期刊
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A
卷 94, 期 13, 页码 2715-2722出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0036024420130166
关键词
Ag; V-TiO2; photocatalysis; XRD plane ratio
资金
- University research council (URC), University of Johannesburg
- Global Excellence Stature (GES) program
A novel Ag,V co-doped TiO2 was synthesized for the first time by a simple sol-gel hydrothermal method and was compared to pure and single doped TiO2. A red shift in the light absorption was observed and significant band gap reduction for Ag,V-TiO2 (2.2 eV) as compared to Ag-TiO2 (2.8 eV), V-TiO2 (2.3 eV), and TiO2 (2.9 eV) was observed. XRD results revealed both anatase and rutile phases. Ag,V-TiO2 the most active photocatalyst showed excellent photocatalytic abilities under visible light irradiation, achieving 99.83% MB removal within 15 min. The photocatalytic degradation performance had a direct relation with the intensity ratio of [101]/[110] plane of anatase to rutile phase of prepared TiO2 based photocatalysts.
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