Journal
JOURNAL OF APPLIED ELECTROCHEMISTRY
Volume 41, Issue 4, Pages 397-403Publisher
SPRINGER
DOI: 10.1007/s10800-010-0249-9
Keywords
Composite WO3-Nb2O5 thin films; Spray pyrolysis technique; Scanning electron microscopy (SEM); X-ray diffraction (XRD)
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Funding
- CSIR, New Delhi
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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-Nb2O(5) thin films were further studied using cyclic-voltammetry, chronoamperometry, chronocoulometry, and electrochemical Impedance spectroscopy.
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