Abstract
In this report, first, ZnSe:Cu QDs have been grown by a simple, rapid, and room temperature UV-assisted approach. Then by a one-pot approach, synthesized QDs were shelled by an inorganic ZnS shell. ZnS shell was grown using UV-sensitivity of Na2S2O3. Synthesized QDs were characterized by means of X-ray diffraction (XRD), field emission scanning electron microscope (FE-SEM), energy-dispersive X-ray spectroscopy (EDAX), UV–Visible (UV–Vis), and photoluminescence (PL) analysis. ZnS shell growth resulted in increasing green emission of the ZnSe:Cu QDs and PL intensity was increased significantly by ZnS:Cu shell growth. The optimum value of the PL intensity was obtained for ZnSe:Cu(1.5%)/ZnS:Cu(0.05%).
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Molahossieni, E., Molaei, M., Karimipour, M. et al. ZnSe:Cu/ZnS:Cu quantum dots (QDs): synthesis via a simple UV-assisted approach and investigating optical properties. J Mater Sci: Mater Electron 31, 387–393 (2020). https://doi.org/10.1007/s10854-019-02537-w
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DOI: https://doi.org/10.1007/s10854-019-02537-w