Crystal-facet-controllable synthesis of Cu2O microcrystals, shape evolution and their comparative photocatalytic activity
| Autor: | Wendong Zhang, Jie Hu, Pengwei Li, Anli Li |
|---|---|
| Rok vydání: | 2015 |
| Předmět: |
Materials science
Nanotechnology Condensed Matter Physics Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Crystal Truncated octahedron Crystallography chemistry.chemical_compound Truncated cube Octahedron chemistry Photocatalysis Methyl orange Electrical and Electronic Engineering Facet Single crystal |
| Zdroj: | Journal of Materials Science: Materials in Electronics. 26:5071-5077 |
| ISSN: | 1573-482X 0957-4522 |
| DOI: | 10.1007/s10854-015-3030-3 |
| Popis: | Single crystal Cu2O materials with morphologies of cube, truncated cube, truncated octahedron, octahedron etc. have been synthesized by a facile glucose reduction method. Polyvinylpyrrolidone concentration dependent, crystal-facet-controllable growth mechanism of the synthesized Cu2O crystals has been proposed in the article. The photocatalytic test results show that the octahedral Cu2O crystals with dominant {111} planes have super photocatalytic activity than the cubic ones packaged by {100} surfaces, which could be explained by that the polar, highly active {111} facets with unsaturated “Cu” have more excellent activity on the methyl orange dye degradation. This article will contribute to promote the morphology construction and crystal-dependent catalytic properties of metal oxide semiconductor materials. |
| Databáze: | OpenAIRE |
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