A polaron mechanism for the Y and E states of excimer crystals

Ten-Ming Wu; David W. Brown; Katja Lindenberg

doi:10.1016/0022-2313(90)90158-8

A polaron mechanism for the Y and E states of excimer crystals

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

^*Corresponding author for this work

Institute of Physics

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

We present a model of excimer formation in dimerized materials such as α-perylene. Exact diagonalization of a model Hamiltonian identifies the Y and E states inferred from excimer fluorescence spectra with antisymmetric and symmetric pair states of an exciton confined to a dimer. Our model gives rise to a phonon-assisted transition between the Y and E states which, through an application of the Fermi golden rule, is found to be thermally activated, consistent with experimental findings.

Original language	English
Pages (from-to)	245-247
Number of pages	3
Journal	Journal of Luminescence
Volume	45
Issue number	1-6
DOIs	https://doi.org/10.1016/0022-2313(90)90158-8
State	Published - 1 Jan 1990

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title = "A polaron mechanism for the Y and E states of excimer crystals",

abstract = "We present a model of excimer formation in dimerized materials such as α-perylene. Exact diagonalization of a model Hamiltonian identifies the Y and E states inferred from excimer fluorescence spectra with antisymmetric and symmetric pair states of an exciton confined to a dimer. Our model gives rise to a phonon-assisted transition between the Y and E states which, through an application of the Fermi golden rule, is found to be thermally activated, consistent with experimental findings.",

author = "Ten-Ming Wu and Brown, {David W.} and Katja Lindenberg",

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T1 - A polaron mechanism for the Y and E states of excimer crystals

AU - Wu, Ten-Ming

AU - Brown, David W.

AU - Lindenberg, Katja

PY - 1990/1/1

Y1 - 1990/1/1

N2 - We present a model of excimer formation in dimerized materials such as α-perylene. Exact diagonalization of a model Hamiltonian identifies the Y and E states inferred from excimer fluorescence spectra with antisymmetric and symmetric pair states of an exciton confined to a dimer. Our model gives rise to a phonon-assisted transition between the Y and E states which, through an application of the Fermi golden rule, is found to be thermally activated, consistent with experimental findings.

AB - We present a model of excimer formation in dimerized materials such as α-perylene. Exact diagonalization of a model Hamiltonian identifies the Y and E states inferred from excimer fluorescence spectra with antisymmetric and symmetric pair states of an exciton confined to a dimer. Our model gives rise to a phonon-assisted transition between the Y and E states which, through an application of the Fermi golden rule, is found to be thermally activated, consistent with experimental findings.

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U2 - 10.1016/0022-2313(90)90158-8

DO - 10.1016/0022-2313(90)90158-8

M3 - Article

AN - SCOPUS:0025228271

VL - 45

SP - 245

EP - 247

JO - Journal of Luminescence

JF - Journal of Luminescence

SN - 0022-2313

IS - 1-6

ER -

A polaron mechanism for the Y and E states of excimer crystals

Abstract

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