Biocompatible and Sustainable Optical Strain Sensors for Large-Area Applications
Accepted version
Peer-reviewed
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Article
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Abstract
By a simple two-step procedure, large photonic strain sensors using a biocompatible cellulose derivative are fabricated. Transient color shifts of the sensors are explained by a theoretical model that consideres the deformation of cholesteric domains, which is in agreement with the experimental results. The extremely simple fabrication method is suitable for both miniaturization and large-sale manufacture, taking advantage of inexpensive and sustainable materials.
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Keywords
cellulose, cholesteric liquid crystals, iridescence, photonic structures, strain sensors
Journal Title
Advanced Optical Materials
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Journal ISSN
2195-1071
2195-1071
2195-1071
Volume Title
4
Publisher
Wiley
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Sponsorship
Biotechnology and Biological Sciences Research Council (BB/K014617/1)
European Research Council (639088)
European Research Council (639088)
Biotechnology and Biological Sciences Research Council (David Phillips fellowship (Grant ID: BB/K014617/1)), The Isaac Newton Trust Cambridge (Grant ID: 76933), European Research Council (Grant ID: ERC-2014-STG H2020 639088)