Abstract
A simple chemical reduction method has been successfully employed to synthesize ZnO nanocrystals. The nanocrystals are spherical having a dimension of ~100nm as revealed from scanning electron microscopy and transmission electron microcopy. The growth of the nanocrystals follows a bottom-up approach via the formation of ZnO nuclei and successive growth. The ZnO nanocrystals exhibit strong absorption at ~378nm. The synthesized ZnO exhibits strong UV emission at ~387nm owing to the band to band transition.
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