Abstract
A solution processable method for employing single-walled carbon nanotubes (SWCNTs) as bottom contact source/drain electrodes for a significant reduction of contact resistance in poly (3, 3 -didodecylquarterthiophene) based organic field effect transistors (OFETs) is proposed. A two order of magnitude reduction in contact resistance and up to a threefold improvement in field effect mobilities were observed in SWCNT contacted OFETs as opposed to similar devices with gold source/drain electrodes. Based on Kelvin probe measurements, this improvement was attributed to a reduction in the Schottky barrier for hole injection into organic semiconductor.
Original language | English (US) |
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Article number | 223512 |
Journal | Applied Physics Letters |
Volume | 91 |
Issue number | 22 |
DOIs | |
State | Published - 2007 |
Externally published | Yes |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)