A new copolymer of benzo[1,2-b:4,5-b′]dithiophene and 3. 3′-bis(tridecanoxy)-5,5′-bithiophene was synthesized through Stille copolymerization. The bis-(3-alkoxythiophene) monomer was synthesized through a silver fluoride mediated, palladium-catalyzed cross-coupling, in which bromide functional groups were preserved instead of consumed. The copolymer has been characterized and applied in field-effect transistors, giving a hole mobility of 2 × 10- 3 cm2/Vs and an on/off ratio >10 6, with negligible hysteresis, on standard silicon substrates.
Synthesis, characterization, and field-effect transistor performance of poly[2,6-bis(3-tridecanoxythiophen-2-yl)benzo[1,2-b;4,5-b′]dithiophene] / M.A.M. Leenen, T. Meyer, F. Cucinotta, H. Thiem, R. Anselmann, L. De Cola. - In: JOURNAL OF POLYMER SCIENCE. PART A, POLYMER CHEMISTRY. - ISSN 0887-624X. - 48:9(2010), pp. 1973-1978. [10.1002/pola.23964]
Synthesis, characterization, and field-effect transistor performance of poly[2,6-bis(3-tridecanoxythiophen-2-yl)benzo[1,2-b;4,5-b′]dithiophene]
L. De Cola
2010
Abstract
A new copolymer of benzo[1,2-b:4,5-b′]dithiophene and 3. 3′-bis(tridecanoxy)-5,5′-bithiophene was synthesized through Stille copolymerization. The bis-(3-alkoxythiophene) monomer was synthesized through a silver fluoride mediated, palladium-catalyzed cross-coupling, in which bromide functional groups were preserved instead of consumed. The copolymer has been characterized and applied in field-effect transistors, giving a hole mobility of 2 × 10- 3 cm2/Vs and an on/off ratio >10 6, with negligible hysteresis, on standard silicon substrates.File | Dimensione | Formato | |
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