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Fabrication of p-NiO/n-TiO2nano-tube arrays photoelectrode and its enhanced photocatalytic performance for degradation of 4-chlorphenol
Deng, Xiaoyong1; Zhang, Huixuan1; Ma, Qiuling1; Cui, Yuqi1; Cheng, Xiuwen1,3,4; Li, Xiaoli1; Xie, Mingzheng1; Cheng, Qingfeng2
2017
Source PublicationSeparation and Purification Technology
ISSN13835866
Volume186Pages:1-9
AbstractIn the study, we report that p-type NiO (p-NiO) nanoparticles were successfully decorated onto the surface of n-type TiO2nano-tube arrays (n-TiO2NTAs) photoelectrode by anodization process, followed by electrodeposition strategy in the presence of NiSO4electrolyte. After then, the samples were studied by scanning electron microscope (SEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). In addition, the optical and photoelectrochemical (PECH) properties of p-NiO/n-TiO2NTAs were recorded through ultraviolet–visible diffuse reflectance spectroscopy (UV–vis DRS), open circuit potential (OCP) and electrochemical impedance spectroscopy (EIS) curves, respectively. Furthermore, We evaluated the photocatalytic (PC) degradation of 4-chlorphenol and the enhanced PC mechanism was also discussed. Results suggest that p-NiO/n-TiO2NTAs photoelectrode exhibited higher PC activities than that of pristine TiO2NTAs owing to its higher photogeneration electrons-holes (e/h+) pairs separation efficiency and light absorbance. As a consequence, the p-NiO/n-TiO2NTAs photoelectrode could be applied in degradation of organic pollutants and wastewater purification. © 2017 Elsevier B.V.
DOI10.1016/j.seppur.2017.04.052
EI Accession Number20172303730893
EI KeywordsX ray photoelectron spectroscopy
EI Classification Number702 Electric Batteries and Fuel Cells - 761 Nanotechnology - 801 Chemistry - 803 Chemical Agents and Basic Industrial Chemicals - 804 Chemical Products Generally
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25413
Collection中国科学院上海硅酸盐研究所
Affiliation1.Key Laboratory of Western China's Environmental Systems, Ministry of Education, Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province College of Earth and Environmental Sciences, Lanzhou University, Lanzhou; 730000, China;
2.College of Resources and Environment, Chengdu University of Information Technology, Chengdu; 610225, China;
3.Jiangsu Engineering Technology Research Center of Environmental Cleaning Materials (CEM), Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, School of Environmental Sciences and Engineering, Nanjing University of Information Science and Technology, Nanjing; 210044, China;
4.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Road, Changning District, Shanghai; 2000050, China
Recommended Citation
GB/T 7714
Deng, Xiaoyong,Zhang, Huixuan,Ma, Qiuling,et al. Fabrication of p-NiO/n-TiO2nano-tube arrays photoelectrode and its enhanced photocatalytic performance for degradation of 4-chlorphenol[J]. Separation and Purification Technology,2017,186:1-9.
APA Deng, Xiaoyong.,Zhang, Huixuan.,Ma, Qiuling.,Cui, Yuqi.,Cheng, Xiuwen.,...&Cheng, Qingfeng.(2017).Fabrication of p-NiO/n-TiO2nano-tube arrays photoelectrode and its enhanced photocatalytic performance for degradation of 4-chlorphenol.Separation and Purification Technology,186,1-9.
MLA Deng, Xiaoyong,et al."Fabrication of p-NiO/n-TiO2nano-tube arrays photoelectrode and its enhanced photocatalytic performance for degradation of 4-chlorphenol".Separation and Purification Technology 186(2017):1-9.
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