In this NJC paper, Aharon Gedanken and co-workers (Institute of Nanotechnology and Advanced Materials, Israel) have prepared stabilized liquid-filled microspheres of graphene oxide, by applying ultra-sonic power to a biphasic system.
By using two dyes, the authors were able to show that the microsphere’s core has mostly a hydrophobic environment due to organic solvents though a polar environment was also measured at the microsphere’s core, which increased close to the microsphere edge that was attributed to the presence of graphene oxide sheets and water molecules.
Graphene oxide microspheres prepared by a simple, one-step ultrasonication method Matias Sametband, Ulyana Shimanovich and Aharon Gedanken New J. Chem., 2011, Advance Article DOI: 10.1039/C1NJ20738E
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