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Thermochromic Fenestration Based on VO2: Finally a Technology of Practical Interest?
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: gni26208
2016 (English)In: Society Of Vacuum Coaters 59th Annual Technical Conference Proceedings, 2016 / [ed] Lampert, J Marken, K, 2016, p. 62-69Conference paper, Published paper (Refereed)
Abstract [en]

Vanadium-dioxide-based thermochromic thin films and nanoparticle composites can have significant transmittance for visible light, Tlum, while they are able to transmit more near-infrared solar radiation at τ < τc than at τ > τc, where τ denotes temperature and τc ≈ 68 °C. It has been understood for many years that these properties are of principle interest for energy efficient fenestration, but the technology has been slow to mature. The present paper summarizes the state of the art of VO2-based thermochromics and points at the many advances that have been made during recent years. Specifically, the paper discusses how to employ doping to adjust τc to room temperature and to increase Tlum, how to use nano materials to enhance the solar energy transmittance modulation and Tlum, and how to prepare nanoparticle composites by sputtering. A brief discussion is given on thermochromic light scattering, which is a recently discovered phenomenon.

Place, publisher, year, edition, pages
2016. p. 62-69
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:uu:diva-335841DOI: 10.14332/svc16.proc.0007ISI: 000405161400009OAI: oai:DiVA.org:uu-335841DiVA, id: diva2:1166190
Conference
Society Of Vacuum Coaters 59th Annual Technical Conference 2016
Available from: 2017-12-14 Created: 2017-12-14 Last updated: 2017-12-14Bibliographically approved

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Granqvist, Claes GöranJi, YuxiaNiklasson, G A

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