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Unexpectedly high field-effect mobility of a soluble, low molecular weight oligoquaterthiophene fraction with low polydispersity |
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| Authors: | Patrick Pingel Achmad Zen Dieter Neher Ingo Lieberwirth Gerhard Wegner Sybille Allard Ullrich Scherf |
| Affiliation: | 1. Institute of Physics and Astronomy, University of Potsdam, Karl-Liebknecht-Stra?e 24–25, 14476, Potsdam, Germany 2. Research and Technology Center, Robert Bosch (South East Asia) Pte Ltd, 50 Nanyang Drive, Singapore, 637553, Singapore 3. Solid State Chemistry, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany 4. Macromolecular Chemistry, University of Wuppertal, Gauss-Stra?e 20, 42097, Wuppertal, Germany |
| Abstract: | Layers made from soluble low molecular weight polythiophene PQT-12 with low polydispersity exhibit a highly ordered structure and charge-carrier mobilities of the order of 10−3 cm2/(V s), which we attribute to its proximity to monodispersity. We propose that polydispersity is a decisive factor with regard to structure formation and transport properties of soluble low molecular weight polythiophenes. Electronic Supplementary Material The online version of this article () contains supplementary material, which is available to authorized users. |
| Keywords: | PACS 68.55.-a 73.61.Ph 78.66.Qn 81.05.Lg 85.30.Tv |
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