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Effect of the mixing between Frenkel excitons and charge transfer states on charge carrier transfer in a linear molecular crystal
Author(s) -
Petelenz P.
Publication year - 1978
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220900223
Subject(s) - exciton , mixing (physics) , charge (physics) , charge carrier , crystal (programming language) , transfer (computing) , atomic physics , molecular physics , molecule , materials science , chemistry , physics , condensed matter physics , quantum mechanics , computer science , programming language , parallel computing
The previously proposed model of the mixing between Frenkel excitons and CT states is generalized for a linear model crystal to include the effect of the CT states from the immediate neighbourhood of the charge carrier in the direction of its propagation. The transfer of the charge carrier to one of the molecules involved in the CT state is taken into account. In contrast to the influence of more distant CT states, the effect yields the reduced value of the effective mass of the charge carrier. Some crude numerical estimates are given, and the possible experimental consequences are pointed out.