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Influence of polymorphism on charge transport properties in isomers of fluorenone-based liquid crystalline semiconductors |
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| Authors: | Lincker Frédéric Attias André-Jean Mathevet Fabrice Heinrich Benoît Donnio Bertrand Fave Jean-Louis Rannou Patrice Demadrille Renaud |
| Affiliation: | CEA-Grenoble, INAC, UMR5819-SPrAM (CEA-CNRS-Univ. J. Fourier-Grenoble 1), Laboratoire d'Electronique Moléculaire Organique et Hybride, 17 Rue des Martyrs, 38054 Grenoble Cedex 9, France. |
| Abstract: | We measured the charge carrier mobilities for two isomers of fluorenone-based liquid crystalline organic semiconductors from their isotropic down to crystalline states through one or two mesophases. Improved charge transport properties of melt-processed crystalline films were obtained for the isomer exhibiting a highly ordered mesophase below its disordered smectic phase. |
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