Pentacene precursors for solution-processed OFETs |
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Authors: | Hiroki Uoyama |
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Affiliation: | Department of Chemistry and Biology, Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan |
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Abstract: | 15-Acetoxy- and 15-hydroxy-6,13-dihydro-6,13-ethanopentacenes sublimed over 300 °C and no pentacene was formed below the temperature. The precursors bearing chlorinated epithiomethano bridges suffered complicated decomposition to give oligomeric pentacene derivatives. The precursor bearing an epithio-oxomethano bridge underwent smooth and clean conversion to pentacene by heat or light. An organic field-effect transistor fabricated by the spin-coating method of the precursor followed by light irradiation at 120 °C showed a good FET performance of μ=2.5×10−2 cm2 V−1 s−1 and on/off ratio=3.8×104. |
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Keywords: | Pentacene Retro-Diels-Alder reaction Photochemical cycloreversion Organic field-effect Transistor Thermolysis |
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