Chemistry Department, D. D. U. Gorakhpur University, Gorakhpur-273 009, India Manuscript received 22 October 2002 Studies on photoelectrochemical conversion based on polycrystalline semiconducting materials prepared using electrochemical co-deposition techniques are briefly reviewed. Systems based on metal chalcogenides and mixed metal chalcogenides have been dealt with. Electrochemical studies on photoelectroactive materials prepared using mixed solvents and photoelectroconvertibility studies

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... n some multiple band gap composite semiconducting systems are also presented.