Density of exciton states in one-dimensional disordered molecular crystals |
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Authors: | J Klafter J Jortner |
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Institution: | Department of Chemistry, Tel-Aviv University, Tel-Aviv, Israel |
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Abstract: | We investigate the effects of structural disorder on the exciton density of states of molecular crystals, utilizing an exact soluble model which involves correlated Lorentzian distributions of both the site-excitation energies and the transfer integrals. Off-diagonal disorder results in asymmetric density of states functions, the asymmetry being prominent for one-dimensional exciton band structure. |
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