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

S. H. Mujawar, A. I. Inamdar, C. A. Betty, R. Cerc Korošec, P. S. Patil

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

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.

Original languageEnglish
Pages (from-to)397-403
Number of pages7
JournalJournal of Applied Electrochemistry
Volume41
Issue number4
DOIs
StatePublished - Apr 2011

Keywords

  • Composite WO-NbO thin films
  • Scanning electron microscopy (SEM)
  • Spray pyrolysis technique
  • X-ray diffraction (XRD)

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