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Keywords:

  • dispersions;
  • graphene;
  • liquid crystals;
  • phase transitions;
  • polarized spectroscopy
Thumbnail image of graphical abstract

Crystal clear: The liquid crystallinity of graphene oxide platelets in aqueous dispersion is demonstrated. Graphene oxide sheets are arranged around liquid-crystal disclinations (see picture). The orientation of the liquid crystals can be manipulated by a magnetic field or mechanical deformation.