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Proceedings Paper

Excitation energy transfer in molecular complexes: transport processes, optical properties and effects of nearby placed metal nano-particles
Author(s): Volkhard May; Jörg Megow; Iaroslav Zelinskyi
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Paper Abstract

Excitation energy transfer (EET) in molecular systems is studied theoretically. Chromophore complexes are considered which are formed by a butanediamine dendrimer with four pheophorbide-a molecules. To achieve a description with an atomic resolution and to account for the effect of an ethanol solvent a mixed quantum classical methodology is utilized. Details of the EET and spectra of transient anisotropy showing signatures of EET are presented. A particular control of intermolecular EET is achieved by surface plasmons of nearby placed metal nanoparticles (MNP). To attain a quantum description of the molecule-MNP system a microscopic theory is introduced. As a particular application surface plasmon affected absorption spectra of molecular complexes placed in the proximity of a spherical MNP are discussed.

Paper Details

Date Published: 1 May 2012
PDF: 6 pages
Proc. SPIE 8424, Nanophotonics IV, 842403 (1 May 2012); doi: 10.1117/12.921532
Show Author Affiliations
Volkhard May, Humboldt-Univ. zu Berlin (Germany)
Jörg Megow, Humboldt-Univ. zu Berlin (Germany)
Iaroslav Zelinskyi, Humboldt-Univ. zu Berlin (Germany)


Published in SPIE Proceedings Vol. 8424:
Nanophotonics IV
David L. Andrews; Jean-Michel Nunzi; Andreas Ostendorf, Editor(s)

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