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Electrochromism in composite WO3–Nb2O5 thin films synthesized by spray pyrolysis technique

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Abstract

Composite WO3–Nb2O5 thin films were deposited on the glass and fluorine-doped tin oxide (FTO)-coated glass substrates using simple and inexpensive spray pyrolysis technique. The process parameters, like nozzle-to-substrate distance, spray rate, concentration of sprayed solution, etc., were optimized to good quality films. The films were characterized for the structural, morphological, optical, and electrochromic properties. Structural and morphological characterizations of the films were carried out using scanning electron microscopy and X-ray diffraction techniques. Electrochemical properties of the Composite WO3–Nb2O5 thin films were further studied using cyclic-voltammetry, chronoamperometry, chronocoulometry, and electrochemical Impedance spectroscopy.

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Acknowledgments

Authors are very much thankful to the CSIR, New Delhi for the financial support extended through Senior Research Fellowship (SRF).

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Authors and Affiliations

  1. Thin Film Materials Laboratory, Department of Physics, Shivaji University, Kolhapur, 416 004, India

    S. H. Mujawar, A. I. Inamdar & P. S. Patil

  2. Chemistry Division, Bhabha Atomic Research Centre, Bombay, India

    C. A. Betty

  3. Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, 1000, Ljubljana, Slovenia

    R. Cerc Korošec

Authors
  1. S. H. Mujawar
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  2. A. I. Inamdar
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  3. C. A. Betty
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  4. R. Cerc Korošec
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  5. P. S. Patil
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Corresponding author

Correspondence to P. S. Patil.

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Mujawar, S.H., Inamdar, A.I., Betty, C.A. et al. Electrochromism in composite WO3–Nb2O5 thin films synthesized by spray pyrolysis technique. J Appl Electrochem 41, 397–403 (2011). https://doi.org/10.1007/s10800-010-0249-9

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  • DOI: https://doi.org/10.1007/s10800-010-0249-9

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