Electrically switchable polymer stabilised broadband infrared reflectors and their potential as smart windows for energy saving in buildings

Electrically switchable broadband infrared reflectors that are relatively transparent in the visible region have been fabricated using polymer stabilised cholesteric liquid crystals. The IR reflectors can change their reflection/transmission properties by applying a voltage in response to changes in...

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Bibliographic Details
Published in:Scientific reports Vol. 5; no. 1; p. 11773
Main Authors: Khandelwal, Hitesh, Loonen, Roel C. G. M., Hensen, Jan L. M., Debije, Michael G., Schenning, Albertus P. H. J.
Format: Journal Article
Language:English
Published: London Nature Publishing Group UK 01.07.2015
Nature Publishing Group
Subjects:
639/301
639/638
Buildings
Crystals
Energy
Energy conservation
Environmental changes
Environmental conditions
Humanities and Social Sciences
Motor vehicles
multidisciplinary
Polymers
Science
ISSN:2045-2322, 2045-2322
Online Access:Get full text
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Summary:Electrically switchable broadband infrared reflectors that are relatively transparent in the visible region have been fabricated using polymer stabilised cholesteric liquid crystals. The IR reflectors can change their reflection/transmission properties by applying a voltage in response to changes in environmental conditions. Simulations predict that a significant amount of energy can be saved on heating, cooling and lighting of buildings in places such as Madrid by using this switchable IR reflector. We have also fabricated a switchable IR reflector which can also generate electricity. These polymer based switchable IR reflectors are of high potential as windows of automobiles and buildings to control interior temperatures and save energy.
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ISSN:2045-2322
2045-2322
DOI:10.1038/srep11773