The electrical and optical performance of 2.7 mil thick, 8 cm*8 cm silicon wrapthrough solar cells is described. These cells are desirable for spacecraft requiring lightweight, radiation resistant cells. Modeling of the radiation stability of BSF (back surface field) cells indicates that 80% of the power is retained after exposure to 6*1014 1 MeV electrons/cm2. Modeling performed on the beginning-of-life performance yields an ideal efficiency of 14% for the BSF and 14.7% for the BSFR (back surface field with reflector) cells. The best BSF and BSFR cell efficiencies measured are 13.7% and 14.1%, respectively, at AM0 28 degrees C. It is shown that the difference between the ideal and actual performances is due to series resistance and a higher than expected back surface recombination velocity.


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    Title :

    Development of 2.7 mil BSF and BSFR silicon wrapthrough solar cells


    Additional title:

    Entwicklung von 2,7 mil BSF und BSFR Silizium-Wrapthrough-Solarzellen


    Contributors:
    Mason, A.V. (author) / Kululka, J.R. (author) / Bunyan, S.M. (author) / Woods, L.M. (author)


    Publication date :

    1990


    Size :

    5 Seiten, 3 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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