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Effect of Ni-x,Co3-x O-4 Modification for CdSe/TiO2 Nanotube Arrays on Activity of Photoelectrochemical Oxidation of Water
Xu Zhen1,2; Li Juan1; Li Xinjun1
2013-03-10
发表期刊CHINESE JOURNAL OF INORGANIC CHEMISTRY
卷号29期号:3页码:429-436
摘要CdSe/TiO2 nanotube array (TiO(2)NTA) film was modified by NixCo3-x,O-4 through the method of ammonia-evaporation induction growth. The films were characterized by X-ray diffraction, field emission scanning electron microscopy, energy dispersive spectroscopy, X-ray photoelectron spectroscopy and UV-Vis diffuse reflectance spectroscopy. To characterize the photoanodes activity of photoelectrochemical oxidation of water, the chopped linear sweep voltammetry was performed in a three-electrode system under simulated solar irradiation. The results show that CdSe/TiO(2)NTA is covered by a thin layer of NixCo3-x,O-4 with the spinel structure in which Ni and Co are both in divalent and trivalent states. The modification of NixCo3-x,O-4 on the CdSe/TiO(2)NTA can lower the overpotential of water oxidation by about 430 mV compared with the CdSe/TiO(2)NTA. The introduction of Ni into the structure of Co3O4 leads to the surface enhancement of trivalent cations (Ni3+ and Co3+) and consequently facilitates the oxidation of water.
文章类型Article
关键词Tio2 Nanotube Arrays Cdse Nixco3-x O-4 Ammonia-evaporation Induction Growth Photoelectrochemical Oxidation Of Water
WOS标题词Science & Technology ; Physical Sciences
DOI10.3969/j.issn.1001-4861.2013.00.051
研究领域[WOS]Chemistry
关键词[WOS]VISIBLE-LIGHT IRRADIATION ; OXYGEN EVOLUTION ; SPRAY-PYROLYSIS ; COBALT OXIDE ; ELECTROCHEMICAL EVOLUTION ; ELECTROCATALYTIC ACTIVITY ; CATALYST ; FILMS ; TITANIUM ; NICO2O4
收录类别SCI
语种英语
WOS类目Chemistry, Inorganic & Nuclear
WOS记录号WOS:000319541300001
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10085
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Xu Zhen,Li Juan,Li Xinjun. Effect of Ni-x,Co3-x O-4 Modification for CdSe/TiO2 Nanotube Arrays on Activity of Photoelectrochemical Oxidation of Water[J]. CHINESE JOURNAL OF INORGANIC CHEMISTRY,2013,29(3):429-436.
APA Xu Zhen,Li Juan,&Li Xinjun.(2013).Effect of Ni-x,Co3-x O-4 Modification for CdSe/TiO2 Nanotube Arrays on Activity of Photoelectrochemical Oxidation of Water.CHINESE JOURNAL OF INORGANIC CHEMISTRY,29(3),429-436.
MLA Xu Zhen,et al."Effect of Ni-x,Co3-x O-4 Modification for CdSe/TiO2 Nanotube Arrays on Activity of Photoelectrochemical Oxidation of Water".CHINESE JOURNAL OF INORGANIC CHEMISTRY 29.3(2013):429-436.
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