期刊
MATERIALS HORIZONS
卷 5, 期 6, 页码 1076-1081出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8mh00586a
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资金
- Natural Sciences and Engineering Research Council (NSERC) of Canada
Anisotropic hydrogels with a large mono-domain, nematic organization of cellulose nanocrystals (CNCs) were prepared. External stimuli such as ionic strength and pressure allow the hydrogels to change their shapes anisotropically through swelling/shrinking and expansion/contraction, respectively. These stimuli cause changes in a phase difference for the light passing through them while retaining the monodomain structure, leading to large color changes when the hydrogels are viewed between crossed polarizers.
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