Junction Mechanisms in CdS/CdTe Solar Cells

    Research output: Contribution to conferencePaper


    Shockley-Read-Hall (SRH) recombination theory has been used to describe the performance of CdTe solar cells. The recombination center profile dominates performance and is found to vary significantly among devices with nominally the same efficiency. For most devices the profile results in a voltage dependent diode factor rather than a single A,JO pair that can describe performance. The observednarrow range for Voc of 0.83 -0.85 volts for high efficiency devices is attributed to two effects: the containment of the recombination centers between the imrefs and a proposed correlation betweeen Vbi and the recombination center density.
    Original languageAmerican English
    Number of pages4
    StatePublished - 1996
    EventTwenty Fifth IEEE Photovoltaic Specialists Conference - Washington, D.C.
    Duration: 13 May 199617 May 1996


    ConferenceTwenty Fifth IEEE Photovoltaic Specialists Conference
    CityWashington, D.C.

    Bibliographical note

    Work performed by the University of South Florida, Tampa, Florida

    NREL Publication Number

    • NREL/CP-22430


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