Abstract
The capture cross section σ (R) for Donor-Acceptor Pairs (DAPs) with pair separation distance R is improved for the case of hot carriers by taking into account the LO-phonon interaction so that an energy dependend cross section σ(E k, R) results. This latter process, which is of importance for a non-equilibrium carrier distribution, yields a preferential occupation of close DAPs thus provoking a blue shift and a deformation of the main emission band if compared with line profiles where only thermalized carriers are involved.
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