High-flux characterization of ultrasmall multijunction concentrator solar cells

Omer Korech, Baruch Hirsch, Eugene A. Katz, Jeffrey M. Gordon

    Research output: Contribution to journalArticlepeer-review

    38 Scopus citations

    Abstract

    A characterization study of ultrasmall ultraefficient multijunction concentrator solar cells is presented, with emphasis on performance sensitivity to light intensity and distribution. Information of this type is essential in the design and optimization of the latest generations of high-flux photovoltaic systems. Cell miniaturization allows increasing the concentration at which efficiency peaks, facilitates passive heat rejection, and permits the use of all-glass optics. However, few device measurements have been published on ultrasmall cells. Extensive measurements, up to ∼5000 suns, on the 1.0 mm2 active region within the busbars are reported and analyzed.

    Original languageEnglish
    Article number064101
    JournalApplied Physics Letters
    Volume91
    Issue number6
    DOIs
    StatePublished - 17 Aug 2007

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

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