Electronic spectra and excited-state dynamics of 4-fluoro-N,N- dimethylaniline

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DOIResolve DOI: http://doi.org/10.1016/j.cplett.2013.09.028
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TypeArticle
Journal titleChemical Physics Letters
ISSN0009-2614
Volume586
Pages7075; # of pages: 6
SubjectDual fluorescence; Electronic spectrum; Electronic transition; Excited-state dynamics; Intramolecular charge transfers; Room temperature; Thermal equilibriums; Twisted intra-molecular charge transfers; Physical chemistry; Charge transfer
AbstractConcerted ultrafast time-resolved spectroscopic experiments and ab initio computational (TDDFT) studies of the electronic transitions of 4-fluoro-N,N-dimethylaniline (FDMA) have been performed to investigate the mechanism of photo-induced intramolecular charge transfer (ICT). The compound FDMA shows dual fluorescence from a ππ state and a closely-lying twisted intramolecular charge transfer (TICT) state in both n-hexane and acetonitrile. The very similar lifetimes observed for the two emission bands indicate that the ππ* and the TICT states are effectively in thermal equilibrium at room temperature.
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LanguageEnglish
AffiliationSecurity and Disruptive Technologies; National Research Council Canada
Peer reviewedYes
NPARC number21270387
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Record identifier02a63f88-05c4-415e-99e6-57f4aef8c2a4
Record created2014-02-06
Record modified2016-05-09
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