PEG- and PVP-assisted wet-chemical synthesis of ZnS nanocrystals via hydrothermal and co-precipitation methods for route-dependent structural and bandgap tuning

Rao Uzair Ahmad, Nasir Javed, Falak Sher

Zinc sulphide (ZnS) is a non-toxic, wide-bandgap II-VI semiconductor with well-established optoelectronic properties. This work presents a systematic, concentration-dependent compa…