"Cut and stick" rubbery ion gels as high capacitance gate dielectrics

Keun Hyung Lee, Moon Sung Kang, Sipei Zhang, Yuanyan Gu, Timothy P. Lodge, C. Daniel Frisbie

Research output: Contribution to journalArticlepeer-review

279 Scopus citations


A free-standing polymer electrolyte called an ion gel is employed in both organic and inorganic thin-film transistors as a high capacitance gate dielectric. To prepare a transistor, the free-standing ion gel is simply laid over a semiconductor channel and a side-gate electrode, which is possible because of the gel's high mechanical strength.

Original languageEnglish (US)
Pages (from-to)4457-4462
Number of pages6
JournalAdvanced Materials
Issue number32
StatePublished - Aug 22 2012


  • free-standing ion gels
  • ionic liquids
  • polymer gels
  • thin-film transistors


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