Bulg. J. Phys. vol.45 no.3 (2018), pp. 255-263



Charge Transfer Excitons in a Simple Hexagonal 2D Lattice

I.J. Lalov
Faculty of Physics, University of Sofia, 1164 Sofia, Bulgaria
Abstract. The paper treats a model of Charge Transfer Excitons (CTEs) in a simple hexagonal two-dimensional lattice. The symmetry governed combinations of CTEs and the excitonic spectra of pure CTEs have been analyzed. The coupling of CTEs and Frenkel excitons and corresponding equations for the spectra of the coupled excitons with nonvanishing transition dipole moments have been studied.

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