4.8 Article

Dynamically Controlled Iridescence of Cholesteric Cellulose Nanocrystal Suspensions Using Electric Fields

Journal

ADVANCED MATERIALS
Volume 29, Issue 11, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201606208

Keywords

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Funding

  1. French National Research Agency [ANR-08-NANO-P235-36]
  2. [COST-STSM-FP1205-30247]

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Cellulose nanocrystal suspensions in apolar solvent spontaneously form iridescent liquid-crystalline phases but the control of their macroscopic order is usually poor. The use of electric fields can provide control on the cholesteric orientation and its periodicity, allowing macroscopic sample homogeneity and dynamical tuning of their iridescent hues, and is demonstrated here.

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