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

Chaudhuri, Debangshu and Li, Dongbo and Sigmund, Eva and Wettach, H. and Hoeger, Sigurd and Lupton, John M. (2012) Plasmonic surface enhancement of dual fluorescence and phosphorescence emission from organic semiconductors: effect of exchange gap and spin-orbit coupling. CHEMICAL COMMUNICATIONS, 48 (53). pp. 6675-6677. ISSN 1359-7345, 1364-548X

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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.

Item Type: Article
Uncontrolled Keywords: PLATINUM OCTAETHYL PORPHYRIN; GOLD NANOPARTICLES; SILVER SURFACES; MOLECULES;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group John Lupton
Depositing User: Dr. Gernot Deinzer
Date Deposited: 25 May 2020 06:17
Last Modified: 25 May 2020 06:17
URI: https://pred.uni-regensburg.de/id/eprint/19475

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