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Laboratoire de Nanotechnologie et dInstrumentation Optique, Institut Charles Delaunay, CNRS UMR 6281, Université de Technologie de Troyes, 12 rue Marie Curie, BP 2060, 10010 Troyes Cedex, France



These authors contributed equally to this work.





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Academic Editor: Dirk Poelman

Abstract We discuss a recently proposed novel photonic approach for enhancing the fluorescence of extremely thin chemosensing polymer layers. We present theoretical and experimental results demonstrating the concept of gain-assisted waveguided energy transfer G-WET on a very thin polymer nanolayer spincoated on an active ZnO thin film. The G-WET approach is shown to result in an 8-fold increase in polymer fluorescence. We then extend the G-WET concept to nanostructured media. The benefits of using active nanostructured substrates on the sensitivity and fluorescence of chemosensing polymers are discussed. Preliminary theoretical results on enlarged sensing surface and photonic band-gap are presented. View Full-Text

Keywords: luminescence; chemosensing; nanophotonics; energy transfer; zinc oxide luminescence; chemosensing; nanophotonics; energy transfer; zinc oxide





Autor: Roy Aad * , Christophe Couteau † and Gilles Lérondel †,*

Fuente: http://mdpi.com/



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