Purcell effect of nanoshell dimer on single molecule’s fluorescence | Zendy

JiunnWoei Liaw | Zendy; Jeng-Hong Chen | Zendy; Chi-San Chen | Zendy; MaoKuen Kuo | Zendy

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Purcell effect of nanoshell dimer on single molecule’s fluorescence

Author(s) -

JiunnWoei Liaw,

Jeng-Hong Chen,

Chi-San Chen,

MaoKuen Kuo

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.013532

Subject(s) - nanoshell , dimer , fluorescence , materials science , molecular physics , molecule , optics , excited state , atomic physics , chemistry , optoelectronics , physics , plasmon , nuclear magnetic resonance , organic chemistry

The Purcell effect of a nanoshell dimer on the fluorescence of a single molecule placed within the dimer's gap is studied. The numerical results show that the nanoshell dimer acts as an antenna, making the energy transfer from an excited molecule to the dimer more efficient, and as a lowpass filter for the radiation of fluorescence to the far field. Moreover, the enhancement factor of a nanoshell dimer on the fluorescence is much higher than that of a solid Au dimer in the longer-wavelength regime.

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