http://www.cnr.it/ontology/cnr/individuo/prodotto/ID4007

Trapping light with micro lenses in thin film organic photovoltaic cells (Articolo in rivista)

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Trapping light with micro lenses in thin film organic photovoltaic cells (Articolo in rivista) (literal)

Anno

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Tvingstedt, K; Dal Zilio, S; Inganas, O; Tormen, M (2008)
Trapping light with micro lenses in thin film organic photovoltaic cells
in Optics express
(literal)

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\"[Tvingstedt, Kristofer; Inganaes, Olle] Linkoping Univ, IFM, Ctr Organ Elect, SE-58183 Linkoping, Sweden; [Dal Zilio, Simone; Tormen, Massimo] Ist Nazl Fis Mat, CNR, Lab Nazl TASC, I-34012 Trieste, TS, Italy (literal)

Titolo

Trapping light with micro lenses in thin film organic photovoltaic cells (literal)

Abstract

We demonstrate a novel light trapping configuration based on an array of micro lenses in conjunction with a self aligned array of micro apertures located in a highly reflecting mirror. When locating the light trapping element, that displays strong directional asymmetric transmission, in front of thin film organic photovoltaic cells, an increase in cell absorption is obtained. By recycling reflected photons that otherwise would be lost, thinner films with more beneficial electrical properties can effectively be deployed. The light trapping element enhances the absorption rate of the solar cell and increases the photocurrent by as much as 25%. (C) 2008 Optical Society of America (literal)

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