Metal Coordination and Aggregation Properties of Chiral Polythiophenes and Polythienylethynylenes
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Publication date
2007
Authors
Matthews, J.R.
Goldoni, F.
Kooijman, H.
Spek, A.L.
Schenning, A.P.H.J.
Meijer, E.W.
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Abstract
A series of chiral thio- and oxo-substituted polythiophenes and polythienylethynylenes has been synthesised and investigated. The replacement of an oxo-linkage by a thio-linkage distorts and/or inhibits the helical aggregation behaviour. The quenching of fluorescence upon coordination to palladium is also radically different depending on the presence of oxo- or thio-substitution of the thiophene units. The alkylthio-substituted polythiophenes and polythienylethynylenes do act as sensors for palladium by quenching of their fluorescence to a significantly greater extent than the quenching observed for nonthio functionalised polythiophenes and polythienylethynylenes.
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Matthews, J R, Goldoni, F, Kooijman, H, Spek, A L, Schenning, A P H J & Meijer, E W 2007, 'Metal Coordination and Aggregation Properties of Chiral Polythiophenes and Polythienylethynylenes', Macromolecular Rapid Communications, vol. 28, no. 17, pp. 1809-1815.