Abstract
Cadmium sulfide nanoparticles were synthesized in situ in polymer matrix Dextran-g-Polyacrylamide at several pH values. In the present work, it is reported the effect of concentration and pH value on Cadmium sulfide nanoparticle size. The CdS sols were characterized using the Dynamic light scattering, UV–Visible spectroscopy, and Transmission electron microscopy. The absorption spectra of synthesized CdS nanoparticles revealed the blue shift in excitonic transitions with respect to CdS bulk material, clearly confirming the formation of nanoparticles. The decreasing of the pH value caused the formation of larger particles and in general more stable CdS sols.
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