The photoelectrochemical behavior of chemically deposited thin film in aqueous solution is studied. This paper also describes the dependence of the deposition of bismuth chalcogenides on the p H of the solution. The electrical resistance, mobility, and carrier concentration of bismuth chalcogenides have been measured. Optical absorption spectra reveal the bandedges which are 1.47 and 0.35 eV for and , respectively. The activation energy of electrical conduction of obtained is ∼0.9 eV.
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Bhattacharya et al. (1982) studied this question.