Sn-doped ZnO nanorod arrays were synthesized by a novel method combining the aqueous solution process with post-growth rapid photothermal processing (RPP). The post-growth RPP of Sn-doped ZnO nanostrnctures at 700 degC in vacuum was found to result in a drastic decrease of the near-bandgap photoluminescence intensity. A comparison of the impact of RPP in Sn and AI doped samples is performed and the reasons of near-bandgap photoluminescence intensity decrease in Sn-doped samples are discussed.
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Access full text - https://doi.org/10.1109/SMICND.2007.4519732