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1 Materials Science Poland

1 2010

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Characterization of electrochemically deposited thin Mo-O-C-Se film layers

Dukstiene N., Tatariskinaite L., Andrulevicius M.

Materials Science Poland

2010

Vol. 28, No. 1

93--103

The paper reports on the composition, morphology and optical properties of thin Mo-O-C-Se film electrodeposited onto SnO2-glass substrate (R = 292 ?/cm2). The composition of films was estimated based on X-ray photoelectron spectroscopy and Fourier transform infrared spectral analysis. Structural elements similar to molybdenum oxides and/or hydroxides, MoSe2, Se and SeO2 were identified on the surface and in the bulk of the electrodeposits. The studies of surface morphology by scanning electron microscopy and atomic force microscopy showed long-sized wires distributed over all the surface. The optical absorption studies revealed the films to be highly absorptive (104? cm-1) with a direct band transition and the bang gap energy of 1.75 eV.