| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10624829 | Ceramics International | 2014 | 20 Pages |
Abstract
Heterostructured Ag3PO4/TiO2 nano-sheet film (Ag3PO4/TiO2 NSF) was fabricated by depositing Ag3PO4 particles on the surface of TiO2 NSF through an impregnating-deposition method under room conditions. The prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), UV-vis absorption spectroscopy (UV-vis) and photoluminescence spectroscopy (PL). The photodegradation of methylene blue (MB) under visible light and UV light irradiation was investigated over Ag3PO4/TiO2 NSFs with different Ag3PO4 concentrations. Ag3PO4/TiO2 NSF showed obviously superior photocatalytic degradation of MB due to the heterostructure of the catalyst which could improve the visible light absorption ability and the separation of photoexcited electron-hole pairs. The rate constant of MB degradation over the optimal sample (0.03Â M Ag3PO4/TiO2 NSF) was much faster than that of pure TiO2 NSF by a factor of 22.00 and 8.45 under visible-light and UV light irradiation respectively.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Chunni Tang, Enzhou Liu, Jun Fan, Xiaoyun Hu, Limin Kang, Jun Wan,