Photodissociation of aqueous
Journal
Structural dynamics (Melville, N.Y.)
ISSN: 2329-7778
Titre abrégé: Struct Dyn
Pays: United States
ID NLM: 101660872
Informations de publication
Date de publication:
Nov 2020
Nov 2020
Historique:
received:
16
11
2020
accepted:
22
11
2020
entrez:
8
1
2021
pubmed:
9
1
2021
medline:
9
1
2021
Statut:
epublish
Résumé
Developing femtosecond resolution methods for directly observing structural dynamics is critical to understanding complex photochemical reaction mechanisms in solution. We have used two recent developments, ultrafast mega-electron-volt electron sources and vacuum compatible sub-micron thick liquid sheet jets, to enable liquid-phase ultrafast electron diffraction (LUED). We have demonstrated the viability of LUED by investigating the photodissociation of tri-iodide initiated with a 400 nm laser pulse. This has enabled the average speed of the bond expansion to be measured during the first 750 fs of dissociation and the geminate recombination to be directly captured on the picosecond time scale.
Identifiants
pubmed: 33415183
doi: 10.1063/4.0000051
pii: 4.0000051
pmc: PMC7771998
doi:
Types de publication
Journal Article
Langues
eng
Pagination
064901Informations de copyright
© 2020 Author(s).
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