Characterization of CdS thin films grown by chemical bath deposition using four different cadmium sources

    Authors

    H. Khallaf; I. O. Oladeji; G. Y. Chai;L. Chow

    Comments

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    Abbreviated Journal Title

    Thin Solid Films

    Keywords

    CdS; thin films; chemical bath deposition; SOLAR-CELLS; SULFIDE; OPTIMIZATION; TEMPERATURE; EFFICIENCY; Materials Science, Multidisciplinary; Materials Science, Coatings &; Films; Physics, Applied; Physics, Condensed Matter

    Abstract

    A comprehensive study of the effect of cadmium sources on chemical bath deposited cadmium sulfide thin films is reported. Four different cadmium sources; cadmium sulfate, cadmium chloride, cadmium iodide, and cadmium acetate have been used. The effect of cadmium sources on film optical/electrical properties as well as film thickness, composition, crystal structure, and surface morphology was studied. Film growth rate and band gap were found to be sensitive to the Cd source used. Films were found to be highly stoichiometric when cadmium chloride and cadmium iodide were used. The lowest resistivity and highest mobility and band gap obtained were in the case of cadmium sulfate. All films were found to be cubic, regardless of the Cd salt used. (c) 2008 Elsevier B.V. All rights reserved.

    Journal Title

    Thin Solid Films

    Volume

    516

    Issue/Number

    21

    Publication Date

    1-1-2008

    Document Type

    Article

    Language

    English

    First Page

    7306

    Last Page

    7312

    WOS Identifier

    WOS:000259727900007

    ISSN

    0040-6090

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