Electrochromic device including a transparent conductive oxide layer and a bus bar and a process of forming the same
First Claim
1. An electrochromic device comprising:
- a substrate; and
a first bus bar over the substrate, wherein the first bus bar includes silver and has;
a resistivity of at most 8.0×
10−
6 Ω
*cm.
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Abstract
An electrochromic device can include a substrate, a transparent conductive oxide layer over the substrate, and a bus bar over the substrate. The bus bar can include silver and has a resistivity of at most 6.7×10−6 Ω*cm, an average adhesion strength to SiO2 of at least 3N based on 20 measurements, as determined by Method A of ASTM B905-00 (Reapproved 2010), or a classification of at least 4, as determined by Method B of ASTM B905-00 (Reapproved 2010). In another aspect a process of forming an electrochromic device can include forming a transparent conductive oxide layer over a substrate; forming a bus bar precursor over the substrate, wherein the precursor includes silver; and firing the precursor to form a bus bar. Firing can be performed such that the first bus bar is at a temperature of at least 390° C.
67 Citations
20 Claims
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1. An electrochromic device comprising:
-
a substrate; and a first bus bar over the substrate, wherein the first bus bar includes silver and has; a resistivity of at most 8.0×
10−
6 Ω
*cm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. An electrochromic device comprising:
-
a substrate; and a first bus bar over the substrate, wherein the first bus bar includes silver and has; an average adhesion strength to SiO2 of at least 3N based on 20 measurements, as determined by Method A of ASTM B905-00 (Reapproved
2010). - View Dependent Claims (13, 14, 15)
-
-
16. An electrochromic device comprising:
- a substrate; and
a first bus bar over the substrate, wherein the first bus bar includes silver and has an average adhesion strength to SiO2 of at least 3 based on 20 measurements, as determined by Method B of ASTM B905-00 (Reapproved
2010). - View Dependent Claims (17, 18, 19, 20)
- a substrate; and
Specification