Abstract
Tin Chalcogenide alloys and their solid solutions have been investigated largely in last few years because by changing the composition the band gap can be tailored and then their physical properties as well. In present study SnTe0.5Se0.5 alloy were prepared by direct reaction of tin, tellurium, and selenium in elemental form. SnTe0.5Se0.5 composite thick films were obtained on glass substrate by employing cost efficient screen-printing technique. Structural, morphological / compositional, optical and photoconductive properties of thick film of the solid solution of SnTe0.5Se0.5 alloy were investigated. Structure and lattice constants of film were studied from x-ray diffraction. Surface morphology and composition of the film was studied through SEM/EDAX. Energy band gap of the film were investigated by diffuse reflectance spectra. Photoconductive and photo-sensing properties of the film were studied as a function of wavelength and intensity respectively.
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