Charge-transfer exciton band structure in the fullerene crystal-model calculations

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Abstract

A three-dimensional analog of the Merrifield model of the coupling between Frenkel and charge-transfer (CT) excitons of the C60 fullerene crystal is presented. The model is based on the nearest-neighbor approximation for the off-diagonal interactions and is essentially nonempirical. The parameters are estimated from free-molecule data and from the results of theoretical calculations published by other authors. The band structure of CT excitons in C60 is calculated and discussed in the context of available experimental evidence. Residual ambiguities in the parametrization are removed by calculation of the electroabsorption spectrum and comparison with experiment, as described in the accompanying paper. © 1998 American Institute of Physics.

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Pac, B., Petelenz, P., Eilmes, A., & Munn, R. W. (1998). Charge-transfer exciton band structure in the fullerene crystal-model calculations. Journal of Chemical Physics, 109(18), 7923–7931. https://doi.org/10.1063/1.477626

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