In this work, cadmium sulfide (CdS) nanoparticles were prepared by pulsed laser
ablation of CdS targets in distilled water (DW), which served as the solvent and
reducing agent. Using 300 pulses and a repetition frequency of 6 Hz, an Nd:YAG
laser (1064 nm, 480 mJ) was used. The x-ray diffraction (XRD), atomic force
microscopy (AFM), field-emission scanning electron microscopy (FE-SEM), and UVVIS spectroscopy were used to introduce and characterize the prepared samples.
Plasmonic absorption was observed with discrete peaks using UV-Visible
spectroscopy. The cubic structure of the CdS phase was validated using XRD patterns.
Clusters ranging in size from 34.2 to 90.7 nm were formed with spherical particle
dispersion, as shown by FE-SEM. The topography was studied by AFM showing a
root mean square surface roughness of 2.833 nm, an average roughness of 2.354 nm,
and an average diameter of 11.29 nm. These results validate the successful synthesis
of materials for use in a variety of applied physics applications.
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