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Why ordinary silicon diode do not emit light?

hirariaz

Published: 08 Jun 2026 › Updated: 08 Jun 2026Why ordinary silicon diode do not emit light?

Why ordinary silicon diode do not emit light?

Reason....

        (1). It is opaque to ligh.


       (2). In ordinary silicon diodes, when electrons from n-side cross the junction and recombine with the holes on p_side ,greater percentage of energy is released in the form of heat. That's why they do not emit light.

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