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Keywords:

  • solution processing;
  • thin-film growth;
  • organic field-effect transistors;
  • in situ characterization;
  • Avrami model
Thumbnail image of graphical abstract

In printed electronics, the drying semiconductor solution undergoes a solution-to-solid phase transformation that must yield optimal microstructure and performance. In small-molecule organic fieldeffect transistors (OFETs), it is crucial to yield films with large area lamellar coverage with excellent inplane p-stacking. On page 291 Aram Amassian and co-workers present new methodology and insight, which help to ensure that the drying solution crystallizes in optimal ways to promote carrier transport in OFETs.