METHOD FOR PREPARING NANOCRYSTALLINE TRANSPARENT FILMS OF TUNGSTEN OXIDE
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United States of America Patent
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Issued Date -
Dec 31, 2009
app pub date -
Feb 17, 2006
filing date -
Feb 17, 2006
priority date (Note) -
Abandoned
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Abstract
The object of the present invention is the preparation, through a sol-gel method, of a tungsten oxide (WO.sub.3)-based colloidal paste that allows providing transparent films on conductive glasses in an easy and cost-effective manner. Particularly, the present invention relates to a method for preparing a substrate coated with at least one thick layer of tungsten oxide, comprising at least one step of coating said substrate with a colloidal solution of tungsten oxide obtained with the sol-gel method, said colloidal solution being additioned with a thickener and a surfactant.
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