Synthesis and Some Properties of Metal Organic Chemical Vapour Deposited Lithium Chromium Oxide Thin Films

Gabriel Osaze Egharevba, Marcus Adebola Eleruja, Oladipupo Osasona, Olumide Oluwole Akinwunmi, Bolutife Olofinjana, Chris Jeynes, Ezekiel Oladele Ajayi



Thin Films of Lithium Chromium Oxide were deposited on soda lime glass substrates at a temperature of 420 °C by the pyrolysis of a mixture of Lithium Hydroxide and Chromium Acetylacetonate (1:2), using Metal Organic Chemical Vapour Deposition technique. The prepared thin films were characterized by using Rutherford Backscattering (RBS), X-Ray Diffraction (XRD) and Ultraviolet-Visible Spectrophotometry. Using RBS the ratio of Li:Cr:O in the prepared thin films was found to be 36:18:46, leading to a stoichiometry of Li2CrO2+? (? = 0.5). A direct allowed bandgap of 3.58 eV was obtained from the UV-Visible spectrum, with a blank soda lime glass substrate in the path of the reference beam.

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Journal of Materials Science Research   ISSN 1927-0585 (Print)   ISSN 1927-0593 (Online)

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