Print Email Facebook Twitter Microscopic understanding of the anisotropic conductivity of PEDOT:PSS thin films Title Microscopic understanding of the anisotropic conductivity of PEDOT:PSS thin films Author Nardes, A.M. Kemerink, M. Janssen, R.A.J. Bastiaansen, J.J.A.M. Kiggen, N.M.M. Langeveld, B.M.W. van Breemen, A.J.J.M. de Kok, M.M. TNO Industrie en Techniek Publication year 2007 Abstract The anisotropic conductivity of spin-coated poly(3,4- ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) thin films by temperature-dependent conductivity measurements, has been analyzed. A detailed 3D morphological model was derived from topographic scanning tunneling microscopy (STM) and cross-sectional atomic force microscopy (AFM) images, which correlated the anisotropy, both in conductivity magnitude and in the conduction mechanism. Spin coated films of PEDOT:PSS formed a reasonably homogenous material in terms of electrical conductivity. It was observed that the vertical conductivity that is perpendicular to the substrate, can be up to three orders of magnitude lower than the lateral conductivity in the plane of the film. The macroscopic in-plane conductivity was found to be completely isotropic, and the ordering was found to be confined to randomly oriented micrometer-size domains. Subject Atomic force microscopyElectric conductivityMagnetic anisotropyScanning tunneling microscopySpin coatingAnisotropic conductivityPolystyrenesulfonateThin films To reference this document use: http://resolver.tudelft.nl/uuid:12e70b0d-f961-4b46-b766-a2fe1644b5b3 TNO identifier 239977 ISSN 0935-9648 Source Advanced Materials, 19 (9), 1196-1200 Document type article Files To receive the publication files, please send an e-mail request to TNO Library.