PHOTOCATALYTIC ACTIVITY OF TiO2 LOADED WITH METAL CLUSTERS

被引：0
|
作者：
Grabowska, Ewelina [1 ]
Remita, Hynd [2 ]
Zaleska, Adriana [1 ]
机构：
[1] Gdansk Univ Technol, Fac Chem, Dept Chem Technol, Gdansk, Poland
[2] Univ Paris 11, Chim Phys Lab, F-91405 Orsay, France
来源：
PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING | 2010年 / 45卷
关键词：
photocatalysis; metal clusters; modified TiO2; SILVER; NANOPARTICLES;
D O I：
暂无
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：
TiO2 was surface modified with silver, gold and platinum ion clusters to improve its photocatalytic activity. The effect of metal content, the kind of dopant and titanium dioxide source (commercial - P25 and ST-01) used during preparation procedure on photoactivity were investigated. The photocatalytic activity was estimated by measuring the decomposition rate of 0.21 mM phenol aqueous solution under UV-Vis and visible (lambda>400 nm). The highest photoactivity was observed for TiO2 loaded with silver (2%Ag on P25), gold (1%Au on P25) and platinum (0.5% Pt on ST-01) clusters. After 60 min. of irradiation under UV light phenol solution was degraded in 91%, 49% and 91%, respectively
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页码：29 / 38
页数：10
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