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	A three-dimensional interconnected hierarchical FeOOH/TiO2/ZnO nanostructural photoanode for enhancing the performance of photoelectrochemical water oxidation
	Li, Zhenhu; Feng, Shuanglong; Liu, Shuangyi; Li, Xin; Wang, Liang; Lu, Wenqiang
	2015
摘要	A novel ZnO/TiO2/FeOOH hierarchical nanostructure has been synthesized by a low temperature chemical bath deposition method. The integrated three-dimensional (3D) nanostructure consists of one-dimensional (1D) ZnO/TiO2 core-shell nanowire arrays and two-dimensional (2D) interconnected FeOOH nanosheets. By applying such a hierarchical nanostructure as a photoanode for photoelectrochemical water reaction, higher photostability and photocurrent density are gained compared with the reported ZnO based nanostructures. It is concluded that the giant enhancement of the properties is because, in the process of photoelectrochemical reaction, electron-hole separation and transfer are enhanced efficiently through the ZnO/TiO2 heterojunction, and in the meanwhile, terminal interconnected FeOOH nanosheets play both the roles of a surface catalyst and a protective layer effectively to accelerate water splitting reaction and enhance photostability. Based on such an environmentally friendly hierarchical nanostructure, photoelectrochemical water splitting and other similar reactions could be performed effectively and economically.
DOI	10.1039/c5nr06212h
发表期刊	NANOSCALE
ISSN	2040-3364
卷号	7期号:45页码:19178-19183
通讯作者	Li, ZH (reprint author), Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing Key Lab Multi Scale Mfg Technol, Chongqing 400714, Peoples R China.
收录类别	SCI
WOS记录号	WOS:000364852500044
语种	英语