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Towards the smart windows - Progress in electrochromics

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Author

  • Claes Göran Granqvist
  • Andres Azens
  • Jan Isidorsson
  • Maryam Olsson
  • Lisen Kullman
  • Thomas Lidström
  • Gunnar Niklasson
  • C.G. Ribbing
  • Daniel Rönnow
  • Maria Strömme Matsson
  • Monika Veszelei
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Summary, in English

Electrochromic devices have the ability to produce reversible and persistent changes of their optical properties. The phenomenon is associated with joint ion and electron transport into/out of an electrochromic thin film, in most cases being a transition metal oxide. This paper outlines the various applications of such devices in smart windows suitable for energy-conscious architecture, in variable-reflectance mirrors, and in display devices. Critical materials issues and design concepts are discussed. The paper also covers two specific research topics: computed electronic structure of crystalline WO3 incorporating ionic species, showing how reflectance modulation emerges from a first-principles calculation; and Li+ dynamics in heavily disordered Ti oxide, illustrating how diffusion constants derived from impedance spectroscopy can be reconciled with the Anderson—Stuart model.

Publishing year

1997

Language

English

Pages

273-279

Publication/Series

Journal of Non-Crystalline Solids

Volume

218

Document type

Journal article

Publisher

Elsevier

Topic

  • Social Sciences Interdisciplinary
  • Other Engineering and Technologies not elsewhere specified

Status

Published

ISBN/ISSN/Other

  • ISSN: 0022-3093