Abstract

For pt.I see ibid., vol.19, p.1299 (1986). Electrochemical studies (Mott-Schottky plot and J-V characteristics) of an electrodeposited CuInSe2 film in contact with aqueous S2-/S22- redox electrolyte have been carried out. The material is n-type and the charge transfer at the interface occurs via the valence band involving the surface states and deep traps also. The values of Vfb, ND, W, Ec and Ev have been evaluated. Photo-electrochemical solar cells have been fabricated using the above junction and studied for films with different stoichiometry.

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