Nanophotonics: Energy Transfer towards Enhanced Luminescent Chemosensing

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.
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Submitted on : Friday, August 23, 2019 - 10:46:24 AM
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Roy Aad, Christophe Couteau, Gilles Lerondel. Nanophotonics: Energy Transfer towards Enhanced Luminescent Chemosensing. Materials, MDPI, 2015, 8 (4), pp.1682-1703. ⟨10.3390/ma8041682⟩. ⟨hal-02269671⟩



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