Synthesis and Characterization of ZnO Nanoflowers Grown on AlN Films by Solution Deposition |
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Authors: | GAO Hai-Yong YAN Fa-Wang ZHANG Yang LI Jin-Min ZENG Yi-Ping |
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Affiliation: | Semiconductor Lighting Technology Research and Development Centre,Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083 |
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Abstract: | ZnO nanoflowers are synthesized on AlN films by solution method. The synthesized nanoflowers are composed of nanorods, which are pyramidal and grow from a central point, thus forming structures that are flower-shaped as a whole. The nanoflowers have two typical morphologies: plate-like and bush-like. The XRD spectrum corresponds to the side planes of the ZnO nanorods made up of the nanoflowers. The micro-Raman spectrum of the ZnO nanoflowers exhibits the E2 (high) mode and the second order multiple-phonon mode. The photoluminescence spectrum of the ZnO nanoflowers exhibits ultraviolet emission centred at 375nm and a broad green emission centred at 526nm. |
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Keywords: | 61.46.Hk 81.05.Dz 81.10.Dn |
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