Journal
ORGANIC ELECTRONICS
Volume 11, Issue 4, Pages 658-663Publisher
ELSEVIER
DOI: 10.1016/j.orgel.2010.01.006
Keywords
Organic field-effect transistor; Organic semiconductor; Mobility; Air-stable
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We synthesized naphthyl end-capped divinylbenzenes, in which naphthyl replaces phenyl as the substituent at the terminal positions of the oligo-p-phenylenevinylenes, and investigated the performance of organic field-effect transistors (OFETs), air stability and molecular packing in poly- and single-crystalline films. The OFETs exhibited field-effect hole mobility up to 0.21 cm(2) V (1) s (1) when the organic semiconductor was evaporated on substrate at 90 degrees C. Field-effect mobility in air at a controlled temperature of 30 degrees C and high humidity of 80% was almost constant for a period of up to 220 days, indicating that the material is a very stable organic semiconductor in air. (C) 2010 Elsevier B.V. All rights reserved.
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