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dc.creatorValaski Rogério-
dc.creatorMoreira Liadáurea M.-
dc.creatorMicaroni Liliana-
dc.creatorHümmelgen Ivo A.-
dc.descriptionWe investigate the electronic characteristics and the absorption spectra of poly(3-octylthiophene), POT, films grown by electrochemical methods onto Au substrates. We discuss the results considering the morphological factor. POT films thickness can be controlled by current density in the electropolymerization process. The film roughness depends on the thickness, being about 12% of film thickness. The samples for electrical measurements were made in sandwich structure, Au/POT/metal (metal: Ni, Al). Analyzing current-voltage data we were able to estimate the positive charge carrier mobility (5 x 10-4 cm² V-1 s-1) and the potential barrier height in the metal/polymer interfaces (0.1 eV for Au/POT and Ni/POT and 0.85 eV for Al/POT).-
dc.publisherSociedade Brasileira de Física-
dc.sourceBrazilian Journal of Physics-
dc.titleThe electronic behavior of poly(3-octylthiophene) electrochemically synthesized onto Au substrate-
Appears in Collections:Physics and Astronomy

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