The University of Tokyo

Saisuwan Ravi

Takuzo Aida

Michio Matsumoto

Chiyoung Park

An ionic liquid can disperse graphene at a high concentration. The ionic liquid can be represented by general formula (1): in which Rand Rmay be the same or different and each independently represents a substituted or unsubstituted C1-7 linear or branched alkyl group; Ris represented by formula (2): in which Rand Rmay be the same or different and each independently represents a C1-4 linear or branched alkylene group, and m represents an integer of 1-5; Rand Rmay be the same or different and each independently represent a hydrogen atom, substituted or unsubstituted C1-4 linear or branched alkyl group; Xrepresents a counter ion; and n represents 0-30.

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Tokyo, Japan

Saisuwan Ravi