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US 9,309,147 B2Granted
Thermochromic glass comprising a coating of neutral-colour vanadium dioxide
AssigneeJustus-Liebig-Universitaet Giessen
InventorsBruno K. Meyer, Angelika Polity, Marc Konstantin Dietrich
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Abstract
The invention relates to a coating of glass with thermochromic vanadium dioxide. The coloration of the vanadium dioxide is shifted from bronze to neutral (colorless) by a doping with alkaline earth metals, for example Ca, Sr and Br. The thermochromic effect is maintained at the same time.
Claims10
A thermochromic layer, which comprises vanadium dioxide, characterised in that the vanadium dioxide comprises a doping with at least one alkaline earth metal, wherein the alkaline earth metal is selected from the group consisting of calcium, barium and strontium.
Dependencies are inferred from the claim text.