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Chromogenics for Sustainable Energy: Some Advances in Thermochromics and Electrochromics
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.
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2010 (English)In: Advances in Science and Technology, ISSN 1662-0356, Vol. 75, 55-64 p.Article in journal (Refereed) Published
Abstract [en]

Chromogenic materials are able to change their optical properties in response to external stimuli such as temperature (in thermochromic materials) and electrical charge insertion (in electrochromic materials). Below we review some recent advances for these types of materials. Specifically we first discuss the limitations of thermochromic VO2 films for energy efficient fenestration and show from calculations that nanocomposites containing VO2 can have superior properties and display high luminous transmittance and large temperature-dependent solar transmittance modulation. Even better results may be found for nanoparticles of VO2:Mg. In the second part of the paper we survey some recent progress for electrochromic devices and show that W oxide films have increased coloration efficiency when some Ni oxide is added. We also present initial results for flexible electrochromic foils produced by roll-to-roll coating and continuous lamination.

Place, publisher, year, edition, pages
2010. Vol. 75, 55-64 p.
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Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-139777DOI: 10.4028/www.scientific.net/AST.75.55OAI: oai:DiVA.org:uu-139777DiVA: diva2:382033
Note

5th FORUM ON NEW MATERIALS PART D

Available from: 2010-12-29 Created: 2010-12-29 Last updated: 2016-04-18Bibliographically approved

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Granqvist, Claes-GöranGreen, SaraNiklasson, Gunnar A.Avendaño, Esteban

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