Dresden 2011 – wissenschaftliches Programm

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DS: Fachverband Dünne Schichten

DS 42: Poster I: Progress in Micro- and Nanopatterning: Techniques and Applications (jointly with O); Spins in Organic Materials; Ion Interactions with Nano Scale Materials; Organic Electronics and Photovoltaics; Plasmonics and Nanophotonics (jointly with HL and O); High-k and Low-k Dielectrics (jointly with DF); Organic Thin Films; Nanoengineered Thin Films; Layer Deposition Processes; Layer Properties: Electrical, Optical, and Mechanical Properties; Thin Film Characterisation: Structure Analysis and Composition; Application of Thin Films

DS 42.18: Poster

Mittwoch, 16. März 2011, 15:00–17:30, P1

Electrical and morphological characterization of self assembled nanofibers by means of conducting tip AFM — •Jörn-Oliver Vogel and Paolo Samorì — Institut de Science et d'Ingénierie Supramoléculaires, Strasbourg , Frankreich

Electrical and morphological characterization of self assembled nanofibers by means of conducting tip AFM

The simultaneous characterization of the morphology and the electronic properties of isolated nanostructures is important to understand how the spatial restrictions and the nanoscale order affect the electrical properties of nanoscale objects and organic electronic devices.

Here we report the study of the electrical properties of self organized nanofibers of poly(3-hexylthiophene) polymers adsorbed on an insulating substrate from a mixed p-xylene / chloroform solution.

The fibers were produced by means of spin-coating on a silicon oxide surface with pre-patterned gold electrodes. The P3ht fibers have a typical extension of 20 to 50 nm width, several um length, and 1.5 nm to 5 nm height. The IV characteristics of individual fibers are probed by the conductive AFM tip along the fiber contour in order explore the decay of current through this anisotropic nanostructure.