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Efficiency increase of organic solar cells with emissive light-in-coupling layers

 
: Beyer, Beatrice; Leo, Karl

:

Journal of materials chemistry. C, Materials for optical and electronic devices 3 (2015), No.41, pp.10830-10836
ISSN: 2050-7526
ISSN: 2050-7534
English
Journal Article
Fraunhofer FEP ()
solar cells

Abstract
Top-absorbing organic solar cells with a light incoupling layer allowing the exposure of harmful UVirradiation have been fabricated. Short-wavelength light is absorbed by the down-shifting systemAlq3:DCM located in the light incoupling layer of top-absorbing organic solar cells and is converted intolonger wavelengths. This red light is then absorbed by a ZnPc:C60 bulk heterojunction solar cell,showing a total power efficiency increase by more than 10% related to additional photocurrentgenerated by this architectural concept.

: http://publica.fraunhofer.de/documents/N-364408.html