HEAT TREATABLE COATED ARTICLE WITH COPPER-DOPED ZIRCONIUM BASED LAYER(S) IN COATING
In certain example embodiments, a coated article includes a copper-doped zirconium based layer before heat treatment (HT). The coated article is heat treated sufficiently to cause the copper-doped zirconium oxide and/or nitride based layer to result in a copper-doped zirconium oxide based layer that is scratch resistant and/or chemically durable. The doping of the layer with copper has been found to improve scratch resistance.
1 . A method of making a heat treated coated article, the method comprising:
having a coated article including a coating supported by a glass substrate, the coating comprising a copper-doped layer comprising an oxide and/or nitride of zirconium, and wherein the copper-doped layer is substantially free of tungsten and zinc; and
thermally tempering the coated article, including the glass substrate and the copper-doped layer comprising an oxide and/or nitride of zirconium, so that after the tempering a layer comprising copper-doped zirconium oxide is provided on the glass substrate.
2 . The method of claim 1 , wherein there is more zirconium than copper in each of (i) the copper-doped layer comprising an oxide and/or nitride of zirconium, and (ii) the layer comprising copper-doped zirconium oxide.
3 . The method of claim 1 , wherein a metal content of the layer comprising copper-doped zirconium oxide is from about 2-40% copper.
4 . The method of claim 1 , wherein a metal content of the layer comprising copper-doped zirconium oxide is from about 5-15% copper.
5 . The method of claim 1 , wherein a metal content of the layer comprising copper-doped zirconium oxide is from about 51-99% zirconium.
6 . The method of claim 1 , wherein a metal content of the layer comprising copper-doped zirconium oxide is from about 70-95% zirconium.
7 . The method of claim 1 , wherein the layer comprising copper-doped zirconium oxide includes Cu-doped Zr x O y , where y/x is from about 1.2 to 2.5.
8 . The method of claim 7 , wherein y/x is from about 1.4 to 2.1.
9 . The method of claim 1 , wherein the layer comprising copper-doped zirconium oxide further comprises fluorine and/or carbon.
10 . The method of claim 1 , wherein prior to said tempering the copper-doped layer comprising an oxide and/or nitride of zirconium comprises copper-doped zirconium oxide.
11 . The method of claim 1 , wherein prior to said tempering the copper-doped layer comprising an oxide and/or nitride of zirconium comprises copper-doped zirconium oxynitride.
12 . The method of claim 1 , wherein prior to said tempering the copper-doped layer comprising an oxide and/or nitride of zirconium comprises copper-doped zirconium nitride.
13 . The method of claim 1 , wherein prior to the tempering, the coating further comprises a layer comprising diamond-like carbon located on the glass substrate over at least the copper-doped layer comprising an oxide and/or nitride of zirconium.
14 . The method of claim 1 , wherein prior to and after the tempering, the coating further comprises a dielectric layer between the glass substrate and the copper-doped layer comprising an oxide and/or nitride of zirconium.
15 . The method of claim 1 , wherein the layer comprising copper-doped zirconium oxide comprises a nanocrystalline cubic lattice structure and/or a tetragonal lattice structure.
16 . The method of claim 1 , wherein the layer comprising copper-doped zirconium oxide is an outermost layer of the coating following tempering.
17 . The method of claim 1 , wherein the tempered coated article has a visible transmission of at least 50%.
18 . The method of claim 1 , wherein the copper-doped layer is free of tungsten and zinc.
19 . The method of claim 1 , wherein the copper-doped layer does not contain any metal other than Cu and Zr.
20 . A method of making a heat treated coated article, the method comprising:
having a coated article including a coating supported by a glass substrate, the coating comprising a copper-doped layer comprising an oxide and/or nitride of zirconium; and
heat treating the coated article, including the glass substrate and the copper-doped layer comprising an oxide and/or nitride of zirconium, so that after the heat treating a layer comprising copper-doped zirconium oxide is provided on the glass substrate, and wherein a metal portion of the layer comprising copper-doped zirconium oxide consists essentially of copper and zirconium.
21 . The method of claim 20 , wherein there is less copper than zirconium in at least one of (i) the copper-doped layer comprising an oxide and/or nitride of zirconium, and (ii) the layer comprising copper-doped zirconium oxide.
22 . The method of claim 20 , wherein a metal content of the layer comprising copper-doped zirconium oxide is from about 5-30% copper.
23 . The method of claim 20 , wherein a metal content of the layer comprising copper-doped zirconium oxide is from about 70-95% zirconium.
24 . A coated article comprising:
a glass substrate; and
a layer comprising copper-doped zirconium oxide provided as an outermost layer of a coating provided on the glass substrate, and wherein a metal portion of the layer comprising copper-doped zirconium oxide consists essentially of copper and zirconium.
25 . The coated article of claim 24 , wherein the coating consists only of the layer comprising copper-doped zirconium oxide.
26 . The coated article of claim 24 , wherein the glass substrate is thermally tempered.
27 . The coated article of claim 24 , wherein a layer comprising silicon oxide and/or silicon nitride is provided between the glass substrate and the layer comprising copper-doped zirconium oxide.
28 . The coated article of claim 24 , wherein the coated article has a visible transmission of at least about 50%.
29 . A method of making a heat treated coated article, the method comprising:
having a coated article including a coating supported by a glass substrate, the coating comprising a layer comprising copper that directly contacts a layer comprising an oxide and/or nitride of zirconium; and
thermally tempering the coated article, including the glass substrate and the layer comprising copper and the layer comprising an oxide and/or nitride of zirconium, so that migration occurs between the layers during said tempering and after the tempering a layer comprising copper-doped zirconium oxide is provided on the glass substrate.