Preparation of Ti/Cu Oxide Coating on Alumina by Sol-Gel Method

Ke Zheng Sang; Lin Liu; De Jun Zeng; Zhang Zeng Fan

doi:10.4028/www.scientific.net/MSF.620-622.457

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HomeMaterials Science ForumMaterials Science Forum Vols. 620-622Preparation of Ti/Cu Oxide Coating on Alumina by...

Preparation of Ti/Cu Oxide Coating on Alumina by Sol-Gel Method

Abstract:

Using TiCl4 and CuCl2 as precursors, the sols were prepared. The coatings of Ti/Cu oxide were formed on both glass and alumina substrates by dip-coating method. XRD results showed that the coatings could be composed of anatase TiO2, CuO and M6O type oxides. The M6O type oxide on glass substrate is in the form of Cu3Ti3O, however is Cu2Ti4O on alumina substrate. The formations of the CuO and M6O are related to the Cu:Ti ratio. A high Cu:Ti ratio corresponds to the CuO, whereas to the M6O. Also the sols were analyzed by infrared spectroscopy and the mechanism of the formation of the coatings was discussed in the paper.