Vol. 46, Issue 4, pp. 629-637
Keywords
spatially separated electron and holes, quantum dots, binding energy, Coulomb and exchange interaction
Abstract
The effect of a significant increase in the binding energy of the singlet ground state of an excitonic quasimolecule consisting of two CdS quantum dots, in comparison with the binding energy of a biexciton in a single crystal of CdS (almost by two orders of magnitude), has been found.