Abstract
In this study, a new method for the preparation of graphene using poly(ionic liquid) [PEP-MIM]Cl was found and the complex [PEP-MIM]Cl-GO, which combines with graphene oxide (GO) via electrostatic and π-π interactions, was investigated to be dissolved in the organic or aqueous phase, depending on the concentration of the poly(ionic liquid), and to be stably dispersed and liquid crystalline. After reduction to graphene (rGO) by L(+)-ascorbic acid, this stable dispersion can still exist without any agglomerates, and thus the poly(ionic liquid)- functionalised graphene [PEP-MIM]Cl-rGO with good dispersibility in water was prepared, and some explorations of phase transfer and anion exchange of [PEP-MIM]Cl-rGO based on the ion exchangeability of the poly(ionic liquid) were made. exchange, and the success of the preparation of poly(ionic liquid)-functionalized graphene was confirmed by TEM, AFM, FTIR, Raman and other characterizations.
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