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All-silicon spherical-Mie-resonator photodiode with spectral response in the infrared region

Autor
Garin, M.; Fenollosa, R.; Alcubilla, R.; Shi, L.; Marsal, L. F.; Meseguer, F.
Tipus d'activitat
Article en revista
Revista
Nature communications
Data de publicació
2014-03-10
Volum
5
Número
3440
Pàgina inicial
1
Pàgina final
6
DOI
https://doi.org/10.1038/ncomms4440 Obrir en finestra nova
Projecte finançador
Nanolight.es ¿ Light Control on the Nanoscale
Nanophotonics for Energy Efficiency
Repositori
http://hdl.handle.net/2117/24781 Obrir en finestra nova
URL
http://dx.doi.org/10.1038/ncomms4440 Obrir en finestra nova
Resum
Silicon is the material of choice for visible light photodetection and solar cell fabrication. However, due to the intrinsic band gap properties of silicon, most infrared photons are energetically useless. Here, we show the first example of a photodiode developed on a micrometre scale sphere made of polycrystalline silicon whose photocurrent shows the Mie modes of a classical spherical resonator. The long dwell time of resonating photons enhances the photocurrent response, extending it into the ...
Citació
Garin, M. [et al.]. All-silicon spherical-Mie-resonator photodiode with spectral response in the infrared region. "Nature communications", 10 Març 2014, vol. 5, núm. 3440, p. 1-6.
Paraules clau
IR, Mie resonator, Spherical resonator, colloid, microsphere, photiode, silicon
Grup de recerca
MNT - Grup de Recerca en Micro i Nanotecnologies

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