Journal
ACS MACRO LETTERS
Volume 2, Issue 9, Pages 818-821Publisher
AMER CHEMICAL SOC
DOI: 10.1021/mz4003722
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Funding
- NSERC
- NORAM Engineering and Constructors Ltd.
- FPInnovations
- ArboraNano
- German Academic Exchange Service (DAAD)
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A family of new amino resin-cellulose nanocrystal composites is reported. Owing to the chiral nematic order of the cellulose nanocrystals (CNCs) embedded in the amino resin polymer, the materials appear highly iridescent and their color can be controlled by the addition of salt. The freshly prepared samples are highly flexible and their color can be manipulated by applying pressure to the films. Colored chiral nematic patterns can be permanently recorded in the composite films, suggesting their application for security features, pressure sensors, and decoration.
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