Spray deposited titanium oxide thin films as passive counter electrodes

Titanium dioxide (TiO 2) thin films were deposited from methanolic solution onto fluorine doped tin oxide coated conducting glass substrates by spray pyrolysis technique. The electrochemical properties of TiO 2 thin films were investigated using cyclic voltammetry, chronoamperometry, chronocoulometr...

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Bibliographic Details
Published in:Electrochimica acta 2007-02, Vol.52 (9), p.3114-3120
Main Authors: Shinde, P.S., Deshmukh, H.P., Mujawar, S.H., Inamdar, A.I., Patil, P.S.
Format: Article
Language:English
Subjects:
Chemistry
Electrochemistry
Electrochromism
Exact sciences and technology
General and physical chemistry
Miscellaneous (electroosmosis, electrophoresis, electrochromism, electrocrystallization, ...)
Optical properties
Spray pyrolysis technique
Thin films
Titanium oxide
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Summary:Titanium dioxide (TiO 2) thin films were deposited from methanolic solution onto fluorine doped tin oxide coated conducting glass substrates by spray pyrolysis technique. The electrochemical properties of TiO 2 thin films were investigated using cyclic voltammetry, chronoamperometry, chronocoulometry and iono-optical studies, in 0.1N H 2SO 4 electrolyte. Performance of the films deposited at three different substrate temperatures, viz. 350, 400 and 450 °C is discussed in view of their utilization in electrochromic devices, as counter electrode. The magnitude of charge storage capacity, Q/ t (4.75–6.13 × 10 −3 mC/(cm 2 nm)) and colouration efficiency (3.2–4.3 cm 2/mC) of TiO 2 rank these films among the promising counter electrodes in electrochromic devices.
ISSN:0013-4686
1873-3859
DOI:10.1016/j.electacta.2006.09.053