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Time-resolved photoelectron spectroscopy of nitrobenzene and its aldehydes
Stockholms universitet, Naturvetenskapliga fakulteten, Fysikum. National Research Council of Canada.ORCID-id: 0000-0002-3863-9454
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Rekke forfattare: 72018 (engelsk)Inngår i: Chemical Physics Letters, ISSN 0009-2614, E-ISSN 1873-4448, Vol. 691, s. 379-387Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

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 (similar to 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.

sted, utgiver, år, opplag, sider
2018. Vol. 691, s. 379-387
Emneord [en]
NO2 release, Intersystem crossing, Internal conversion, Excited state hydrogen transfer
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Identifikatorer
URN: urn:nbn:se:su:diva-152491DOI: 10.1016/j.cplett.2017.11.011ISI: 000418590200064Scopus ID: 2-s2.0-85036460871OAI: oai:DiVA.org:su-152491DiVA, id: diva2:1181299
Tilgjengelig fra: 2018-02-08 Laget: 2018-02-08 Sist oppdatert: 2022-10-27bibliografisk kontrollert

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