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Differences in Two‐Photon and One‐Photon Absorption Profiles Induced by Vibronic Coupling: The Case of Dioxaborine Heterocyclic Dye
Author(s) -
Lin Na,
Luo Yi,
Ruud Kenneth,
Zhao Xian,
Santoro Fabrizio,
Rizzo Antonio
Publication year - 2011
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.201100500
Subject(s) - vibronic coupling , vibronic spectroscopy , absorption (acoustics) , two photon absorption , chemistry , coupling (piping) , spectroscopy , absorption spectroscopy , photochemistry , photon , molecular physics , materials science , optics , molecule , physics , organic chemistry , quantum mechanics , laser , metallurgy , composite material
A theoretical study of a dioxaborine heterocyclic compound in solution provides a case study for an analysis of the effects induced by the so‐called Herzberg–Teller (HT) vibronic coupling on the one‐ (OPA) and two‐photon absorption (TPA) spectra. For TPA, the HT vibronic coupling induces differences in the shapes of the absorption band. The study highlights the importance of vibronic coupling as a potentially important mechanism in absorption spectroscopy, able to explain differences in the OPA/TPA spectra.