for opcal absorpon excess carriers are created in

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Unformatted text preview: 2 ( E ) f2 ( E ) × N1 ( E )[1 − f1 ( E )] = R2→1 so N1 ( E ) f1 ( E ) N 2 ( E ) − N1 ( E ) f1 ( E ) N 2 ( E ) f2 ( E ) = N 2 ( E ) f2 ( E ) N1 ( E ) − N 2 ( E ) f2 ( E ) N1 ( E ) f1 ( E ) 1 multiplying through by : N1 ( E ) N 2 ( E ) f1 ( E ) − f1 ( E ) f2 ( E ) = f2 ( E ) − f2 ( E ) f1 ( E ) therefore f1 ( E ) = f2 ( E ) and 1 1 dE F = ⇒ EF 1 = EF 2 =0 1 + e( E − EF 1 )/kT 1 + e( E − EF 2 )/kT dx 11 Establishing Equilibrium E Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉Ÿ༉ Ÿ༉Ÿ༉ Ÿ༉Ÿ༉Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉Ÿ༉ Ÿ༉ High Carrier Concentration Ÿ༉ Ÿ༉ Ÿ༉ Low Carrier Concentration Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉Ÿ༉ Ÿ༉ Ÿ༉Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Carrier Diffusion (pre equilibrium) Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉ Ÿ༉Ÿ༉ Ÿ༉Ÿ༉...
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This note was uploaded on 03/06/2014 for the course ECE 340 taught by Professor Leburton during the Spring '11 term at University of Illinois, Urbana Champaign.

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