Modification of TiO2 Photocatalysts with Metalloid Anions and the Applicaton in Salt Solution System

doi:10.3724/SP.J.1077.2011.00571

Abstract

Abstract: The progress was made in the area of extending the light absorption of TiO₂ into visible light region by methods of metal cation doping, metalloid anion doping, ion implantation and photosensitization. The particular advantage of metalloid anion doping was that the visible-light-activities can be obtained without the lose of UV-light activities. This article mainly summarized the recent progress in TiO₂ modification by means of metalloid anion doping and the advance in photocatalytic hydrogen production with the photosensitization semiconductor made in our group. In addition, the effect of metalloid anion doped TiO₂ in response to visible light was classified and evaluated. Based on the fact that the construction of inorganic salt-water splitting system without electron donors is a new subject with a view to practical research, the recent advance in the construction of inorganic salt-water splitting system is briefly reviewed while the prospects and existing problems especially for TiO₂ photocatalyst are also addressed.

Key words: TiO₂ photocatalyst, metalloid anion doping, photosensitization, salt solution, review

CLC Number:

O643

JIN Zhi-Liang, LV Gong-Xuan. Modification of TiO₂ Photocatalysts with Metalloid Anions and the Applicaton in Salt Solution System[J]. Journal of Inorganic Materials, 2011, 26(6): 571-578.

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Modification of TiO₂ Photocatalysts with Metalloid Anions and the Applicaton in Salt Solution System

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