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Synthesis of Biomorphic ZnO Using Radish Slices as Biotemplate
Abstract:
The biomorphic ZnO were prepared with zinc nitrate using radish slices as the biotemplate. Microstructure, morphology and optical properties of the ZnO were studied using XRD, FTIR, FE-SEM and PL spectra. It is found that ZnO are wurtzite structure, the average diameter and length are 0.5μm and 2μm, respectively. There are a large number of small particles on the grain surface, the size of small particles is about100nm. The PL spectra of the biomorphic ZnO consists of two peaks centered at 394nm and 448nm, and the 394nm peak exhibits an obvious red shift compared with hexageonal cone-shaped ZnO.
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1169-1172
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February 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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