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

Sci Rep

Functional Organic Materials and Devices, Department of Chemical Engineering and Chemistry, Eindhoven, University of Technology, Den Dolech 2, 5600 MB Eindhoven, the Netherlands.

Published: July 2015

AI Article Synopsis

  • Researchers have developed electrically switchable broadband infrared reflectors made from polymer-stabilized cholesteric liquid crystals that are largely transparent in the visible light spectrum.
  • These reflectors can alter their reflection and transmission properties by applying voltage, enabling energy savings for heating, cooling, and lighting in buildings, particularly beneficial in locations like Madrid.
  • The technology also includes a variant that generates electricity, highlighting its potential use in automotive and building windows for temperature control and energy conservation.

Article Abstract

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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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4487232PMC
http://dx.doi.org/10.1038/srep11773DOI Listing

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