Discuss internal quantum efficiency of LED. How it is maximized?
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An LED with 250% peak quantum efficiency. ... In an ideal world, every injected electron results in the emission of a photon, giving 100% quantum efficiency. However, the transfer of electrical to optical energy is always accompanied by losses both of electrons and of photons.
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The fraction of electrons that are injected into the depletion layer which results in photons getting produced is knkwn as the internal quantum effeciency of LED.
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