Velocity-map imaging of photoelectron circular dichroism in non-volatile molecules using a laser-based desorption source

Chris Sparling, Stuart W. Crane, Lewis Ireland, Ross Anderson, Omair Ghafur, Jason B. Greenwood, Dave Townsend*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)
32 Downloads (Pure)

Abstract

We present an initial demonstration of a velocity-map imaging (VMI) experiment using a back-irradiation laser-based desorption source directly integrated into the electrode assembly. This has the potential to greatly expand the utility of the popular VMI approach by permitting its use with high density plumes of non-volatile molecular samples. Photoelectron circular dichroism measurements on the phenylalanine molecule using 400 nm multiphoton ionization are used to illustrate this novel method, revealing forward-backward emission asymmetries on the order of 7%.
Original languageEnglish
Pages (from-to) 6009-6015
JournalPhysical Chemistry Chemical Physics
Volume25
Issue number8
Early online date08 Feb 2023
DOIs
Publication statusPublished - 28 Feb 2023

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