Answered: A pn GaAs LED material has mean… | bartleby

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A pn GaAs LED material has mean lifetime
of radiative and non-radiative recombinations as
100 ns.
2). What is the internal quantum efficiency of this
LED?
b) If above LED is foward biased with a corrent of
120mA and voltage 1.5V; and if the emitted photons have
energy =
1=1.43ev, calculate the internal power efficiency.
of the olevice

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