Eur. Phys. J. Appl. Phys.
Volume 69, Number 3, March 2015
|Number of page(s)||6|
|Published online||18 March 2015|
Sol-gel processing of highly transparent conducting Cd2SnO4 thin films
King Khalid University, Faculty of Science, Department of Chemistry, 61413
Abha, Saudi Arabia
2 Photovoltaic Laboratory Research and Technology Center of Energy Borj-Cedria Science and Technology Park, BP 95, 2050 Hammem-Lif, Tunisia
3 Institut Supérieur des Sciences Appliquées et Technologie, Mahdia, Université de Monastir, 5019 Monastir, Tunisia
Revised: 29 January 2015
Accepted: 9 February 2015
Published online: 18 March 2015
Polycrystalline thin films of cadmium stannate (Cd2SnO4) (CTO) were coated on corning glass substrates by sol-gel method. The films were fired at different temperatures and annealed in inert ambient (N2) at 680°C. The structural, optical, and electrical properties of dip-coated cadmium-tin-oxide (CTO) thin films are discussed. CTO layers with a Hall mobility of 30 cm2/Vs and a carrier density of 1.4 × 1021 cm−3 resulting in a resistivity of 5 × 10−4 Ω cm have been deposited. Dip-coating conditions must be carefully monitored to produce consistent films. The high electronic conductivity is due to two effective mechanisms of n-type doping: (i) stoichiometric deviation and (ii) self-doping.
© EDP Sciences, 2015
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