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学科主题: 物理化学
题名: Enhancement of photoelectrochemical response by Au modified in TiO2 nanorods
作者: Li, Yongkun1, 2;  Yu, Hongmei1;  Zhang, Changkun1, 2;  Fu, Li1, 2;  Li, Guangfu1, 2;  Shao, Zhigang1;  Yi, Baolian1
通讯作者: 俞红梅 ;  邵志刚
关键词: TiO2 nanorodes ;  Au nanoparticles ;  Electrodeposition ;  Photoelectrochemical water splitting
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2013-09-30
DOI: 10.1016/j.ijhydene.2013.03.122
卷: 38, 期:29, 页:13023-13030
收录类别: SCI
文章类型: Article
部门归属: DNL03
项目归属: DNL0301
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Energy & Fuels
英文摘要: We report on the design and synthesis of a novel Au/TiO2/Au heterostructure and its implementation as a photoanode for photoelectrochemical (PEC) application. The Au/TiO2/Au heterostructure was produced by assembling Au nanoparticles and TiO2 nanorods (NRs) onto FTO substrate, followed by electrodepositing Au nanoparticles on the TiO(2)NRs. Field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and electrochemical methods were adopted to characterize the prepared photoanodes. Compared to the system involving Au nanoparticles directly linked to TiO2, this Au/TiO2/Au heterostructure exhibits significant improved photoresponse as a photoanode, as demonstrated good performance in PECs. This study illustrates the importance of pre-deposited Au underlayers in influencing PEC properties of hybrid assembled nanostructures. As the Au/TiO(2)NRs/Au photoanodes are easily fabricated and highly stable, Au/TiO(2)NRs/Au can serve as a good substitution for TiO2 in a variety of solar energy driven applications including PEC water splitting, photocatalysis, and solar cells. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: VISIBLE-LIGHT ;  NANOWIRE ARRAYS ;  METAL NANOPARTICLES ;  HYDROGEN GENERATION ;  NANOTUBE ARRAYS ;  WATER ;  SOLAR ;  SURFACES ;  AG ;  PHOTOCATALYSIS
语种: 英语
WOS记录号: WOS:000325307000039
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117660
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Fuel Cells, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Li, Yongkun,Yu, Hongmei,Zhang, Changkun,et al. Enhancement of photoelectrochemical response by Au modified in TiO2 nanorods[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2013,38(29):13023-13030.
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