Microstructure and opto-electrical properties of SnO2:In2O3 alloys thin films prepared by ultrasonic spray . - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue International Journal of Nanoparticles Année : 2013

Microstructure and opto-electrical properties of SnO2:In2O3 alloys thin films prepared by ultrasonic spray .

Résumé

In this work, we study the effect of indium weight ratio in solution: R = [In/Sn] on the properties of SnO2:In2O3 thin films prepared by ultrasonic spray method at fixed temperature of 300°C. The used precursors are tin chloride dehydrate and indium trichloride dissolved in methanol. To prepare hybrid SnO2:In2O3 thin films with different concentrations, the ratio R is varied in the range of 10–95 wt%. The resulting films were characterised by X-ray diffraction, scanning electron microscopy analysis, UV-visible spectrophotometer and conductivity measurement. The XRD results indicate segregation between SnO2 and In2O3 phases in all films. The optical transmittance is in the range of [75–85]%. The conductivity values of pure oxides are very low [~10–3 (Ω.cm)–1] and it is increased with R ratio until a maximum value of 1.2 × 102 (Ω.cm)–1 obtained at R = 95 wt%. Consequently, the higher figure of merit (Fm = σ.T.d) is obtained at this later ratio.
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Dates et versions

hal-01299150 , version 1 (07-04-2016)

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F. Ynineb, A. Hafdallah, N. Attaf, M.S. Aida, Jamal Bougdira, et al.. Microstructure and opto-electrical properties of SnO2:In2O3 alloys thin films prepared by ultrasonic spray .. International Journal of Nanoparticles, 2013, 6 (2/3), ⟨10.1504/IJNP.2013.055001⟩. ⟨hal-01299150⟩
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