Structural and optical properties of Chemical bath deposited Bi2S3 thin films
نویسندگان
چکیده
Thin films of Bi2S3 of different thickness have been prepared on glass substrates in various temperatures by Chemical bath deposition. The thickness of the deposited film is measured by employing quartz crystal monitor method. The micro structural parameters such as grain size, dislocation density and strain have been evaluated. The lattice parameter values ‘a’ and ‘c’ have been determined and is found to be 4.101Å and 6.68 Å respectively. The optical properties have been studied. The variation of band gap values of Bi2S3 thin film samples were found to be in the range of 2.16 to 2.45 eV
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