Question

Radiative recombination and nonradiative recombination

Answer 1

RELATIVE COMBINATION: A combination is a selection of all or part of a set of objects,without regard to the order in which the objects are selected...

Answer 2

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Recombination mechanisms can in general be classified into two groups, radiative and nonradiative. Radiative recombination occurs when an electron in the conduction band recombines with a hole in the valence band and the excess energy is emitted in the form of a photon.