期刊
MATERIALS LETTERS
卷 160, 期 -, 页码 259-262出版社
ELSEVIER
DOI: 10.1016/j.matlet.2015.07.136
关键词
Semiconductors; Nanocrystalline materials; Optical materials and properties; Surfaces
资金
- Research Universiti Grant from Universiti Sains Malaysia [814176]
- International Research Collaboration Fund from Universiti Sains Malaysia [910404]
- Universiti Tunku Abdul Rahman through UTARRF schemes [UTARRF/2015-C1/L02, UTARRF/2015-C1/S04]
Different morphologies of ZnO nanostructures such as spherical-like, rod-like and flower-like were successfully synthesized by a facile and surfactant-free precipitation method in different NaOH concentrations. The as-synthesized ZnO nanostructures were characterized by field-emission scanning electron microscopy, energy dispersive X-ray, X-ray diffraction and fourier transform infrared spectroscopy. The results showed that the as-synthesized ZnO nanostructures were wurtzite hexagonal phase pure ZnO and well crystalline. It was also observed that the spectral properties of the as-synthesized ZnO nanostructures can be altered at different NaOH concentrations. A possible formation mechanism of the different ZnO nanostructures was discussed in term of the crystal nucleation and crystal growth direction. The photocatalytic tests revealed that the as-synthesized ZnO nanostructures were promising photocatalysts in remediation of water contaminated of organic pollutants under UV light irradiation. (C) 2015 Elsevier B.V. All rights reserved.
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