Photocatalysis of Ag Doped TiO x Films Prepared at Room Temperature

被引：5

作者：

Horakova, Marta ^{[1
]}

Martin, Nicolas ^{[2
]}

Aubry, Eric ^{[1
,2
]}

Spatenka, Petr ^{[1
,3
]}

机构：

[1] Tech Univ Liberec, Fac Mech Engn, Dept Mat Sci, Liberec 46117, Czech Republic

[2] UTBM, ENSMM, CNRS, UFC,Inst FEMTO ST,Dept MN2S,UMR 6174, F-25030 Besancon, France

[3] Univ S Bohemia, Dept Phys, Ceske Budejovice 37001, Czech Republic

来源：

CATALYSIS LETTERS | 2009年 / 132卷 / 1-2期

关键词：

Photocatalytic activity; Reactive magnetron sputtering; Ag doping; Titanium oxide; Acid Orange 7; TITANIUM-DIOXIDE; THIN-FILMS; AU;

D O I：

10.1007/s10562-009-0093-x

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：

The aim of this paper is an investigation of the photocatalytic efficiency of TiO (x) thin films deposited by DC reactive magnetron sputtering at low temperature and doped by Ag noble metal. Crystallographic structure and chemical composition of as-deposited films were examined by XRD and RBS, respectively. Ag/TiO (x) films morphology was studied by SEM analysis. The photocatalytic activity was evaluated from the decomposition speed of an aqueous solution of the Acid Orange 7, exposed to UV/VIS light. A systematic change of Ag concentration in TiO (x) films led to a maximum activity. Such a maximum is discussed taking into account composition, morphology and structure of the films.

引用

页码：244 / 247

页数：4

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