Keri L. McCall, Simon R. Rutter, Elizabeth L. Bone, Neil D. Forrest, James S. Bissett, Julie D. E. Jones, Michael J. Simms, Aaron J. Page, Raymond Fisher, Beverley A. Brown and Simon D. Ogier High Performance Organic Transistors Using Small Molecule Semiconductors and High Permittivity Semiconducting Polymers Advanced Functional Materials 24
High mobility organic semiconductor formulations with excellent uniformity are prepared by combining a small molecule and high permittivity semiconducting oligomers. The use of these high-k (k > 3.3) oligomers allows control of the performance by manipulation of the surface energy of the substrate. Organic thin film transistors results with mobilities of 5 cm2 V-1 s-1, standard deviation <10% and on/off ratios of 109 are presented.
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