Effect of Lanthanum Doping on Corrosion Protection Properties of TiO2 Coatings

Su Ning Li; Jia Jun Fu

doi:10.4028/www.scientific.net/AMR.557-559.1830

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 557-559Effect of Lanthanum Doping on Corrosion Protection...

Effect of Lanthanum Doping on Corrosion Protection Properties of TiO₂ Coatings

Abstract:

A series of lanthanum ion-doped titanium dioxide coatings have been prepared on the surface of 304 stainless steel by using sol-gel and dip-coating technology. The corrosion protection properties of the coatings were investigated by electrochemical measurements. It is found that the photogenerated cathodic protection property of the TiO₂ coating is enhanced under illumination by doping with an appropriate amount of lanthanum ions. The results also indicate that the presence of lanthanum ions improves the corrosion protection property of the TiO₂ coating without the photo effect attributed to the self-healing properties of lanthanum ions.

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Periodical:

Advanced Materials Research (Volumes 557-559)

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1830-1833

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.557-559.1830

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Online since:

July 2012

Authors:

Su Ning Li, Jia Jun Fu

Keywords:

Corrosion Protection, Lanthanum Doping, TiO₂ Coatings

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