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Tailor-made directional emission in nanoimprinted plasmonic-based light-emitting devices

Opened Access Tailor-made directional emission in nanoimprinted plasmonic-based light-emitting devices

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Autor: Lozano Barbero, Gabriel Sebastián
Grzela, G.
Verschuuren, Marc A.
Ramezani, M.
Gómez Rivas, J.
Fecha: 2014
Publicado en: Nanoscale, 6, 9223-.
Tipo de documento: Artículo
Resumen: We demonstrate an enhanced and tailor-made directional emission of light-emitting devices using nanoimprinted hexagonal arrays of aluminum nanoparticles. Fourier microscopy reveals that the luminescence of the device is not only determined by the material properties of the organic dye molecules but is also strongly influenced by the coherent scattering resulting from periodically arranged metal nanoparticles. Emitters can couple to lattice-induced hybrid plasmonic–photonic modes sustained by plasmonic arrays. Such modes enhance the spatial coherence of an emitting layer, allowing the efficient beaming of the emission along narrow angular and spectral ranges. We show that tailoring the separation of the nanoparticles in the array yields an accurate angular distribution of the emission. This combination of large-area metal nanostructures fabricated by nanoimprint lithography and light-emitting devices is beneficial for the design and optimization of solid-state lighting systems.
Cita: Lozano Barbero, G.S., Grzela, G., Verschuuren, M.A., Ramezani, M. y Gómez Rivas, J. (2014). Tailor-made directional emission in nanoimprinted plasmonic-based light-emitting devices. Nanoscale, 6, 9223-.
Tamaño: 600.8Kb
Formato: PDF

URI: https://hdl.handle.net/11441/81480

DOI: 10.1039/c4nr01391c

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