Determining the Voltage Dependence of the Light Generated Current in CuInSe2-Based Solar Cells Using I-V Measurements Made at Different Light Intensities

    Research output: Contribution to conferencePaper

    Abstract

    As the bandgap of CuInSe2 is increased by alloying with Ga or S, the loss in efficiency due to the decrease of light generated current with increasing voltage becomes important. The standard technique of quantifying this loss is to analyze spectral response measurements made as a function of applied voltage. Instead, it is shown how to determine the voltage dependence of the light generatedcurrent by an analysis of the current-voltage (I-V) measurements made at two different light intensities. By adding an I-V measurement at a third light intensity one can also determine if the analysis technique is valid.
    Original languageAmerican English
    Pages463-466
    Number of pages4
    DOIs
    StatePublished - 1997
    EventTwenty Sixth IEEE Photovoltaic Specialists Conference - Anaheim, California
    Duration: 29 Sep 19973 Oct 1997

    Conference

    ConferenceTwenty Sixth IEEE Photovoltaic Specialists Conference
    CityAnaheim, California
    Period29/09/973/10/97

    Bibliographical note

    Work performed by University of Delaware, Newark, Deleware

    NREL Publication Number

    • NREL/CP-520-24970

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