SEARCH

SEARCH BY CITATION

Keywords:

  • Carbazoles;
  • Charge trapping;
  • Organic electronics;
  • Pentacenes;
  • Organic
Thumbnail image of graphical abstract

Organic field-effect transistors with a poly(N-vinylcarbazole) (PVK) buffer layer between the SiO2 and organic semiconductor are fabricated. The PVK layer improves the device performance (mobility of 0.5 cm2 V–1 s–1). The charge stored in the PVK layer can be changed by the starting VGS (see figure, where VGS varies from 0 to –100 V), resulting in the systematic control of the threshold voltage in a device.