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Size dependent properties of Mn-doped ZnS nanocrystals
作者:王海
關鍵字:無
論文來源:期刊
發表時間:2011年
Recently, nanocrystalline semiconductor have received much attention due to their novel optical and electronical properties arising from their unique quantum nature [ Mn-doped ZnS nanocrystals were synthesized via a facile hydrothermal method with the assistant of propanetriol. The structure characterization of the resulting samples was investigated by means of X-ray powder diffraction (XRD). Results indicated that the diameters of the Mn-doped ZnS nanocrystals were in the range of 3.5-4.5 nm. More importantly, we found that propanetriol played a crucial role during the synthesis of controlled Mn-doped ZnS nanocrystalline size. It has been found that nanocrystalline size of Mn-doped ZnS increased with the amount of propanetriol into a reactant mixture. The tunability of the photoluminescence properties of Mn-doped ZnS was identified to be related to the nanocrystalline size. The results will be significant in fabrication of controlled nanocrystalline structure based on various optical divices applications
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