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Incorporation of perfluorohexyl-functionalised thiophenes into oligofluorene-truxenes : synthesis and physical properties

Thomson, Neil N. and Kanibolotsky, Alexander L. A.L. and Cameron, Joseph J. and Tuttle, Tell T. and Findlay, Neil J. N.J. and Skabara, Peter J. P.J. (2013) Incorporation of perfluorohexyl-functionalised thiophenes into oligofluorene-truxenes : synthesis and physical properties. Beilstein Journal of Organic Chemistry, 9. pp. 1243-1251. ISSN 1860-5397

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Abstract

Oligofluorene-functionalised truxenes containing perfluorohexylthiophene units at the terminal positions on the arms were synthesised, and their optical and electrochemical properties were investigated to determine the effect that the perfluorohexylthiophene unit has on the HOMO and LUMO properties of the oligomers. By synthesising a molecule with longer oligofluorene arms the effects of the perfluorohexylthiophene unit on larger oligomers was explored. The effect of steric hindrance from the perfluorohexyl chain was also evaluated by altering the position of the chain on the thiophene moiety.