Sexithiophenes as efficient luminescence quenchers of quantum dots

Sexithiophenes as efficient luminescence quenchers of quantum dots

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...

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Veröffentlicht in:Beilstein journal of organic chemistry 2011-12, Vol.7 (1), p.1722-1731
Hauptverfasser: Mason, Christopher R, Li, Yang, O'Brien, Paul, Findlay, Neil J, Skabara, Peter J
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
electrochemistry
Full Research Paper
luminescence quenching
quantum dots
sexithiophenes
synthesis
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Beschreibung
Zusammenfassung: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.
ISSN:1860-5397
1860-5397
DOI:10.3762/bjoc.7.202