Excited State Dynamics of Isolated 6- and 8-Hydroxyquinoline Molecules.
ab initio calculations
excited state dynamics
hydroxyquinoline
photoinduced proton transfer
time-resolved relaxation dynamics
Journal
Chemphyschem : a European journal of chemical physics and physical chemistry
ISSN: 1439-7641
Titre abrégé: Chemphyschem
Pays: Germany
ID NLM: 100954211
Informations de publication
Date de publication:
17 11 2020
17 11 2020
Historique:
received:
16
07
2020
revised:
05
10
2020
pubmed:
7
10
2020
medline:
7
10
2020
entrez:
6
10
2020
Statut:
ppublish
Résumé
The photoinduced dynamics of isolated n-hydroxyquinoline (nHQ) molecules (n=6,8) was investigated in femtosecond pump-probe experiments. A qualitative difference was found between 8HQ and 6HQ. After an initial rapid decay corresponding to the departure of the initial wavepacket out of the Franck-Condon region of the excitation, the 8HQ probe signal decays to zero in 0.37 ps whereas a much longer time constant of 10.4 ps is observed in 6HQ. This interrogates on the role played by the intramolecular H-bond N
Identifiants
pubmed: 33022865
doi: 10.1002/cphc.202000626
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
2605-2613Subventions
Organisme : ANR11-EQPX0005-ATTOLAB
Pays : International
Organisme : ANR 09-JCJC-0090-01-CHROMADYNE
Pays : International
Informations de copyright
© 2020 Wiley-VCH GmbH.
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