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Keywords:

  • organic field-effect transistors;
  • bar-coating;
  • conjugated polymers;
  • ambipolar;
  • organic complementary circuit
Thumbnail image of graphical abstract

Large-area polymer FET arrays and integrated circuits (ICs) are successfully demonstrated via a simple wire-bar–coating process. Both a highly crystalline conjugated polymer layer and very smooth insulating polymer layer are formed by a consecutive wire-bar–coating process on a 4-inch plastic substrate with a short processing time for application as the active and dielectric layers of OFET arrays and ICs.