High-flux characterization of ultra-efficient commercial 1 mm2 multi-junction solar cells

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

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    We present an experimental characterization study of high-efficiency ultra-small multi-junction concentrator solar cells. Particular emphasis is placed on the sensitivity of photovoltaic performance to the intensity and distribution of the concentrated sunlight delivered to the cell. This type of information is important in the design and optimization of the most recent generations of high-concentration photovoltaic systems. Miniaturizing the solar cell can give rise to an increase in the concentration value at which cell efficiency peaks, facilitates passive heat rejection and permits the use of all-glass optics. However, few measurements have been published for ultra-small cells. We report and analyze extensive measurements, up to approximately 5000 suns, on the 1.0 mm2 active region within the busbars of such commercial concentrator solar cells.

    Original languageEnglish
    Title of host publicationHigh and Low Concentration for Solar Electric Applications II
    DOIs
    StatePublished - 1 Dec 2007
    EventHigh and Low Concentration for Solar Electric Applications II - San Diego, CA, United States
    Duration: 26 Aug 200728 Aug 2007

    Publication series

    NameProceedings of SPIE - The International Society for Optical Engineering
    Volume6649
    ISSN (Print)0277-786X

    Conference

    ConferenceHigh and Low Concentration for Solar Electric Applications II
    Country/TerritoryUnited States
    CitySan Diego, CA
    Period26/08/0728/08/07

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering

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