“…23 As L is proportional to the square root of lifetime and depends linearly on t, 22,23,26 the inverse CL intensity, 1 / I, which is also proportional to (larger determines longer nonequilibrium carrier stay in the band, and, as a result, lower rate of recombination), should depend on duration of electron injection quadratically. 23 As L is proportional to the square root of lifetime and depends linearly on t, 22,23,26 the inverse CL intensity, 1 / I, which is also proportional to (larger determines longer nonequilibrium carrier stay in the band, and, as a result, lower rate of recombination), should depend on duration of electron injection quadratically.…”