Office of Energy Efficiency & Renewable Energy – Recombination

The action of a free electron falling back into a hole.  Recombination processes are either radiative, where the energy of recombination results in the emission of a photon, or nonradiative, where the energy of recombination is given to a second electron which then relaxes back to its original energy by emitting phonons.  Recombination can take place in the bulk of the semiconductor, at the surfaces, in the junction region, at defects, or between interfaces.


Source: Energy.gov.
Image: Unsplash.

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