Effects of Added Metallic Elements in Ag-Alloys on Properties of Indium-Tin-Oxide/Ag-Alloy/Indium-Tin-Oxide Transparent Conductive Multilayer System

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We studied on the effects of added metallic elements in Ag-alloy layers in the indium–tin-oxide (ITO)/Ag-alloy/ITO transparent conductive multilayer system. The sheet resistance and the transmittance of the multilayer system were estimated from the resistivity and optical constants of Ag-alloy. From the estimation, the most promising Ag-alloys were selected for the transparent conductive multilayer system. The correlation between thickness of the Ag-alloy layer and electrical and optical properties of the multilayer system has been investigated. The effect of added metallic elements in Ag-alloys was also studied from the point of durability. After a humidity test and a heat treatment test, we examined the changes in the sheet resistance and the transmittance as well as the density of white dots in the ITO/Ag-alloy/ITO multilayer. The experimental results confirm that the added metallic elements in Ag-alloys improve the durability of the multilayer system: Pd–Cu and Pd enhance the thermal stability and Au improves the durability in a humid environment.
Publisher
Japan Society of Applied Physics
Issue Date
2008-08-08
Keywords

transparent conductive; multilayer; Ag; Ag-alloy; ITO; degradation

Citation

Japanese Journal of Applied Physics, Vol.47, No.8, pp.6337–6342

ISSN
0021-4922
DOI
10.1143/JJAP.47.6337
URI
http://hdl.handle.net/10203/25070
Appears in Collection
MS-Journal Papers(저널논문)

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