Investigation of the structural, optical and gas sensing properties of PANI coated Cu–ZnS microsphere composite حسب Hemalatha Parangusan (6556133)

"…The emission peaks obtained in photoluminescence spectra confirm the presence of surface defects in the prepared composite. The UV-DRS study shows that the bandgap of the samples is found to decrease for the PANI/Cu–ZnS composite compared to the pure Cu–ZnS sample. …"