Journal
RSC ADVANCES
Volume 4, Issue 21, Pages 10990-10996Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra46267f
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Funding
- council of Young Research Club, Kashan Branch [159271/19]
- TEM section, SAIF, NEHU, Shillong, Meghalaya, India
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In the current study, CdS/ZnS core-shell nanoparticles were successfully synthesized from CdSO4 center dot 8H(2)O and Zn(NO3)(2)center dot 6H(2)O starting reagents in the presence of ultrasonic irradiation. The effects of preparation parameters such as ultrasonic power, irradiation time, and precursor concentration on the morphology of the CdS/ZnS core-shell nanoparticles and the removal of heavy metals (Hg+2, Pb+2) were studied by SEM and batch adsorption studies. The as-synthesized products were characterized by powder X-ray diffraction (XRD), transmission electron microscopy (TEM), high-resolution field-emission transmission electron microscopy (HRTEM), photoluminescence spectroscopy (PL), scanning electronic microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and ultraviolet-visible (UV-Vis) spectroscopy.
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