Incorporation of Coumarin 6 in cyclodextrins: microcrystals to lamellar composites

Incorporation of Coumarin 6 in cyclodextrins: microcrystals to lamellar composites

Coumarin 6 precipitates in water as microcrystals resulting in a considerable loss in fluorescence yield. Differential interaction of the microcrystals with cyclodextrins of different cavity size enhances the fluorescence yield of the dye by 160 fold in some cases. Highly fluorescent ultrathin lamel...

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Veröffentlicht in:RSC advances 2015-01, Vol.5 (6), p.4214-4218
Hauptverfasser: Ghosh, Prasun, Das, Tarasankar, Maity, Arnab, Mondal, Somen, Purkayastha, Pradipta
Format: Artikel
Sprache:eng
Schlagworte:
Coumarin
Cyclodextrins
Dyes
Fluorescence
Holes
Hydrogen bonding
Microcrystals
Precipitates
Precipitation
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Beschreibung
Zusammenfassung:Coumarin 6 precipitates in water as microcrystals resulting in a considerable loss in fluorescence yield. Differential interaction of the microcrystals with cyclodextrins of different cavity size enhances the fluorescence yield of the dye by 160 fold in some cases. Highly fluorescent ultrathin lamellar entities form through hydrogen bonding.
ISSN:2046-2069
2046-2069
DOI:10.1039/C4RA13706J