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Liquid crystals

Electric fields line up graphene oxide

The macroscopic alignment of dilute dispersions of graphene oxide can be controlled, with extremely large optical sensitivity, through the application of weak electric fields.

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Figure 1: Graphene oxide liquid-crystal formation and electric-field switching.


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Correspondence to Sang Ouk Kim.

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Kim, J., Kim, S. Electric fields line up graphene oxide. Nature Mater 13, 325–326 (2014).

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