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Using optical methods to reveal structural features in porous nanocomposite films of the tin dioxide-silicon dioxide system

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Abstract

Nanocomposite films of the tin dioxide-silicon dioxide system have been obtained by the sol-gel method using various solvents (ethanol, butanol) and their optical properties have been studied in the 300–700 nm wavelength range. The obtained data were used to calculate the Uhrbach energy parameters, slope parameters, and band-gap energies of the films. The results are interpreted within the framework of the model of fractal nanocluster growth and evolution during the sol-gel process. The employed optical method can be effectively used to study the optical properties of nanocomposites for optimizing their production technology.

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Authors and Affiliations

  1. St. Petersburg State Electrotechnical University, St. Petersburg, 197376, Russia

    A. A. Ponomareva, V. A. Moshnikov & G. Suchaneck

  2. Institut für Festkörperelektronik, Technische Universität Dresden, 01062, Dresden, Germany

    A. A. Ponomareva, V. A. Moshnikov & G. Suchaneck

Authors
  1. A. A. Ponomareva
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  2. V. A. Moshnikov
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  3. G. Suchaneck
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Correspondence to A. A. Ponomareva.

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Original Russian Text © A.A. Ponomareva, V.A. Moshnikov, G. Suchaneck, 2011, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2011, Vol. 37, No. 19, pp. 8–15.

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Ponomareva, A.A., Moshnikov, V.A. & Suchaneck, G. Using optical methods to reveal structural features in porous nanocomposite films of the tin dioxide-silicon dioxide system. Tech. Phys. Lett. 37, 892–895 (2011). https://doi.org/10.1134/S1063785011100105

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  • DOI: https://doi.org/10.1134/S1063785011100105

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