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兰州大学机构库  > 物理科学与技术学院  > 期刊论文
题名: Enhanced charge separation and transfer through Fe2O3/ITO nanowire arrays wrapped with reduced graphene oxide for water-splitting
作者: Zhang, ZM; Gao, CT; Li, YX; Han, WH(韩卫华); Fu, WB; He, YM; Xie, EQ(谢二庆)
收录类别: SCIE
出版日期: 2016-12
刊名: NANO ENERGY
卷号: 30, 页码:892-899
出版者: ELSEVIER
出版地: AMSTERDAM
英文摘要: This work reports the synthesis and investigation of reduced graphene oxide (rGO)-wrapped ITO@Fe2O3 (rGO-ITO@Fe2O3) core-shell nanowire arrays for water splitting, in which Fe2O3 nanorods are primary light-absorber, ITO nanowires act as high speed electron conductor and rGO as highly active electrocatalyst. This design considerably reduced the charge transfer and injection resistance, thus decreasing the recombination and improving the oxygen reaction kinetics. As a result, the rGO-ITO@Fe2O3 photo-anode yields a photocurrent up to 5.38 mA cm(-2) at 0.6 V (versus SCE), which is 3.5 times and 10 times of ITO@Fe2O3 and Fe2O3 in the same situation. The rGO-ITO@Fe2O3 photoanode also exhibits an excellent photoelectrochemical stability and there is no obvious degradation after 60 min. Our work has provided an efficient strategy to improve the energy conversion efficiency and life-time of water splitting materials. (C) 2016 Elsevier Ltd. All rights reserved.
关键词: Photoelectrochemical water splitting ; Reduced graphene oxide ; Core-shell structure ; ITO nanowire arrays ; Fe2O3 nanorods
作者部门: [Zhang, Zemin ; Gao, Caitian ; Li, Yunxia ; Han, Weihua ; Fu, Wenbin ; He, Yongmin ; Xie, Erqing] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
通讯作者: Han, WH ; Xie, EQ (reprint author), Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China.
学科分类: Chemistry; Science & Technology - Other Topics; Materials Science; Physics
文章类型: Article
所属项目编号: National Natural Science Foundation of China [61404066, 51572118]
所属项目名称: 国家自然科学基金项目
项目资助者: NSFC
语种: 英语
DOI: 10.1016/j.nanoen.2016.08.059
ISSN号: 2211-2855
WOS记录号: WOS:000390636100103
IR记录号: WOS:000390636100103
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/189254
Appears in Collections:物理科学与技术学院_期刊论文

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Recommended Citation:
Zhang, ZM,Gao, CT,Li, YX,et al. Enhanced charge separation and transfer through Fe2O3/ITO nanowire arrays wrapped with reduced graphene oxide for water-splitting[J]. NANO ENERGY,2016,30:892-899.
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