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DPG

Dresden 2011 – wissenschaftliches Programm

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DS: Fachverband Dünne Schichten

DS 25: Organic Electronics and Photovoltaics CPP-III (jointly with CPP, HL, and O)

DS 25.4: Vortrag

Dienstag, 15. März 2011, 14:45–15:00, ZEU 222

Self-Assembled Ultralong Organic Semiconducting Nano/MicrowiresJulia Lambrecht, •Tobat P. I. Saragi, and Josef Salbeck — Macromolecular Chemistry and Molecular Materials (mmCmm), Department of Mathematics and Science and Center for Interdisciplinary Nanostructure Science and Technology (CINSaT), University of Kassel, Heinrich-Plett-Strasse 40, D 34132 Kassel, Germany

We report on the simple process in fabrication of spiro-substituted perylene diimide nano/microwires (NMWs) by using self-assembly approach, namely drying under solvent atmosphere. This method results in a controllable number of NMWs on the substrate, which enables us to fabricate single NMW electronic device. Furthermore, we are able to control the growth direction of NMWs by using a structured substrate. An aspect ratio as high as ~9200 can be obtained in our experiment and the longest wire is determined to be 5.5 mm. The resistivity of the single NMW is characterized and the value is in the range of 100 Ohm m and 10000 ohm m.

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