Authors
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Schnepf, M. J. ; Brasse, Y. ; Goßler, F. ; Steiner, A. M. ; Obermeier, J. ; Lippitz, M. ; Fery, A. ; König, T.
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Title
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Single particle spectroscopy of radiative processes in colloid-to-film-coupled nanoantennas
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Date
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14.04.2018
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Number
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54420
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Abstract
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We present a fluorescent emitter (rhodamine B) coupled to a dielectric or metallic interface as well as a metallic cavity to study their radiative decay processes. Supported by finite-difference time-domain (FDTD) simulations, we correlate the non-radiative and radiative decay rates with the absorption and scattering cross section efficiencies, respectively. On a single particle level, we use atomic force microscopy (AFM), scanning electron microscopy (SEM), scattering spectroscopy, fluorescence life time imaging (FLIM) and time-correlated single photon counting (TCSPC) to evaluate the enhanced fluorescence decay at the same location. With this study, we show a colloidal gain material, which can be integrated into lattices using existing directed self-assembled methods to study their coherent energy transfer.
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Publisher
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Zeitschrift für Physikalische Chemie
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Wikidata
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Citation
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Zeitschrift für Physikalische Chemie 232 (2018) 1593-1606
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DOI
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https://doi.org/10.1515/zpch-2018-1109
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Tags
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enhancement fluorescence life time metallic film nanoparticle quantum emitter spectroscopy
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