Abstract

Cadmium Selenide (CdSe) nanoparticles are synthesized by a simple and cost effective one pot synthesis method and incorporated size selective precipitation to get powder samples. We have studied structural, morphological and optical properties by High resolution transmission electron microscope (HR-TEM), X-ray diffraction (XRD), Uv-vis reflectance spectra and photoluminescence spectra (PL). We have doped CdSe nanoparticles with Manganese (Mn2+) ions and saw the modifications in optical and morphological properties. Band gap and crystallite size of the nanoparticles are quite antiphonal to doping concentration. Calculated Urbach energies and Lattice parameters are also seemed to be changed with dopant concentration due to substitutional doping.

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