APA	Ma, Qiuling.,Zhang, Huixuan.,Deng, Xiaoyong.,Cui, Yuqi.,Cheng, Xiuwen.,...&Li, Bo.(2017).Electrochemical fabrication of NZVI/TiO2 nano-tube arrays photoelectrode and its enhanced visible light photocatalytic performance and mechanism for degradation of 4-chlorphenol.SEPARATION AND PURIFICATION TECHNOLOGY,182,144-150.
MLA	Ma, Qiuling,et al."Electrochemical fabrication of NZVI/TiO2 nano-tube arrays photoelectrode and its enhanced visible light photocatalytic performance and mechanism for degradation of 4-chlorphenol".SEPARATION AND PURIFICATION TECHNOLOGY 182(2017):144-150.