Optical and electrochemical properties of CeO2 and CeO2-TiO2 coatings

Urska Lavrencic Stangar; Boris Orel; I. Grabec; B. Ogorvec

doi:10.1117/12.130553

25 November 1992 Optical and electrochemical properties of CeO₂ and CeO₂-TiO₂ coatings

Urska Lavrencic Stangar, Boris Orel, I. Grabec, B. Ogorvec

Proceedings Volume 1728, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Chromogenics for Smart Windows; (1992) https://doi.org/10.1117/12.130553
Event: Optical Materials Technology for Energy Efficiency and Solar Energy, 1992, Toulouse-Labege, France

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 (T_s) 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.

Citation Download Citation

Urska Lavrencic Stangar, Boris Orel, I. Grabec, and B. Ogorvec "Optical and electrochemical properties of CeO₂ and CeO₂-TiO₂ coatings", Proc. SPIE 1728, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Chromogenics for Smart Windows, (25 November 1992); https://doi.org/10.1117/12.130553

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