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  1. 2 Acta Physica Polonica A

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  1. 1 1993

  2. 1 1991

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  1. 2 Eilmes A.

  2. 1 Petelenz P.

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Cluster Model of Charge Transfer Excitons in Molecular Crystals. II. Local Frenkel Excitons in Doped Crystals

100%
Eilmes A.
Acta Physica Polonica A
|
1993
|
vol. 84
|
issue 2
345-352
EN
Charge transfer induced local/resonance Frenkel exciton states in doped naphthalene crystals are investigated in terms of the cluster model, proposed in Paper I of this series. The effect of cluster size is studied in order to assess the physical relevance of the results. Possible methods of accounting for the random arrangement of the impurities are suggested and discussed.
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Cluster Model of Charge Transfer Excitons in Molecular Crystals. I. Neat Crystals

63%
Petelenz P., Eilmes A.
Acta Physica Polonica A
|
1991
|
vol. 79
|
issue 5
727-738
EN
A two-dimensional finite cluster model is proposed to describe the coupling of low energy charge transfer and Frenkel states of an anthracene-like molecular crystal. The results confirm most of the qualitative conclusions of the extensively used linear crystal model, but suggest the necessity to review some of its quantitative results. Potential usefulness of the cluster model for the description of doped crystals is pointed out.
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