Quantum theory of solid-state excimers: Eigenstates and transition rates

Ten-Ming Wu*, David W. Brown, Katja Lindenberg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


We present a model of excited-state dynamics in dimerized molecular crystals such as α-perylene. The essential element of the exciton-phonon interaction in this case is the modulation of resonance integrals by the relative motion of the molecules engaging in excitation transfer. Eigenstates are found for a substantial part of the model Hamiltonian and a small remainder is treated perturbatively. The eigenstates are identified with the excimer and Y states found in α-perylene, and a fit of experimental data is performed on this basis. Experimental quantities considered include Stokes shifts, Y-state lifetime, and fluorescence linewidths.

Original languageEnglish
Pages (from-to)10122-10134
Number of pages13
JournalPhysical Review B
Issue number16
StatePublished - 1 Jan 1993


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