Direct exfoliation of natural graphite into micrometre size few layers graphene sheets using ionic liquids.

نویسندگان

  • Xiqing Wang
  • Pasquale F Fulvio
  • Gary A Baker
  • Gabriel M Veith
  • Raymond R Unocic
  • Shannon M Mahurin
  • Miaofang Chi
  • Sheng Dai
چکیده

Stable high-concentration suspensions (up to 0.95 mg mL(-1)) of non-oxidized few layer graphene (FLG), five or less sheets, with micrometre-long edges were obtained via direct exfoliation of natural graphite flakes in ionic liquids, such as 1-butyl-3-methyl-imidazolium bis(trifluoro-methane-sulfonyl)imide ([Bmim]-[Tf(2)N]), by tip ultrasonication.

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عنوان ژورنال:
  • Chemical communications

دوره 46 25  شماره 

صفحات  -

تاریخ انتشار 2010