Artículo

Metal-conducting polymer interface studied by Kelvin probe microscopy: Au and Al on poly(3-octyl-thiophene)

Journal ar
Journal of Polymer Science, Part B: Polymer Physics
  • Volumen: 52
  • Número: 16
  • Fecha: 15 agosto 2014
  • Páginas: 1083-1093
  • ISSN: 10990488 08876266
  • Tipo de fuente: Revista
  • DOI: 10.1002/polb.23536
  • Tipo de documento: Artículo
  • Editorial: John Wiley and Sons Inc.P.O.Box 18667NewarkNJ 07191-8667
In this work, we report a Kelvin probe microscopy investigation on the structural and electronic properties of gold and aluminum thin films evaporated on poly(3-octyl-thiophene) films. Our experimental setup allows us to perform scanning force microscopy (SFM) studies of the same area even if the sample is taken out of the SFM system for different processes (Au and Al evaporation). This allows a detailed study of the effect of adsorbed metal particles on the morphology and electrical properties of polymer thin films at the nanoscale. We found different behavior for both metals in morphology and electrical properties at the interface. These results can contribute to explain what happens at the metal-polymer interface of the devices when the metal contacts are grown. Thereby the observed nanoscale structural changes can be correlated with the overall performance of the fabricated devices. © 2014 Wiley Periodicals, Inc.

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