Electrochromic properties of W1–x–yNixTiyO3 thin films made by DC magnetron sputtering

M. Morales-Luna, M. A. Arvizu, C. G. Granqvist, G. A. Niklasson

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)292-299
Number of pages8
JournalThin Solid Films
Volume615
DOIs
Publication statusPublished - 30 Sep 2016
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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