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学科主题物理化学
Cobalt Phosphate Group Modified Hematite Nanorod Array as Photoanode for Efficient Solar Water Splitting
Fu, Li1,2; Yu, Hongmei1; Zhang, Changkun1,2; Shao, Zhigang1; Yi, Baolian1; Yu HM(俞红梅)
关键词Hematite Nanorod Arrays Cobalt Phosphate Group Photoelectrochemical Solar Water Splitting
刊名ELECTROCHIMICA ACTA
2014-08-01
DOI10.1016/j.electacta.2014.05.094
136页:363-369
收录类别SCI
合作性质
文章类型Article
部门归属DNL03
项目归属DNL0301
产权排名待补充
WOS标题词Science & Technology ; Physical Sciences
资助者1,1 ; 1,1 ; 1,1 ; 1,1
类目[WOS]Electrochemistry
研究领域[WOS]Electrochemistry
关键词[WOS]OXIDATION ; PHOTOELECTRODES ; OXYGEN ; FILM
英文摘要Hydrogen production from solar and photoelectrochemical water splitting based on modified nanostructure hematite is investigated for sustainable energy development. Herein, nanorod hematite arrays are prepared by adjusted-hydrothermal method with a diameter of 30 nm. Phosphate group and cobalt ions are deposited on the surface of hematite by chemical immersion process to improve its photoelectrochemical performance and speed up the oxygen evolution reaction in water splitting. The CoPi-modified alpha-Fe2O3 nanorod arrays (NAs) show a greatly enhanced electrochemical and photoelectrochemical property with a photocurrent density 270 mu A cm(-2) at 1.23 V (vs. RHE) for FeCoPi-4 compared with 20 mu A cm(-2) for untreated alpha-Fe2O3 NAs. The effect of phosphate groups and cobalt ions on the alpha-Fe2O3 NAs are both investigated. The Co (II) ion is connected closely with the alpha-Fe2O3 surface through phosphate groups by XPS detection. The phosphate enhances the transport of electron from alpha-Fe2O3 to Co ion. The high performance demonstrated in photoelectrochemical test indicates that CoPi-modified alpha-Fe2O3 NAs is a potential photoelectrocatalyst for water splitting. (C) 2014 Elsevier Ltd. All rights reserved.
语种英语
资助者1,1 ; 1,1 ; 1,1 ; 1,1
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WOS记录号WOS:000340320800044
引用统计
被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/119700
专题中国科学院大连化学物理研究所
通讯作者Yu HM(俞红梅)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Fuel Cells, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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Fu, Li,Yu, Hongmei,Zhang, Changkun,et al. Cobalt Phosphate Group Modified Hematite Nanorod Array as Photoanode for Efficient Solar Water Splitting[J]. ELECTROCHIMICA ACTA,2014,136:363-369.
APA Fu, Li,Yu, Hongmei,Zhang, Changkun,Shao, Zhigang,Yi, Baolian,&俞红梅.(2014).Cobalt Phosphate Group Modified Hematite Nanorod Array as Photoanode for Efficient Solar Water Splitting.ELECTROCHIMICA ACTA,136,363-369.
MLA Fu, Li,et al."Cobalt Phosphate Group Modified Hematite Nanorod Array as Photoanode for Efficient Solar Water Splitting".ELECTROCHIMICA ACTA 136(2014):363-369.
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