Fig. 8
From: Surfactant mediated liquid phase exfoliation of graphene
Ionic liquids assisted LPE of graphene. a Images of the dispersion of graphite in [Bmim] [Tf2N] before (left) and after (middle) ultrasonication and the Tyndall effect of a diluted graphene suspension using a laser pointer (right). (reproduced from ref. 73 with permission, © Royal Society of Chemistry). b HMIH structure and images of dispersions obtained after 0.5 h (left) and 24 h (right) of sonication time for samples with 1 wt % of initial graphite using HMIH. (reproduced from ref. 74 with permission, © Royal Society of Chemistry). c Triblock (TB), Nanolatex (NL) co-polymer structures and NL stabilized graphene rheo-optical dispersion (1.1 wt %) exhibiting isotropic to nematic transition upon application of shear field. (reproduced from ref. 75 with permission, © American Chemical Society)