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Electrochromic properties of W1-x-yNixTiyO3 thin films made by DC magnetron sputtering
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics. Ctr Invest & Estudios Avanzados IPN, Dept Nanociencias & Nanotecnol, AP 14-740, Mexico City 07360, DF, Mexico..
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.
2016 (English)In: Thin Solid Films, ISSN 0040-6090, E-ISSN 1879-2731, Vol. 615, 292-299 p.Article in journal (Refereed) Published
Abstract [en]

We investigated the electrochromic properties of tungsten-nickel-titanium oxide (W1-x-yNixTiyO3) thin films. Special emphasis was put on W0.83-xNixTi0.17O3 since this composition gave the highest electrochemical durability. The films were deposited onto indium-tin oxide coated glass by reactive DC magnetron sputtering, and cyclic voltammetry as well as optical transmittance measurements were performed in an electrolyte of 1 M LiClO4 in propylene carbonate. The potential window was chosen so as to cause rapid degradation of the samples. Elemental compositions were obtained by Rutherford backscattering spectroscopy and structural information by X-ray diffraction. We verified that the titanium additive improved the electrochemical durability of tungsten-oxide-based films and also documented that a further addition of nickel was unable to enhance the EC performance to any significant degree.

Place, publisher, year, edition, pages
2016. Vol. 615, 292-299 p.
Keyword [en]
Electrochromism, Thin films, Tungsten trioxide, Sputter deposition, Electrochemical durability
National Category
Physical Sciences Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-303253DOI: 10.1016/j.tsf.2016.06.058ISI: 000381939700046OAI: oai:DiVA.org:uu-303253DiVA: diva2:971508
Funder
EU, FP7, Seventh Framework Programme, 267234
Available from: 2016-09-16 Created: 2016-09-15 Last updated: 2016-09-19Bibliographically approved

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Morales-Luna, MichaelArvizu, Miguel A.Granqvist, Claes-GöranNiklasson, Gunnar A.
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