Title:
Implied-V(oc) and Suns-V(oc) Measurements in Multicrystalline Solar Cells
Implied-V(oc) and Suns-V(oc) Measurements in Multicrystalline Solar Cells
Author(s)
Bowden, S.
Yelundur, Vijay
Rohatgi, Ajeet
Yelundur, Vijay
Rohatgi, Ajeet
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Abstract
Identifying loss mechanisms and predicting device performance are key goals of device and process characterization. Photoconductance measurements allow
the extraction of the Implied V(oc) and Suns V(oc), which together can be used for process monitoring, for loss analysis and to identify the potential device performance
in the absence of unwanted defects. In this paper, we measure the Implied V(oc) and Suns V(oc) from solar cells with a range of different substrates and at different stages
in processing. These measurements are used to analyze the correlation with the actual V(oc) to determine the impact of both non-idealities such as depletion region
recombination, and expected effects such as lifetime changes, both during processing and in the final devices.
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Date Issued
2002-05
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Text
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Proceedings