4.7 Article

pH dependent isotropic to nematic phase transitions in graphene oxide dispersions reveal droplet liquid crystalline phases

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 50, Pages 6668-6671

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc00970c

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Funding

  1. Australian Research Council [LP110100612]
  2. National Institute of Biomedical Imaging and Bio-engineering [R01EB002045]
  3. Human Frontier Science Program (HFSP fellowship)
  4. Australian Research Council [LP110100612] Funding Source: Australian Research Council

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Size fractionation, amplified by the surface charge density of graphene oxide (GO) sheets, broadens the pH dependent isotropic (I) to nematic (N) phase transition in aqueous dispersions of graphene oxide (GO). In this biphasic region, a highly organized droplet nematic phase of uniform size (20 +/- 2.8 mu m diameter) with an isotropic interior is observed.

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