Photoelectrochemical study of oxygen deficient TiO2 nanowire arrays with CdS quantum dot sensitization.

Hanyu Wang; Gongming Wang; Yichuan Ling; Marion Lepert; Changchun Wang; Jin Z. Zhang; Yat Li

doi:10.1039/c2nr11278g

Photoelectrochemical study of oxygen deficient TiO2 nanowire arrays with CdS quantum dot sensitization.

Hanyu Wang, Gongming Wang, Yichuan Ling, Marion Lepert, Changchun Wang, Jin Z. Zhang, Yat Li

Research output: Contribution to journal › Article › peer-review

112 Scopus citations

Abstract

Oxygen-deficient TiO(2) nanowires show substantially increased donor density due to an increase in oxygen vacancies introduced intentionally by thermal treatment in ammonia, vacuum, or hydrogen. By coupling oxygen-deficient TiO(2) nanowires with CdS quantum dots, a significant enhancement in their photoactivities was observed in the entire wavelength region from 350 to 550 nm. These new nanocomposites hold great promise for solar hydrogen generation.

Original language	English
Pages (from-to)	1463-1466
Number of pages	4
Journal	Nanoscale
Volume	4
Issue number	5
DOIs	https://doi.org/10.1039/c2nr11278g
State	Published - Mar 7 2012
Externally published	Yes

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abstract = "Oxygen-deficient TiO(2) nanowires show substantially increased donor density due to an increase in oxygen vacancies introduced intentionally by thermal treatment in ammonia, vacuum, or hydrogen. By coupling oxygen-deficient TiO(2) nanowires with CdS quantum dots, a significant enhancement in their photoactivities was observed in the entire wavelength region from 350 to 550 nm. These new nanocomposites hold great promise for solar hydrogen generation.",

author = "Hanyu Wang and Gongming Wang and Yichuan Ling and Marion Lepert and Changchun Wang and Zhang, {Jin Z.} and Yat Li",

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AU - Wang, Hanyu

AU - Wang, Gongming

AU - Ling, Yichuan

AU - Lepert, Marion

AU - Wang, Changchun

AU - Zhang, Jin Z.

AU - Li, Yat

PY - 2012/3/7

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AB - Oxygen-deficient TiO(2) nanowires show substantially increased donor density due to an increase in oxygen vacancies introduced intentionally by thermal treatment in ammonia, vacuum, or hydrogen. By coupling oxygen-deficient TiO(2) nanowires with CdS quantum dots, a significant enhancement in their photoactivities was observed in the entire wavelength region from 350 to 550 nm. These new nanocomposites hold great promise for solar hydrogen generation.

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Photoelectrochemical study of oxygen deficient TiO2 nanowire arrays with CdS quantum dot sensitization.

Abstract

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