Measurement and Characterization of CeO sub(2)-TiO sub(2) Ion Storage Films for Electrochromic Devices

CeO sub(2)-TiO sub(2) sols and films were prepared by sol-gel method. The precursor sols consist of a mixture of cerium nitrate hexahydrate Ce(NO sub(3)) sub(3)[middot]6H sub(2) O, butyl titanate Ti(OC sub(4) H sub(9)) sub(4) and anhydrous ethanol CH sub(3) CH sub(2) OH. The films were deposited usi...

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Bibliographic Details
Published in:Key Engineering Materials 2017-01, Vol.726, p.276-281
Main Authors: Wu, Wei Shan, Liang, Xiao Ping, Wang, Jun, Chen, Peng, Zhang, Wei, Zhong, Kai, Sun, Wei Jian, Fan, Xiao Wei, Li, Jian Xin
Format: Article
Language:English
Subjects:
Cerium
Devices
Dip coatings
Electrochromism
Ion storage
Sols
Titanium
Titanium dioxide
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Summary:CeO sub(2)-TiO sub(2) sols and films were prepared by sol-gel method. The precursor sols consist of a mixture of cerium nitrate hexahydrate Ce(NO sub(3)) sub(3)[middot]6H sub(2) O, butyl titanate Ti(OC sub(4) H sub(9)) sub(4) and anhydrous ethanol CH sub(3) CH sub(2) OH. The films were deposited using the dip-coating technique and calcined at 310 [degrees]C in an oxygen atmosphere. The effects of the molar ratios of cerium to titanium(0.55:1, 0.70:1, 0.85:1, 1:1)on the microstructure and properties of (CeO sub(2)) sub(x)-TiO sub(2) films were investigated. The surface morphology, electrochemical performance and optical property were characterized by FE-SEM, cyclic voltammetry (CV) and UV-Visible spectrometer, respectively. The results show that the properties of the films are tightly related to cerium to titanium ratio. When the molar ratio of cerium to titanium super() is 0.85:1, the ion storage capacity value of CeO sub(2)-TiO sub(2) film is 19.99mC/cm super(2), whereas the pure TiO sub(2) film is 11.52mC/cm super(2). The stability tests and optical measurements confirm that the developed CeO sub(2)-TiO sub(2) films can be use as ion storage-counter eletrodes in electrochromic devices.
ISSN:1013-9826
1662-9795
DOI:10.4028/www.scientific.net/KEM.726.276