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Keywords:

  • printed ZnO transistors;
  • electrolyte gated transistors (EGTs);
  • thin-film transistors;
  • flexible substrates;
  • ion-gel gate insulators
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Printed, flexible ZnO electrolyte-gated transistors (EGTs) and inverters are demonstrated by C. Daniel Frisbie and co-workers on page 3413. ZnO-EGTs with high capacitance ion-gel gate insulators are printed on polyimide and the devices exhibit high electron mobility (1.6 cm−2 V−1 s−1), low operation voltage (<2 V), and good electrical and mechanical stability. These printed n-type EGTs are promising for next generation flexible devices.