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Plasmonic surface enhancement of dual fluorescence and phosphorescence emission from organic semiconductors: effect of exchange gap and spin–orbit coupling

URN to cite this document:
urn:nbn:de:bvb:355-epub-266990
DOI to cite this document:
10.5283/epub.26699
Chaudhuri, Debangshu ; Li, Dongbo ; Sigmund, Eva ; Wettach, H. ; Höger, Sigurd ; Lupton, John M.
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Date of publication of this fulltext: 14 Nov 2012 13:45


Abstract

Dual singlet–triplet fluorescence–phosphorescence emitting compounds demonstrate that plasmonic surface enhancement is controlled solely by the underlying oscillator strength of a transition: metal-free compounds with weak spin–orbit coupling show no enhancement in phosphorescence efficiency even though fluorescence is amplified.


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