Which outcome results when a germanium semiconductor crystal exhibits significant lattice defects when quantum dots are substituted?

💡 Explanation

Increased electron-hole recombination will occur because lattice defects introduce energy levels within the bandgap, facilitating non-radiative electron-hole recombination; this **enhanced electron-phonon coupling** drives a higher recombination rate, therefore leading to reduced carrier lifetimes rather than enhanced conductivity because these defects serve as recombination centers.

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