Abstract
Solution growth of silver sulphide thin films from an alkaline medium (pH 8 to 10) has been carried out using thiourea as a sulphur releasing agent. The temperature of the bath was varied between 8 and 55 °C. Ethylene diamine tetraacetic acid (EDTA) was used as a complexing agent. Improvement in film quality and electrical conductivity was observed for 8 °C bath temperature. The optical bandgap was estimated to be 0.72 eV. the Ag 2S films are photoactive in nature.
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