publication . Article . 2014

Low voltage electrolyte-gated organic transistors making use of high surface area activated carbon gate electrodes

J. Sayago; F. Soavi; Y. Sivalingam; F. Cicoira; C. Santato;
  • Published: 01 Jan 2014 Journal: J. Mater. Chem. C, volume 2, pages 5,690-5,694 (issn: 2050-7526, eissn: 2050-7534, Copyright policy)
  • Publisher: Royal Society of Chemistry (RSC)
  • Country: Italy
In electrolyte-gated transistors, the exceptionally high capacitance of the electrical double layer forming at the electrolyte/transistor channel interface permits current modulations of several orders of magnitude, at relatively low gate voltages. The effect of the nature of the gate electrode on the performance of electrolyte-gated transistors is still largely unclear, despite recent intensive efforts. Here we demonstrate that the use of high surface area, low cost, activated carbon gate electrode enables low voltage (sub-1 V) operation in ionic liquid-gated organic transistors and renders unnecessary the presence of an external reference electrode to monitor ...
free text keywords: Materials Chemistry, General Chemistry, Ionic conductivity, Reference electrode, Materials science, Electrode, Voltage, Low voltage, Electrolyte, Transistor, law.invention, law, Ionic liquid, chemistry.chemical_compound, chemistry, Nanotechnology, electrolyte-gated transistors, activated carbon electrodes, ionic liquids, polymer thin films, electrochemical doping
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