Characteristics of ZnO Particles Prepared by Au-catalyzed Phase Transport Technique |
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Authors: | HU Shi-qi HUANG Ke-ke HOU Chang-min YUAN Hong-ming HU Bin FENG Shou-hua |
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Affiliation: | State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, P. R. China |
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Abstract: | ZnO particles were prepared by Au-catalyzed vapor phase transport method on silicon substrate. Scanning electron microscopy(SEM) images show many ZnO particles were formed on the sample surface. They grew up layer by layer along the c-axis, which was confirmed by the results of X-ray diffraction(XRD). The morphology of ZnO particles is close to hemisphere and its formation process could be seen from the SEM image. The room temperature photoluminescence(PL) measurement revealed a narrow UV emission peak at 3.27 eV and a broad green emission peak at 2.45 eV, which was caused by the near-band-edge and deep-level emissions. |
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Keywords: | ZnO Au-catalyzed Vapor phase transport Photoluminescence |
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