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Article Dans Une Revue ChemPhysChem Année : 2019

Understanding Local-Field Correction Factors in the Framework of the Onsager-Bottcher Model

Résumé

The determination of the appropriate local‐field factor for quantifying the response of a molecule to an external electric field is of major importance in optical spectroscopy. Although numerous studies have dealt with the evolution of the optical properties of emitters as a function of their environment, the choice of the model used to quantify local fields is still ambiguous, and sometimes even arbitrary. In this paper, we review the Onsager–Böttcher model, which introduces the polarizability of the probe molecule as the determinant parameter for the local field factor, and we establish a simple conceptual framework encompassing all commonly used models. Finally, a discussion of published experimental research illustrates the potential of the measurement of local electric fields in dense dielectric media, as well as the subtleties involved in their interpretation.

Dates et versions

hal-02285883 , version 1 (13-09-2019)

Identifiants

Citer

A. Aubret, M. Orrit, Florian Kulzer. Understanding Local-Field Correction Factors in the Framework of the Onsager-Bottcher Model. ChemPhysChem, 2019, 20, pp.345-355. ⟨10.1002/cphc.201800923⟩. ⟨hal-02285883⟩
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