Abstract
Lot of research is being carried out to develop solar cells which are economical with higher efficiencies. Many nanomaterials have been explored to tackle this issue. In this paper we have been used pure ZnS and cobalt doped ZnS nanoparticles which were hydrothermally synthesized from single source precursors using TX-100 as surfactant. The prepared precursors and samples were characterized using FTIR, TGA, XRD and UV-Visible. The crystallite size of the nanoparticles calculated from the XRD analysis have been found in the range of 20-25 nm. UV-Visible analysis at room temperature shows absorption peaks in the UV-region. The optical bandgap calculated using Tauc's plot from the absorption data lies in the region of 3.2-3.5 eV. This study helps in understanding novel performance of Co-ZnS in comparison to pure ZnS nanoparticles for its use in solar cell applications due to increase in photocatalytic activity in visible region.