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Cr2O3 Nanoparticles Modified TiO2 Nanotubes for Enhancing Visible Photoelectrochemical Performance
Zhang, Fen1; Jin, Tao1; Zeng, Rongchang1; Cui, Hongzhi1; Song, Liang2
2014-09-01
发表期刊JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷号14期号:9页码:7022-7026
摘要

TiO2 nanotube arrays modified by nanoparticles Cr2O3 with high sensibility in the visible spectrum were prepared by annealing the anodic TiO2 nanotube arrays pre-loaded with Cr(NO3)(3) solution which was uniformly clung to the TiO2 nanotube arrays. The influence of the dipping time on the microstructure of the Cr2O3/TiO2-nanotubes was investigated. The microstructure and the elemental analysis were characterized by scanning electron microscope (SEM) and Energy dispersive X-ray (EDX). The photoelectrochemical performances of the as-prepared composite nanotubes were determined by measuring the photogenerated current and voltage under illumination of ultravioletvisible (UV-vis)/visible light. The TiO2 nanotube arrays modified by Cr2O3 showed higher photocurrent values than those of unmodified TiO2 nanotube arrays. The enhanced photoelectrochemical behaviors can be attributed to the modified Cr2O3 which increases the probability of charge-carrier separation and extends the range of the TiO2 photoresponse from UV to visible region due to the low band gap of 2.3 eV of Cr2O3.

文章类型Article
关键词Tio2 Nanotubes Anodization Cr2o3 Photoelectrochemistry Visible Light
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1166/jnn.2014.8969
关键词[WOS]CR-DOPED TIO2 ; SENSITIZED SOLAR-CELLS ; PHOTOCATALYTIC ACTIVITY ; ARRAYS ; LIGHT ; FABRICATION ; DEGRADATION ; ANODIZATION ; FILMS ; AG
收录类别SCI
语种英语
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000335873900074
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/6158
专题科技处
作者单位1.Shandong Univ Sci & Technol, Sch Mat Sci & Engn, Qingdao 266590, Shandong, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Shandong, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Fen,Jin, Tao,Zeng, Rongchang,et al. Cr2O3 Nanoparticles Modified TiO2 Nanotubes for Enhancing Visible Photoelectrochemical Performance[J]. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,2014,14(9):7022-7026.
APA Zhang, Fen,Jin, Tao,Zeng, Rongchang,Cui, Hongzhi,&Song, Liang.(2014).Cr2O3 Nanoparticles Modified TiO2 Nanotubes for Enhancing Visible Photoelectrochemical Performance.JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY,14(9),7022-7026.
MLA Zhang, Fen,et al."Cr2O3 Nanoparticles Modified TiO2 Nanotubes for Enhancing Visible Photoelectrochemical Performance".JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 14.9(2014):7022-7026.
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