Time-Resolved Photoelectron Spectroscopy of Nitrobenzene and its Aldehydes

Oliver Schalk, David Townsend, Thomas J. A. Wolf, David M. P. Holland, Andrey E. Boguslavskiy, Milan Szöri, Albert Stolow

Research output: Contribution to journalArticle

3 Citations (Scopus)
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Abstract

We report the first femtosecond time-resolved photoelectron spectroscopy study of 2-, 3- and 4-nitrobenzaldehyde (NBA) and nitrobenzene (NBE) in the gas phase upon excitation at 200 nm. In 3- and 4-NBA, the dynamics follow fast intersystem crossing within 1–2 picoseconds. In 2-NBA and NBE, the dynamics are faster (∼0.5 ps). 2-NBA undergoes hydrogen transfer similar to solution phase dynamics. NBE either releases NO2 in the excited state or converts internally back to the ground state. We discuss why these channels are suppressed in the other nitrobenzaldehydes.
Original languageEnglish
Pages (from-to)379-387
Number of pages9
JournalChemical Physics Letters
Volume691
Early online date10 Nov 2017
DOIs
Publication statusPublished - Jan 2018

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