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Erschienen in:
01.08.2015
Hydrothermal synthesis, characterization and light harvesting applications of zinc oxide nanostructures
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 8/2015
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Abstract
In this manuscript, nanostructured ZnO materials have been successfully prepared via a new ammonia-assisted hydrothermal method at 70 °C with the aid of Zn(NO3)2·4H2O as a single precursor in the absence of any capping agents. The effect of the initial concentrations of Zn2+ and ammonia on the morphology and particle size of as-synthesized ZnO was investigated. The as-prepared ZnO nanostructures were characterized by X-ray diffraction patterns, electron diffraction X-ray, Fourier transformation infrared, and photoluminescence spectroscopies, and scanning electron microscopy. Furthermore, the photocatalysis results reveal that the maximum decolorization of 26.2 and 44.1 % for rhodamine-B and methylene blue occurred with ZnO samples in 120 min under ultraviolet light irradiation, respectively. Moreover, the as-synthesized ZnO nanostructures were utilized as photo-anode material for the fabrication of dye-sensitized solar cells.