Paintable temperature-responsive cholesteric liquid crystal reflectors encapsulated on a single flexible polymer substrate

H. Khandelwal, Ellen van Heeswijk, Albert Schenning, Michael Debije (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

This work describes the fabrication of temperature responsive light reflectors deposited on flexible single substrates, the photonic cholesteric liquid crystal system encapsulated by a protective polymer layer generated by photo-enforced stratification. A bendable orange reflector was fabricated by this single application step. Furthermore, a blue shift of 400 nm of an infrared reflecting cholesteric was demonstrated upon increasing the temperature from room temperature to 100 °C. Such reflectors on flexible substrates could be used for the retrofitting of existing windows to save energy and visible reflectors in clothing or other aesthetically-pleasing applications
LanguageEnglish
Pages7395-7398
Number of pages4
JournalJournal of Materials Chemistry C
Volume7
Issue number24
DOIs
StatePublished - 28 Jun 2019

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Cholesteric liquid crystals
Polymers
Substrates
Retrofitting
Temperature
Photonics
Infrared radiation
Fabrication

Cite this

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abstract = "This work describes the fabrication of temperature responsive light reflectors deposited on flexible single substrates, the photonic cholesteric liquid crystal system encapsulated by a protective polymer layer generated by photo-enforced stratification. A bendable orange reflector was fabricated by this single application step. Furthermore, a blue shift of 400 nm of an infrared reflecting cholesteric was demonstrated upon increasing the temperature from room temperature to 100 °C. Such reflectors on flexible substrates could be used for the retrofitting of existing windows to save energy and visible reflectors in clothing or other aesthetically-pleasing applications",
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