An Efficient Method To Form Heterojunction CdS/TiO2 Photoelectrodes Using Highly Ordered TiO2 Nanotube Array Films

An Efficient Method To Form Heterojunction CdS/TiO2 Photoelectrodes Using Highly Ordered TiO2 Nanotube Array Films

A heterojunction CdS/TiO2 photoelectrode is prepared by filling CdS nanoparticles into one-dimensional TiO2 nanotube (NT) array films. The self-assembled TiO2 NTs are fabricated by an anodization method and sensitized with CdS nanoparticles by the close space sublimation technique. The photoactivity...

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Veröffentlicht in:Journal of physical chemistry. C 2009-11, Vol.113 (47), p.20481-20485
Hauptverfasser: Gao, Xian-Feng, Sun, Wen-Tao, Hu, Zhu-Dong, Ai, Guo, Zhang, Yi-Ling, Feng, Shi, Li, Fei, Peng, Lian-Mao
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container_end_page 20485
container_issue 47
container_start_page 20481
container_title Journal of physical chemistry. C
container_volume 113
creator Gao, Xian-Feng
Sun, Wen-Tao
Hu, Zhu-Dong
Ai, Guo
Zhang, Yi-Ling
Feng, Shi
Li, Fei
Peng, Lian-Mao
description A heterojunction CdS/TiO2 photoelectrode is prepared by filling CdS nanoparticles into one-dimensional TiO2 nanotube (NT) array films. The self-assembled TiO2 NTs are fabricated by an anodization method and sensitized with CdS nanoparticles by the close space sublimation technique. The photoactivity of the as-prepared photoelectrodes was measured in a photoelectrochemical solar cell. Under AM 1.5G illumination, a 5.6 mA/cm2 short-circuit current density is achieved using the CdS modified photoelectrode, which represents an enhancement by a factor of 36 in photoactivity compared with that of the plain TiO2 NT array film.
doi_str_mv 10.1021/jp904320d
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title An Efficient Method To Form Heterojunction CdS/TiO2 Photoelectrodes Using Highly Ordered TiO2 Nanotube Array Films
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