Plasmon enhancement of fluorescence in single light-harvesting complexes from amphidinium carterae

Bujak, D. Pia̧tkowski, S. Mackowski*, S. Wörmke, C. Jung, C. Bräuchle, A. Agarwal, N. A. Kotov, T. Schulte, E. Hofmann, T. H P Brotosudarmo, H. Scheer, A. O. Govorov, R. G. Hiller

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)

    Abstract

    We show that single peridinin-chlorophyll a-protein light-harvesting complexes from dinoflagellate Amphidinium carterae placed near to silver nanoparticles show strongly enhanced fluorescence emission. Single molecule spectroscopy experiments performed at room temperature point toward an enhancement of more than an order of magnitude for optimal conditions. Irrespective of the enhancement, we observe no effect of the metal nanoparticle on the fluorescence emission energy of the complex. This result provides a way to control the optical properties of biomolecules via plasmon excitations in metal nanoparticles.

    Original languageEnglish
    Pages (from-to)S22-S25
    Number of pages4
    JournalActa Physica Polonica A
    Volume116
    Issue numberSUPPL
    Publication statusPublished - 2009

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