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Advanced hybrid plasmonic nano-emitters using smart photopolymer

Abstract : The integration of nano-emitters into plasmonic devices with spatial control and nanometer precision has become a great challenge. In this paper, we report on the use of a smart polymer for selectively immobilizing nano-emitters on specific preselected sites of gold nanocubes (GNC). The cunning use of the polymer is twofold. First, it records both the selected site and the future emitters-GNC distance through plasmon-assisted photopolymerization. Second, because the polymer is chemically functionalized, it makes it possible to attach the nano-emitters right at the preselected polymerized sites which subsequently "recognize" the nano-emitters to get attached. Since the resulting active medium is a spatial memory of specific plasmonic modes, it is anisotropic, making the hybrid nanosources sensitive to light polarization. The ability to adjust their statistical average lifetime by controlling the thickness of the nanopolymer is demonstrated on two kinds of nano-emitters coupled to GNC: doped polystyrene nanospheres and semiconductor colloidal quantum dots.
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https://hal-cea.archives-ouvertes.fr/cea-03695970
Contributor : Serge Palacin Connect in order to contact the contributor
Submitted on : Friday, June 17, 2022 - 11:53:52 AM
Last modification on : Tuesday, August 23, 2022 - 3:21:50 AM

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Dandan Ge, Ali Issa, Safi Jradi, Christophe Couteau, Sylvie Marguet, et al.. Advanced hybrid plasmonic nano-emitters using smart photopolymer. Photonics research, 2022, 10 (7), pp.1552-1566. ⟨10.1364/PRJ.455712⟩. ⟨cea-03695970⟩

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