Photocatalytic properties of titania powders prepared by hydrothermal method

被引:225
作者
Kolen'ko, YV
Churagulov, BR
Kunst, M
Mazerolles, L
Colbeau-Justin, C
机构
[1] Univ Paris 13, CNRS, UPR1311, LIMHP, F-93430 Villetaneuse, France
[2] Moscow MV Lomonosov State Univ, Dept Mat Sci, Moscow 119992, Russia
[3] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia
[4] Hahn Meitner Inst Berlin GmbH, Abt Solare Energet, D-14109 Berlin, Germany
[5] CNRS, Ctr Etud Chim Met, UPR2801, F-94407 Vitry Sur Seine, France
基金
俄罗斯基础研究基金会;
关键词
nanocrystalline titania; TiO2; hydrothermal synthesis; photocatalysis; phenol photodegradation; TRMC;
D O I
10.1016/j.apcatb.2004.06.006
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
Nanocrystalline titania with particle size similar to20-50 nm and specific surface area similar to20-80 m(2)g(-1) is prepared by hydrothermal treatment of aqueous TiOSO4, H2TiO(C2O4)(2), and TiO(NO3)(2) solutions. The photocatalytic behavior of synthesized TiO2 powders is studied in the reaction of phenol photodegradation in water and optimal characteristics of these materials are explored. The best photocatalytic activity was observed for a mixture of rutile (15%) and anatase (85%) prepared by high-temperature hydrolysis of aqueous TiOSO4 solution. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:51 / 58
页数:8
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