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- Title
One-pot synthesis and improved photocatalytic performance of AgSiO/N-CeO composites.
- Authors
Zhao, Gao-yu; Yang, Shao-wei; Jiang, Lin; Zhang, Hong-mei
- Abstract
Novel AgSiO/N-CeO composite photocatalysts were synthesized by a facile one-pot method. XRD, SEM, EDS, and UV-Vis DRS were employed to characterize the structures of the samples. Moreover, the degradation activity of methyl violet (MV) was used to measure the photocatalytic performances of AgSiO, N-CeO, and the AgSiO/N-CeO composites. It was found that ASO-10 (the AgSiO/N-CeO composite with 10 mg N-CeO) showed the highest photocatalytic activity in the degradation of MV, and the enhanced photocatalytic performance is attributed to an improvement in the separation efficiency of photoproduced electron-hole pairs. Effects of operational parameters, such as initial pH, catalyst dosage, initial dye concentration, anions and cations, have also been considered for better practical applications. In addition, the photocatalytic mechanism of the AgSiO/N-CeO composites is also proposed.
- Subjects
PHOTOCATALYSTS; CERIUM oxides; GENTIAN violet; X-ray diffraction; DYES &; dyeing
- Publication
Journal of Materials Science: Materials in Electronics, 2018, Vol 29, Issue 3, p2282
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-017-8144-3