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Pàgina inicial > Articles > Articles publicats > A facile co-precipitation synthesis of heterostructured ZrO₂/ZnO nanoparticles as efficient photocatalysts for wastewater treatment |
Data: | 2017 |
Resum: | ZrO₂-decorated ZnO (ZrO₂/ZnO) nanoparticles (NPs) have been synthesized by a facile co-precipitation method in the presence of cetyltrimethylammonium bromide (CTAB) surfactant. The ZrO₂ amount in the NPs has been varied from 1. 0, 2. 0, 4. 9, to 9. 3% by weight. The resulting NPs are heterostructured and consist of a crystalline ZnO core (wurtzite phase) surrounded by an amorphous ZrO₂ layer. X-ray diffraction analyses support this observation. The NPs show a narrow size distribution and are slightly elongated. Compared to pure ZnO NPs, the hybrid ZrO₂/ZnO ones show enhanced photocatalytic activity toward the degradation of Rhodamine B under UV-Vis light. Such enhancement has been partly attributed to the increased amount of oxygen vacancies when ZrO₂ is incorporated into the NPs, as shown by X-ray photoelectron spectroscopy analyses. |
Ajuts: | Ministerio de Economía y Competitividad MAT2014-57960-C3-2-R Ministerio de Economía y Competitividad MAT2014-57960-C3-1-R Ministerio de Economía y Competitividad RYC-2012-10839 Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-1015 |
Nota: | Gnm3 |
Nota: | Altres ajuts: Basque Government ELKARTEK, FN KK-2015/0010 |
Drets: | Tots els drets reservats. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió acceptada per publicar |
Publicat a: | Journal of materials science, Vol. 52, issue 24 (Dec. 2017) , p. 13779-13789, ISSN 0022-2461 |
Postprint 27 p, 2.4 MB |