Photocatalytic Degradation of Methylene Blue by Hydrothermally Prepared Ag-Doped TiO2 Under Visible Light Irradiations

被引：9
|
作者：
Khan, Matiullah [1 ,2 ]
Gul, Sahar Ramin [2 ]
Li, Jing [3 ]
Cao, Wenbin [1 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Dept Inorgan Nonmetall Mat, Beijing 100083, Peoples R China
[2] KUST, Dept Phys, Kohat 26000, Pakistan
[3] Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
来源：
JOM | 2015年 / 67卷 / 09期
基金：
中国国家自然科学基金;
关键词：
SILVER;
D O I：
10.1007/s11837-015-1486-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanosized silver (Ag)-doped TiO2 and undoped TiO2 are synthesized by a hydrothermal method. With the pure anatase phase, all samples showed good crystallinity and spherical morphology with uniform particle size distribution. Silver doping shifted the absorption edge of TiO2 toward a visible regime depicting the possible modification in the electronic band structure. X-ray photoelectron spectroscopy confirmed the existence of Ag in the doped sample. Compared with bare TiO2, Ag-doped TiO2 exhibits enhanced photocatalytic activity by the degradation of methylene blue under visible light illumination.
引用
收藏
页码：2104 / 2107
页数：4
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