Abstract
ZnS and manganese doped ZnS (ZnS:Mn2+) nanocrystals were prepared by adding Na2S to the solutions of zinc oleate and zinc oleate mixed with Mn(NO3)2. It was done by thermal decomposition using auto-clave method. The aging of the complexes in auto-clave resulted in ZnS and Mn2+ doped ZnS nanoparticles. The diameters of both nanoparticles were determined as approximately 10.3±2.1 nm from XRD line widths and TEM images. The ZnS:Mn2+ nanoparticles emitted at 500 nm∼650 nm (λmax=575 nm) in contrast to ZnS nanoparticles. The luminescence Intensity of ZnS:Mn2+ highly depend on the amount of Mn2+ added.
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