Metal-enhanced fluorescence from zinc substrates can lead to spectral distortion and a wavelength dependence

Metal-enhanced fluorescence from zinc substrates can lead to spectral distortion and a wavelength dependence

Metal-enhanced fluorescence enhancement factors up to 7-fold have been observed for Basic Fuchsin (BF) in close proximity to Zinc nano particulate substrates. In addition, the emission spectra of BF close-to Zinc as compared to a control sample are heavily distorted, particularly on the red-edge, gi...

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Veröffentlicht in:Applied physics letters 2015-02, Vol.106 (8)
Hauptverfasser: Hamo, Hilla Ben, Karolin, Jan, Mali, Buddha, Kushmaro, Ariel, Marks, Robert, Geddes, Chris D.
Format: Artikel
Sprache:eng
Schlagworte:
Applied physics
Dependence
Emission spectra
Fluorescence
Substrates
Zinc
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Zusammenfassung:Metal-enhanced fluorescence enhancement factors up to 7-fold have been observed for Basic Fuchsin (BF) in close proximity to Zinc nano particulate substrates. In addition, the emission spectra of BF close-to Zinc as compared to a control sample are heavily distorted, particularly on the red-edge, giving systematic trends in enhancement, anywhere from 3- to 7-fold. We discuss these remarkable wavelength dependent effects with regard to the mechanism of metal-enhanced fluorescence.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4913671