The rush to develop graphene applications mandates mass production of graphene sheets. However, the currently available complex and expensive production technologies are limiting the graphene commercialization. The addition of a protective diluent to graphite during ball-milling is demonstrated to result in a game-changer yield (>90%) of defect-free graphene, whose size is controlled by the milling energy and the diluent type.
The formation of vesicles during the synthesis of mesostructured surfactant-silicate materials has been evidenced for the first time by applying in situ Cryo-TEM. A mixture of anionic and cationic surfactants was used to fine-tune the packing parameter of the supramolecular surfactant assembly. It is shown that the vesicles are formed during the course of the reaction and suggested to be a consequence of silicate condensation reactions. Furthermore, the study confirms earlier suggestions that the silicate-surfactant micelles are capable of solubilizing hydrophobic additives during the early stages of the reaction.
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