Effects of concentrated sunlight on organic photovoltaics

Thomas Tromholt; Eugene A. Katz; Baruch Hirsch; Alexis Vossier; Frederik C. Krebs

doi:10.1063/1.3298742

Effects of concentrated sunlight on organic photovoltaics

Thomas Tromholt, Eugene A. Katz, Baruch Hirsch, Alexis Vossier, Frederik C. Krebs

The Swiss Institute for Dryland Environmental and Energy Research

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

We report the effects of concentrated sunlight on key photovoltaic parameters and stability of organic photovoltaics (OPV). Sunlight collected and concentrated outdoors was focused into an optical fiber and delivered onto a 1_cm2 bulk-heterojunction cell. Sunlight concentration C was varied gradually from 0.2 to 27 suns. Power conversion efficiency exhibited slow increase with C that was followed by saturation around 2% at C=0.5-2.5 suns and subsequent strong reduction. Possible OPV applications in stationary solar concentrators (C2 suns) are discussed. Finally, experiments at C=55-58 suns demonstrated potential of our approach for accelerated studies of light induced mechanisms in the OPV degradation.

Original language	English
Article number	073501
Journal	Applied Physics Letters
Volume	96
Issue number	7
DOIs	https://doi.org/10.1063/1.3298742
State	Published - 1 Jan 2010

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3298742

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abstract = "We report the effects of concentrated sunlight on key photovoltaic parameters and stability of organic photovoltaics (OPV). Sunlight collected and concentrated outdoors was focused into an optical fiber and delivered onto a 1cm2 bulk-heterojunction cell. Sunlight concentration C was varied gradually from 0.2 to 27 suns. Power conversion efficiency exhibited slow increase with C that was followed by saturation around 2% at C=0.5-2.5 suns and subsequent strong reduction. Possible OPV applications in stationary solar concentrators (C2 suns) are discussed. Finally, experiments at C=55-58 suns demonstrated potential of our approach for accelerated studies of light induced mechanisms in the OPV degradation.",

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AU - Hirsch, Baruch

AU - Vossier, Alexis

AU - Krebs, Frederik C.

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AB - We report the effects of concentrated sunlight on key photovoltaic parameters and stability of organic photovoltaics (OPV). Sunlight collected and concentrated outdoors was focused into an optical fiber and delivered onto a 1cm2 bulk-heterojunction cell. Sunlight concentration C was varied gradually from 0.2 to 27 suns. Power conversion efficiency exhibited slow increase with C that was followed by saturation around 2% at C=0.5-2.5 suns and subsequent strong reduction. Possible OPV applications in stationary solar concentrators (C2 suns) are discussed. Finally, experiments at C=55-58 suns demonstrated potential of our approach for accelerated studies of light induced mechanisms in the OPV degradation.

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Effects of concentrated sunlight on organic photovoltaics

Abstract

ASJC Scopus subject areas

UN SDGs

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