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Beilstein J Org Chem. 2011;7:1722-31. doi: 10.3762/bjoc.7.202. Epub 2011 Dec 22.

Sexithiophenes as efficient luminescence quenchers of quantum dots.

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  • 1Department of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, UK.

Abstract

Sexithiophenes 1a and 1b, in which a 4-(dimethylamino)phenyl unit is incorporated as an end-capping group, were synthesised and characterised by cyclic voltammetry, absorption spectroscopy and UV-vis spectroelectrochemistry. Additionally, their ability to function as effective luminescence quenchers for quantum dot emission was studied by photoluminescence spectroscopy and compared with the performance of alkyl end-capped sexithiophenes 2a and 2b.

KEYWORDS:

electrochemistry; luminescence quenching; quantum dots; sexithiophenes; synthesis

PMID:
22238551
[PubMed]
PMCID:
PMC3252877
Free PMC Article

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