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Metallic nanostructures for efficient LED lighting

AutorLozano, Gabriel ; Rodríguez, Said RK; Verschuuren, Marc A.; Gómez-Rivas, Jaime
Palabras claveLight-emitting diodes;
Nanophotonics
Plasmonics
Solid-state lighting
Fecha de publicación2016
EditorNature Publishing Group
CitaciónLight: Science & Applications, 5, e16080; (2016)
ResumenLight-emitting diodes (LEDs) are driving a shift toward energy-efficient illumination. Nonetheless, modifying the emission intensities, colors and directionalities of LEDs in specific ways remains a challenge often tackled by incorporating secondary optical components. Metallic nanostructures supporting plasmonic resonances are an interesting alternative to this approach due to their strong light–matter interaction, which facilitates control over light emission without requiring external secondary optical components. This review discusses new methods that enhance the efficiencies of LEDs using nanostructured metals. This is an emerging field that incorporates physics, materials science, device technology and industry. First, we provide a general overview of state-of-the-art LED lighting, discussing the main characteristics required of both quantum wells and color converters to efficiently generate white light. Then, we discuss the main challenges in this field as well as the potential of metallic nanostructures to circumvent them. We review several of the most relevant demonstrations of LEDs in combination with metallic nanostructures, which have resulted in light-emitting devices with improved performance. We also highlight a few recent studies in applied plasmonics that, although exploratory and eminently fundamental, may lead to new solutions in illumination
Versión del editorhttp://dx.doi.org/10.1038/lsa.2016.80
URIhttp://hdl.handle.net/10261/134855
DOI10.1038/lsa.2016.80
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