Trapping light with micro lenses in thin film organic photovoltaic cells

Tvingstedt, KristoferLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan (författare)

On the day of the defence date the status of this article was: In Manuscript.
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%.

Dal Zilio, SimoneCNR-Istituto Nazionale per la Fisica della Materia, Laboratorio Nazionale TASC Area Science Park - Basovizza S.S.14 I-34012 (TS), Italy (författare)
Inganäs, OlleLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan(Swepub:liu)ollin59 (författare)
Tormen, MassimoCNR-Istituto Nazionale per la Fisica della Materia, Laboratorio Nazionale TASC Area Science Park - Basovizza S.S.14 I-34012 (TS), Italy (författare)
Linköpings universitetBiomolekylär och Organisk Elektronik (creator_code:org_t)

Av författaren/redakt...: Tvingstedt, Kris ...; Dal Zilio, Simon ...; Inganäs, Olle; Tormen, Massimo

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