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Issue 20, 2016
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Demonstration of fluorescence enhancement via Bloch surface waves in all-polymer multilayer structures

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Abstract

An all-polymer photonic structure constituted by a distributed Bragg reflector topped with an ultrathin fluorescent polymer film has been studied. A Bloch surface wave resonance has been exploited to improve pumping efficiency. A strongly polarization and angle dependent fluorescence signal is found with respect to the light pumping beam and the emitted wavelength. Matching the most favorable condition for the pump coupling and the collection geometry, the signal obtained from the structure appears to be two orders of magnitude larger than the one of the bare emitting film.

Graphical abstract: Demonstration of fluorescence enhancement via Bloch surface waves in all-polymer multilayer structures

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Article information


Submitted
11 Dec 2015
Accepted
25 Apr 2016
First published
28 Apr 2016

Phys. Chem. Chem. Phys., 2016,18, 14086-14093
Article type
Paper

Demonstration of fluorescence enhancement via Bloch surface waves in all-polymer multilayer structures

L. Fornasari, F. Floris, M. Patrini, D. Comoretto and F. Marabelli, Phys. Chem. Chem. Phys., 2016, 18, 14086
DOI: 10.1039/C5CP07660A

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