This research focuses on fabricating capsules of ionic liquid (IL) stabilized by graphene oxide (GO) and its derivative through interfacial polymerization at the fluid-fluid interface in Pickering emulsions. GO nanosheets and primary alkyl amine functionalized GO nanosheets were used as surfactants to prepare different types of IL-containing Pickering emulsion templates. Capsules with GO/polyurea hybrid shell were successfully prepared in which IL was wrapped. We explored the impact of monomer identity on the formation of capsule shells and vary the kind of IL used and thereby produce capsules with varied compositions. Optical microscopy, scanning electron microscopy, FTIR spectroscopy, and NMR were used to evaluate morphology and gain structural information. These tailored IL capsules showed great contaminant removal efficiency.

Capsules of ionic liquid prepared from pickering emulsion templates stabilized by graphene oxide and its derivative

ACS Spring Meeting 2021

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