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Keywords:

  • Field-effect mobilities;
  • Field-effect transistors, organic;
  • Hole transport;
  • Polydiacetylenes;
  • Polymerization;
  • Thin films, organic
Thumbnail image of graphical abstract

A highly ordered polydiacetylene thin film was prepared by vacuum deposition of 10,12-pentacosadiynoic acid, followed by photopolymerization of this layer under UV irradiation. Using an optimum substrate temperature of 50 °C during the monomer deposition, we obtained a high field-effect hole mobility of 0.8 cm2 V–1 s–1 with p-type field-effect transistor characteristics in the top source–drain electrode configuration.