Abstract

This study presents the fabrication of PbWO4 nanoparticles using PbO and WO3 of designed molar ratio as the starting materials by mechanical alloying in atmospheric conditions. The impact energy of the SPEX ball milling machine provided the energy difference to form the PbWO4 through the mechanochemical process. The milled nanocrystals showcase single-phase product with particle sizes in the range of 3–10 nm. The UV–Vis-NIR spectra provide the direct band gap of 3.82 eV.

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