Abstract
CdSe:Zn/CdS core–shell nanoparticles have been synthesized through the chemical precipitation method. The structural, optical and morphological properties of the synthesized core–shell nanoparticles were characterized by an X-ray diffraction, UV–vis absorption spectroscopy, photoluminescence spectroscopy and high-resolution transmission electron microscopy techniques. The X-ray diffraction analysis of the synthesized core–shell nanoparticles confirms the formation of cubic phase. The absorption and emission spectra of the synthesized core–shell nanoparticles show the red shift with respect to the CdS shell thickness on Zn-doped CdSe core. High-resolution transmission electron microscopy images display the synthesized core–shell nanoparticles were in spherical shape.
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