The synthesis of sexithiophenes bearing amide or ester groups in the alpha,omega-terminal positions is described, along with their characterization in the solid state. The influence of the functional group on mobilities and on/off ratios of the organic FET devices was investigated. The oligomer bearing the ester functional group separated from the sexithiophene core by an ethylene spacer showed a hole field-effect mobility as high as 0.012 cm(2) V(-1) s(-1), which is among the highest reported so far for organic FETs using sexithiophenes modified with polar groups.

Synthesis and field-effect properties of α,ω-disubstituted sexithiophenes bearing polar functional groups

MASTRORILLI, Pietro;ROMANAZZI, Giuseppe;SURANNA, Gian Paolo;
2006

Abstract

The synthesis of sexithiophenes bearing amide or ester groups in the alpha,omega-terminal positions is described, along with their characterization in the solid state. The influence of the functional group on mobilities and on/off ratios of the organic FET devices was investigated. The oligomer bearing the ester functional group separated from the sexithiophene core by an ethylene spacer showed a hole field-effect mobility as high as 0.012 cm(2) V(-1) s(-1), which is among the highest reported so far for organic FETs using sexithiophenes modified with polar groups.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11589/2301
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