Abstract
Herein, we report the total chemical synthesis of graphene assembled at a liquid–liquid interface through a chemical reaction starting from benzene as a monomer. The reaction occurs at the benzene/water liquid interface, taking advantage of the insoluble material (the growing graphene structures) assembling as a film, which allows a heterogeneous reaction with the precipitated material and a molecular construction of large graphene sheets (ca. 800nm2 or larger). A two-step polymerization mechanism has been proposed, involving the initial polymerization of benzene to poly-paraphenylene (PPP) and/or its oligomers, followed by subsequent Scholl reaction between disconnected aryl rings to graphene.
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