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Photonic-crystal silicon-nanocluster light-emitting device (Articolo in rivista)

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Photonic-crystal silicon-nanocluster light-emitting device (Articolo in rivista) (literal)

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Presti, CD; Irrera, A; Franzo, G; Crupi, I; Priolo, F; Iacona, F; Di Stefano, G; Piana, A; Sanfilippo, D; Fallica, PG (2006)
Photonic-crystal silicon-nanocluster light-emitting device
in Applied physics letters
(literal)

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Presti, CD; Irrera, A; Franzo, G; Crupi, I; Priolo, F; Iacona, F; Di Stefano, G; Piana, A; Sanfilippo, D; Fallica, PG (literal)

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Catania Univ, MATIS, CNR, INFM, I-95123 Catania, Italy; Catania Univ, Dipartimento Fis & Astron, I-95123 Catania, Italy; CNR, IMM, I-95121 Catania, Italy; STMicroelect, MLD R&D, I-95121 Catania, Italy (literal)

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Abstract

We report on enhanced light extraction from a light-emitting device based on amorphous silicon nanoclusters, suitable for very-large-scale integration, and operating at room temperature. Standard low-cost optical lithography is employed to fabricate a two-dimensional photonic crystal onto the device. We measured a vertical emission with the extracted radiation enhanced by over a factor of 4, without the aid of any buried reflector. These achievements demonstrate that a cost-effective exploitation of photonic crystals is indeed within the reach of semiconductor industry and open the way to a new generation of nanostructured silicon devices in which photonic and electronic functions are integrated together. (literal)

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