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Electrochromic foil-based devices: Optical transmittance and modulation range, effect of ultravioled irradiation, and quality assessment by 1/f current noise
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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2008 (English)In: Thin Solid Films, ISSN 0040-6090, E-ISSN 1879-2731, Vol. 516, no 17, 5921-5926 p.Article in journal (Refereed) Published
Abstract [en]

We introduce electrochromic (EC) technology for modulating the transmittance of visible light and solar radiation in window apertures, with focus on recent work on foil-type devices embodying sputter deposited WO3 and NiO films joined by a polymer electrolyte. The purpose of this paper is to present a number of new and preliminary results showing that (i) double-sided antireflection coatings based on dip coating can enhance the transmittance significantly, (ii) tandem foils can yield a ratio between bleached-state and colored-state transmittance exceeding fifty, (iii) solar irradiance onto the EC device can enhance its charge insertion dynamics and thereby its optical modulation, and (iv) electromagnetic noise spectroscopy may serve as quality assessment of EC devices.

Place, publisher, year, edition, pages
2008. Vol. 516, no 17, 5921-5926 p.
Keyword [en]
Electrochromism, Smart window, Thin film, Optical properties, Tungsten oxide, Nickel oxide, Sputtering, Noise spectroscopy
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-14573DOI: 10.1016/j.tsf.2007.10.074ISI: 000257389100037OAI: oai:DiVA.org:uu-14573DiVA: diva2:42344
Note

Conference Information: 5th International Symposium on Transparent Oxide Thin Films for Electronics and Optics Kanagawa, JAPAN, MAY 21-22, 2007

Available from: 2008-01-30 Created: 2008-01-30 Last updated: 2017-12-11Bibliographically approved

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Granqvist, Claes GöranGreen, SaraNiklasson, Gunnar ARoos, ArneTopalian, ZarehGeoren, Peter

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