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Proceedings Paper

Optical and electrochemical properties of CeO2 and CeO2-TiO2 coatings
Author(s): Urska Lavrencic Stangar; Boris Orel; I. Grabec; B. Ogorvec
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Paper Abstract

Thin solid films of CeO2 and mixed CeO2-TiO2 were prepared by the sol-gel route via the dip-coating technique. Particulate sols of ceria were used to make thin solid films with an efficiency of 0.024 micrometers /dipping while the efficiency of the CeO2-TiO2 coating process is about 0.05 micrometers /dipping. The solar transmission values (Ts) of both coatings are in the range 0.6 - 0.8 and depend on coating thickness. Cyclic voltammetric (CV) measurements show that the CeO2/LiOH system exhibits higher overall electrochemical reversibility when compared to the CeO2-TiO2/LiOH system. The CeO2/LiOH system is also less sensitive with regard to the coating thickness. Coulometric measurements show that CeO2 exhibits a larger storage capability which was determined as a function of the coating thickness.

Paper Details

Date Published: 25 November 1992
PDF: 12 pages
Proc. SPIE 1728, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Chromogenics for Smart Windows, (25 November 1992); doi: 10.1117/12.130553
Show Author Affiliations
Urska Lavrencic Stangar, Boris Kidric Institute of Chemistry (Slovenia)
Boris Orel, Boris Kidric Institute of Chemistry (Slovenia)
I. Grabec, Boris Kidric Institute of Chemistry (Slovenia)
B. Ogorvec, Boris Kidric Institute of Chemistry (Slovenia)


Published in SPIE Proceedings Vol. 1728:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Chromogenics for Smart Windows

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