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Use of material with a modified surface topography in devices for generating an electric current from incident light

Authors: Postigo, Pablo Aitor; Martínez Rodríguez, Luis Javier; Rodríguez Alija, Alfonso; Briones Fernández-Pola, Fernando; González Díez, Yolanda; González Sotos, Luisa; Andreani, Lucio C.; +6 Authors

Use of material with a modified surface topography in devices for generating an electric current from incident light

Abstract

La invención es basada en la observación de los inventores que la modificación de la topografía de la superficie de materiales de tipo a través de la creación de una red ordenada de las cavidades llenadas con otro material de tipo con un diferente índice de refracción genera a bandas photonic en la superficie del material que alteran el índice de refracción del material de tipo en el cual dijo el son de las cavidades creado. Dependiendo del ángulo de incidencia y de la longitud de onda de la luz, este cambio en bote del índice de refracción facilita o inhibe la transmisión y la reflexión de la luz. En base de esta propiedad observada nueva, la topografía de una célula solar fue modificada creando una red ordenada de las cavidades llenadas con aire, y fue confirmado que había una generación creciente de electricidad de la luz incidente que en una célula solar con las mismas características pero sin una topografía modificada de la superficie.

The invention is based on the observation by the inventors that modification of the surface topography of materials through the creation of an ordered network of cavities filled with another material with a different refractive index generates photonic bands at the surface of the material that alter the refractive index of the material on which said cavities are created. Depending on the angle of incidence and the wavelength of the light, this change in refractive index can facilitate or inhibit the transmission and reflection of the light. On the basis of this new observed property, the topography of a solar cell was modified by creating an ordered network of cavities filled with air, and it was confirmed that there was an increased generation of electricity from incident light than in a solar cell with the same characteristics but without a modified surface topography.

Fecha de solicitud: 05-11-2009.- Titular: Consejo Superior de Investigacioones Científicas (CSIC)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green