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Apr 6 at 19:43 vote accept Abe
Apr 6 at 15:24 comment added freecharly @Abe Yes, in the intrinsic thermal equilibrium case, with intrinsic equal electron and hole concentrations, this should be the characteristic mean time ("lifetime") it would take an electron or a hole to recombine. The inverse of this time is the probability per unit time for an electron or hole to recombine.
Apr 6 at 5:03 comment added Abe Let's say that an intrinsic material is in thermal equilibrium with generation rate (g) equals recombination rate (R) assuming only band-to-band recombination/generation. Wouldn't the lifetime for both holes and electrons be simply$\tau=\frac{n_{0}}{g}=\frac{p_0}{R}$ where p0 and n0 are the equilibrium carrier concentrations?
Apr 5 at 17:30 history edited freecharly CC BY-SA 4.0
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Apr 5 at 16:38 history edited freecharly CC BY-SA 4.0
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Apr 5 at 16:12 history answered freecharly CC BY-SA 4.0