Visible-light-driven photoelectrochemical and photocatalytic performances of Cr-doped SrTiO3/TiO2 heterostructured nanotube arrays

被引：89

作者：

Jiao, Zhengbo ^{[1
,2
]}

Chen, Tao ^{[1
,2
]}

Xiong, Jinyan ^{[1
,2
]}

Wang, Teng ^{[1
,2
]}

Lu, Gongxuan ^{[1
,2
]}

Ye, Jinhua ^{[3
,4
]}

Bi, Yingpu ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China

[2] Chinese Acad Sci, Lanzhou Inst Chem Phys, Natl Engn Res Ctr Fine Petrochem Intermediates, Lanzhou 730000, Peoples R China

[3] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton MANA, Tsukuba, Ibaraki 3050047, Japan

[4] Natl Inst Mat Sci, Res Unit Environm Remediat Mat, Tsukuba, Ibaraki 3050047, Japan

来源：

SCIENTIFIC REPORTS | 2013年 / 3卷

基金：

中国国家自然科学基金;

关键词：

TITANIA NANOTUBES; TIO2;

D O I：

10.1038/srep02720

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Well-aligned TiO2 nanotube arrays have become of increasing significance because of their unique highly ordered array structure, high specific surface area, unidirectional charge transfer and transportation features. However, their poor visible light utilization as well as the high recombination rate of photoexcited electron-hole pairs greatly limited their practical applications. Herein, we demonstrate the fabrication of visible-light-responsive heterostructured Cr-doped SrTiO3/TiO2 nanotube arrays by a simple hydrothermal method, which facilitate efficient charge separation and thus improve the photoelectrochemical as well as photocatalytic performances.

引用

页数：6

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