Essential State Model for Two-Photon Absorption Spectra of Polymethine Dyes

Authors

  • Dr. Cristina Sissa,

    1. Dipartimento di Chimica GIAF and INSTM UdR-Parma, Università di Parma, Parco Area delle Scienze 17/a, 43124 Parma (Italy)
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  • Dr. Peyman Mohamadzadeh Jahani,

    1. Department of Chemistry, Faculty of Science, University of Sistan and Baluchestan, P.O. Box 98135-674, Zahedan (Iran)
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  • Prof. Zoltán G. Soos,

    1. Department of Chemistry, Princeton University, Frick Laboratory, 356, Princeton, NJ 08544 (USA)
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  • Prof. Anna Painelli

    Corresponding author
    1. Dipartimento di Chimica GIAF and INSTM UdR-Parma, Università di Parma, Parco Area delle Scienze 17/a, 43124 Parma (Italy)
    • Dipartimento di Chimica GIAF and INSTM UdR-Parma, Università di Parma, Parco Area delle Scienze 17/a, 43124 Parma (Italy)
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Abstract

A four essential-state model is proposed for a detailed description of optical spectra of a family of anionic polymethine dyes. Extensive spectroscopic data from the literature are quantitatively described within a model that accounts for non-adiabatic electron-vibration coupling and for polar solvation.

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