Photophysical and photocatalytic properties of Ca1-xBixVxMo1-xO4 solid solutions

被引：110

作者：

Yao, Weifeng

Ye, Jinhua

机构：

[1] Natl Inst Mat Sci, Photocatalyt Mat Ctr, Tsukuba, Ibaraki 3050047, Japan

[2] Japan Sci & Technol Agcy, Precursory Res Embryon Sci & Technol, Kawaguchi, Saitama 3320012, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2006年 / 110卷 / 23期

关键词：

D O I：

10.1021/jp0608729

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

New solid solutions with the composition of Ca1-xBixVxMo1-xO4 prepared by a solid-state method were found as novel photocatalysts with enhanced activity for O-2 evolution from aqueous solutions containing sacrificial regent AgNO3 under visible-light irradiation (>420 nm). The obtained solid solutions crystallized in tetragonal crystal structures, except one of the end compounds, BiVO4, which crystallized in monoclinic structures. The diffuse reflection spectra of the solid solutions shift monotonically to a long wavelength as the ratio of Bi (V) ions to Ca(Mo) ions increases in the solid solution. The band structure and the dependence of the photocatalytic properties were discussed in relation to the solid-solution compositions and photophysical properties.

引用

页码：11188 / 11195

页数：8

共 33 条

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