We report on the development of light-trapping architectures applied to thin-film solar cells. In particular, we focus on enhancing the absorption at 1-eV spectral range for dilute nitride and quantum dot materials and report on the influence of planar back reflectors on the photovoltaic properties. Moreover, we discuss the properties of polymer diffraction gratings with enhanced light-trapping capability pointing to advantageous properties of pyramidal gratings. In order to understand the suitability of these polymer grating architectures for space applications, we have performed an electron irradiation study (1 MeV) revealing the absence of reflectance changes up to doses of 1×1015 e-/cm2.


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    Titel :

    Back Reflector with Diffractive Gratings for Light-Trapping in Thin-Film III-V Solar Cells


    Beteiligte:
    Aho, Timo (Autor:in) / Tukiainen, Antti (Autor:in) / Elsehrawy, Farid (Autor:in) / Ranta, Sanna (Autor:in) / Raappana, Marianna (Autor:in) / Aho, Arto (Autor:in) / Isoaho, Riku (Autor:in) / Cappelluti, Federica (Autor:in) / Guina, Mircea (Autor:in)


    Erscheinungsdatum :

    30.09.2019


    Format / Umfang :

    544493 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch