Effect of HF treatment on the activity of TiO2 thing films for photocatalytic water splitting

被引：8

作者：

Kitano, M. ^{[2
]}

Matsuoka, M. ^{[1
]}

Hosoda, T. ^{[1
]}

Ueshima, M. ^{[2
]}

Anpo, M. ^{[1
]}

机构：

[1] Osaka Prefecture Univ, Dept Appl Chem, Grad Sch Engn, Naka Ku, Osaka 5998531, Japan

[2] Osaka Prefecture Univ, Ind Univ Cooperat Organizat, Naka Ku, Osaka 5998570, Japan

来源：

RESEARCH ON CHEMICAL INTERMEDIATES | 2008年 / 34卷 / 5-7期

关键词：

TiO2; HF treatment; water splitting; photocatalysis; photoelectrochemistry;

D O I：

10.1163/156856708784795518

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The effects of HF treatment on the activity of TiO2 thin films for the photocatalytic water splitting reaction have been investigated. TiO2 thin films treated with HF solution (HF-TiO2) were found to exhibit a remarkable enhancement of the photocatalytic activity for H-2 evolution from a methanol aqueous solution, as well as efficient photoelectrochemical performance under UV light irradiation as compared with the untreated TiO2. Moreover, Pt-loaded HF-TiO2 thin films were found to act as efficient and stable photocatalysts for the decomposition of water under UV light irradiation. The mechanistic insights obtained in the present study will be useful in the design of highly efficient photocatalysts for the decomposition of water.

引用

页码：577 / 585

页数：9

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