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Solar cell open circuit voltage and bandgap

  1. Mar 28, 2013 #1
    Hello Forum,

    if we take a silicon solar cell, the open circuit voltage is about 0.5V.

    the current increases as the solar cell area and illumination increases.

    But the 0.5 V output voltage does not change as the area and illumination level vary....Why?

    It must have something to do with the bandgap...

    Thanks,
    fisico30
     
  2. jcsd
  3. Mar 28, 2013 #2
    The open circuit voltage is characteristics of solar cell (specically for P-n junction solar cell) which depend only on the material parameters.
     
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