Radiative Recombination

Radiative recombination is a form of efficiency loss in a solar cell.

This process occurs when the electron falls from a semiconductor’s conduction band to the valence band and gives off its energy in the form of light. This is what we want to happen in LED’s, but not in solar panels. This recombination is not typically a problem in silicon, but it can be an issue in other semiconductors used to make solar cells.

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