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High Performance Organic Transistors Using Small Molecule Semiconductors and High Permittivity Semiconducting Polymers
Author(s) -
McCall Keri L.,
Rutter Simon R.,
Bone Elizabeth L.,
Forrest Neil D.,
Bissett James S.,
Jones Julie D. E.,
Simms Michael J.,
Page Aaron J.,
Fisher Raymond,
Brown Beverley A.,
Ogier Simon D.
Publication year - 2014
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.201303336
Subject(s) - materials science , organic semiconductor , permittivity , semiconductor , transistor , thin film transistor , polymer , wetting , substrate (aquarium) , optoelectronics , molecule , nanotechnology , dielectric , composite material , organic chemistry , electrical engineering , oceanography , chemistry , layer (electronics) , voltage , geology , engineering
High mobility organic semiconductor formulations with excellent uniformity across large area substrates are prepared via the use of formulations containing small molecule and high permittivity semiconducting oligomers. The use of these high‐ k ( k > 3.3) oligomers allows control of the wetting via the manipulation of the surface energy of the substrate being coated. Organic thin film transistors results with mobilities of up to 5 cm 2 V ‐1 s ‐1 , standard deviation <10 %, on/off ratios of 10 9 are presented.