Ternary semitransparent organic solar cells with a laminated top electrode

Tinted and colour-neutral semitransparent organic photovoltaic elements are of interest for building-integrated applications in windows, on glass roofs or on facades. We demonstrate a semitransparent organic photovoltaic cell with a dry-laminated top electrode that achieves a uniform average visible transmittance of 51% and a power conversion efficiency of 3%. The photo-active material is based on a majority blend composed of a visibly absorbing donor polymer and a fullerene acceptor, to which a selective near-infrared absorbing cyanine dye is added as a minority component. Our results show that organic ternary blends are attractive for the fabrication of semitransparent solar cells in general, because a guest component with a complementary absorption can compensate for the inevitably reduced current generation capability of a high-performing binary blend when applied as a thin, semitransparent film. [GRAPHICS] .


Published in:
Science And Technology Of Advanced Materials, 18, 1, 68-75
Year:
2017
Publisher:
Abingdon, Taylor & Francis Ltd
ISSN:
1468-6996
Keywords:
Laboratories:




 Record created 2017-02-17, last modified 2018-01-28


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