Journal
ADVANCED MATERIALS
Volume 24, Issue 18, Pages 2441-2446Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201200088
Keywords
organic field-effect transistors; blend organic semiconductors; organic semiconductors
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Funding
- Engineering and Physical Sciences Research Council (EPSRC) [EP/E02730X]
- Research Councils UK (RCUK)
- King Abdullah University of Science and Technology (KAUST)
- National Science Foundation (NSF) [DMR-0225180]
- NIH-NIGMS
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Using phase-separated organic semiconducting blends containing a small molecule, as the hole transporting material, and a conjugated amorphous polymer, as the binder material, we demonstrate solution-processed organic thin-film transistors with superior performance characteristics that include; hole mobility >5 cm(2)/Vs, current on/off ratio >= 10(6) and narrow transistor parameter spread. These exceptional characteristics are attributed to the electronic properties of the binder polymer and the advantageous nanomorphology of the blend film.
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