Abstract
AbstractExperimental and theoretical investigations of luminescence spectra kinetics are carried out in CuI, CdS, and CdSe crystals at concentrations below the Mott threshold. The observed radiation is shown to be due to exciton‐phonon‐plasmon interaction caused by the coexistence of excitons and an electron‐hole plasma (EHP) during the time interval shorter than the time, necessary for the EHP to undergo the transition into the gas of excitons. It is found that the inhomogeneous distribution of excitons and EHP is developing in a crystal despite the initially homogeneous excitation. Theoretical lineshape analysis of exciton‐phonon‐plasmon luminescence is shown to be able to provide information of its spatial distribution.
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