Femtosecond dynamics of excited-state intramolecular proton transfer in o-tosylaminobenzaldehyde View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2012-07-05

AUTHORS

M. N. Khimich, V. A. Nadtochenko, L. D. Popov, A. S. Burlov, V. L. Ivanov, N. N. Denisov, F. E. Gostev, I. V. Shelaev, O. M. Sarkisov, B. M. Uzhinov

ABSTRACT

Dynamics of excited-state intramolecular proton transfer (ESIPT) in o-tosylaminobenzaldehyde has been studied by femtosecond absorption spectroscopy with a time resolution of 30 fs. The characteristic time of this process is ∼100 fs. Differential absorption rate curves exhibit oscillations that are consistent with theoretically predicted ESIPT-promoting vibrational modes. Efficient nonradiative deactivation with a rate constant of 6.25 × 1010 s−1 occurs in the excited product of proton transfer, with internal rotation followed by intersystem crossing being one of the feasible deactivation pathways. More... »

PAGES

247-252

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s001814391204008x

DOI

http://dx.doi.org/10.1134/s001814391204008x

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1042313407


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