Fluorine-Doped Porous Single-Crystal Rutile TiO2 Nanorods for Enhancing Photoelectrochemical Water Splitting

被引：62

作者：

Fang, Wen Qi ^{[1
,2
]}

Huo, Ziyang ^{[2
]}

Liu, Porun ^{[3
]}

Wang, Xue Lu ^{[1
,3
]}

Zhang, Miao ^{[4
]}

Jia, Yi ^{[2
]}

Zhang, Haimin ^{[3
]}

Zhao, Huijun ^{[3
]}

Yang, Hua Gui ^{[1
,3
]}

Yao, Xiangdong ^{[2
]}

机构：

[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Key Lab Ultrafine Mat, Minist Educ, Shanghai 200237, Peoples R China

[2] Griffith Univ, QLD Micro & Nanotechnol Ctr, Nathan, Qld 4111, Australia

[3] Griffith Univ, Griffith Sch Environm, Ctr Clean Environm & Energy, Nathan, Qld 4222, Australia

[4] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2014年 / 20卷 / 36期

基金：

澳大利亚研究理事会; 中国博士后科学基金; 中国国家自然科学基金;

关键词：

photoelectrochemistry; hierarchical structures; porous materials; titanium dioxide; water splitting; ELECTRON-TRANSPORT; CONTROLLED GROWTH; SOLAR-CELLS; LOW-COST; EFFICIENCY; PHOTOCURRENT; MOBILITY; SIZE;

D O I：

10.1002/chem.201402914

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Fluorine-doped hierarchical porous single-crystal rutile TiO2 nanorods have been synthesized through a silica template method, in which F- ions acts as both n-type dopants and capping agents to make the isotropic growth of the nanorods. The combination of high crystallinity, abundant surface reactive sites, large porosity, and improved electronic conductivity leads to an excellent photoelectrochemical activity. The photoanode made of F-doped porous single crystals displays a remarkably enhanced solar-to-hydrogen conversion efficiency (approximate to 0.35% at -0.33 V vs. Ag/AgCl) under 100 mWcm(-2) of AM=1.5 solar simulator illumination that is ten times of the pristine solid TiO2 single crystals.

引用

页码：11439 / 11444

页数：6

共 32 条

[1] Benkstein KD, 2003, J PHYS CHEM B, V107, P7759, DOI 10.1021/jp0226811
[2] Mesoporous TiO2 single crystals delivering enhanced mobility and optoelectronic device performance
Crossland, Edward J. W.
Noel, Nakita
Sivaram, Varun
Leijtens, Tomas
Alexander-Webber, Jack A.
Snaith, Henry J.
[J]. NATURE, 2013, 495 (7440) : 215 - 219
[3] Manipulating solar absorption and electron transport properties of rutile TiO2 photocatalysts via highly n-type F-doping
Fang, Wen Qi
Wang, Xue Lu
Zhang, Haimin
Jia, Yi
Huo, Ziyang
Li, Zhen
Zhao, Huijun
Yang, Hua Gui
Yao, Xiangdong
[J]. JOURNAL OF MATERIALS CHEMISTRY A, 2014, 2 (10) : 3513 - 3520
[4] Yolk@shell anatase TiO2 hierarchical microspheres with exposed {001} facets for high-performance dye sensitized solar cells
Fang, Wen Qi
Yang, Xiao Hua
Zhu, Hongjun
Li, Zhen
Zhao, Huijun
Yao, Xiangdong
Yang, Hua Gui
[J]. JOURNAL OF MATERIALS CHEMISTRY, 2012, 22 (41) : 22082 - 22089
[5] HIGH-MOBILITY N-TYPE CHARGE-CARRIERS IN LARGE SINGLE-CRYSTALS OF ANATASE (TIO2)
FORRO, L
CHAUVET, O
EMIN, D
ZUPPIROLI, L
BERGER, H
LEVY, F
[J]. JOURNAL OF APPLIED PHYSICS, 1994, 75 (01) : 633 - 635
[6] Electrons in nanostructured TiO2 solar cells:: transport, recombination and photovoltaic properties
Frank, AJ
Kopidakis, N
van de Lagemaat, J
[J]. COORDINATION CHEMISTRY REVIEWS, 2004, 248 (13-14) : 1165 - 1179
[7] ELECTROCHEMICAL PHOTOLYSIS OF WATER AT A SEMICONDUCTOR ELECTRODE
FUJISHIMA, A
HONDA, K
[J]. NATURE, 1972, 238 (5358) : 37 - +
[8] Local field effects on electron transport in nanostructured TiO2 revealed by terahertz spectroscopy
Hendry, E
Koeberg, M
O'Regan, B
Bonn, M
[J]. NANO LETTERS, 2006, 6 (04) : 755 - 759
[9] Synthesis of mesoporous single crystal rutile TiO2 with improved photocatalytic and photoelectrochemical activities
Jiao, Wei
Xie, Yingpeng
Chen, Runze
Zhen, Chao
Liu, Gang
Ma, Xiuliang
Cheng, Hui-Ming
[J]. CHEMICAL COMMUNICATIONS, 2013, 49 (100) : 11770 - 11772
[10] Metal Oxides for Dye-Sensitized Solar Cells
Jose, Rajan
Thavasi, Velmurugan
Ramakrishna, Seeram
[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2009, 92 (02) : 289 - 301

← 1 2 3 4 →