On the generation of charge carriers by exciton-exciton collisions in organic molecular crystals
- 10 July 1980
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 13 (19) , 3639-3648
- https://doi.org/10.1088/0022-3719/13/19/008
Abstract
The rate of generation of a free electron and a trapped hole due to the Coulomb interaction between charge carriers of two Frenkel excitons (one free and one trapped) is derived for molecular crystals by time dependent perturbation theory. Electron-lattice and spin-orbit interactions are neglected. The theory is finally applied to benzophenone single crystals where a transition rate approximately 109 cm-3 s-1 is obtained.Keywords
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