SnS thin films with different thicknesses have been deposited on glass substrates at a substrate temperature of 300 °C.

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We study the structural, electrical and optical properties of silver selenide thin films prepared by reactive evaporation. From the Hall effect study, at room temperature we find a mobility of 2000 cm 2 V −1 s −1 and a carrier concentration of 10 18 cm −3 . The thermoelectric power is measured from room temperature up to 200 • C. X-ray diffraction indicates that the as-prepared films are polycrystalline in nature. The composition and morphology are determined using energy dispersive x-ray analysis and scanning electron microscopy (SEM). The optical bandgap, which is direct-allowed, is 1.58 eV.