Chemistry Letters
Letter
Synthesis and Characterization of N-Acyl-substituted PyrroloTTF Derivatives and Improved Air-stability of PyrroloTTF-based OFETs
Iori DoiEigo MiyazakiKazuo Takimiya
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Volume 37 (2008) Issue 10 Pages 1088-1089

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Abstract

As novel bis(pyrrolo[3,4-d])tetrathiafulvalene (PyTTF)-based organic semiconductors, N-acyl-substituted PyTTFs 4 were synthesized and evaluated. Their oxidation potentials determined by cyclic voltammetry were shifted cathodically by more than 0.35 V compared with the N-alkyl-PyTTFs 3. In accordance with elevated oxidation potentials, their vapor-processed field-effect transistors showed improved air-stability with mobilities up to 0.08 cm2 V−1 s−1 under ambient conditions.

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© 2008 The Chemical Society of Japan
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