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Au-Based Transparent Conductors for Window Applications: Effect of Substrate Material
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.ORCID iD: 0000-0002-8279-5163
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2010 (English)In: Advances in Science and Technology, ISSN 1662-0356, Vol. 75, 25-30 p.Article in journal (Refereed) Published
Abstract [en]

Thin films of Au were made by sputter deposition onto glass substrates with and without transparent and electrically conducting layers of SnO2:In. The Au films were up to ~11 nm in thickness and covered the range for thin film growth from discrete islands, via large scale coalescence and formation of a meandering conducting network, to the formation of a more or less “holey” film. Scanning electron microscopy and atomic force microscopy showed that the SnO2:In films were considerably rougher than the glass itself. This roughness influenced the Au film formation so that large scale coalescence set in at a somewhat larger thickness for films on SnO2:In than on glass. Measurements of spectral optical transmittance and electrical resistance could be reconciled with impeded Au film formation on the SnO2:In layer, leading to pronounced “plateaus” in the near infrared optical properties for Au films on SnO2:In and an accompanying change from such two-layer films having a lower resistance than the single gold film at thicknesses below large scale coalescence to the opposite behavior for larger film thicknesses.

Place, publisher, year, edition, pages
2010. Vol. 75, 25-30 p.
Keyword [en]
Electrical Resistance, Gold Film, Indium Doped Tin Oxide, Large Scale Coalescence, Optical Property, Sputter Deposition, Thin Film Growth, Transparent Conductor
National Category
Physical Sciences Engineering and Technology
Research subject
Engineering Science with specialization in Solid State Physics
Identifiers
URN: urn:nbn:se:uu:diva-139779DOI: 10.4028/www.scientific.net/AST.75.25OAI: oai:DiVA.org:uu-139779DiVA: diva2:382036
Note

5th FORUM ON NEW MATERIALS PART D

Available from: 2010-12-29 Created: 2010-12-29 Last updated: 2015-06-24Bibliographically approved

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Lansåker, Pia C.Gunnarsson, KlasRoos, ArneNiklasson, Gunnar A.Granqvist, Claes-Göran

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