Properties of High Efficiency CIGS Thin Film Solar Cells

    Research output: Contribution to conferencePaper

    Abstract

    We present experimental results in three areas. Solar cells with an efficiency of 19% have been fabricated with an absorber bandgap in the range of 1.1-1.2 eV. Properties of solar cells fabricated with and without an undoped ZnO layer were compared. The data show that high efficiency cells can be fabricated without using the high-resisitivity or undoped ZnO layer. Properties of CIGS solar cellswere fabricated from thin absorbers (1 ?m) deposited by the three-stage process and simultaneous co-deposition of all the elements. In both cases, solar cells with efficiencies of 16%-17% are obtained.
    Original languageAmerican English
    Number of pages7
    StatePublished - 2005
    Event31st IEEE Photovoltaics Specialists Conference and Exhibition - Lake Buena Vista, Florida
    Duration: 3 Jan 20057 Jan 2005

    Conference

    Conference31st IEEE Photovoltaics Specialists Conference and Exhibition
    CityLake Buena Vista, Florida
    Period3/01/057/01/05

    NREL Publication Number

    • NREL/CP-520-37404

    Keywords

    • absorber bandgap
    • high efficiency
    • PV
    • solar cells
    • three-stage process
    • window layer structure

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