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Title: Resonant inelastic x-ray scattering reveals hidden local transitions of the aqueous OH radical
Authors: Kjellsson, L.
Nanda, K. D.
Rubensson, J.-E.
Doumy, G.
Southworth, S. H.
Ho, P. J.
March, A. M.
Al Haddad, A.
Kumagai, Y.
Tu, M.-F.
Schaller, R. D.
Debnath, Tushar
Muhamamd Shafiq Mohd Yusof
Arnold, C.
Schlotter, W. F.
Moeller, S.
Coslovich, G.
Koralek, J. D.
Minitti, M. P.
Vidal, M. L.
Simon, M.
Santra, R.
Loh, Zhi-Heng
Coriani, S.
Krylov, A. I.
Young, L.
Keywords: Physics - Chemical Physics
Physics - Chemical Physics
Issue Date: 2020
Source: Kjellsson, L., Nanda, K. D., Rubensson, J.-E., Doumy, G., Southworth, S. H., Ho, P. J., . . . Young, L. (2020). Resonant inelastic x-ray scattering reveals hidden local transitions of the aqueous OH radical. Physical Review Letters, 124(23), 236001-. doi:10.1103/PhysRevLett.124.236001
Project: MOE2014-T2-2-052
Journal: Physical Review Letters
Abstract: Resonant inelastic x-ray scattering (RIXS) provides remarkable opportunities to interrogate ultrafast dynamics in liquids. Here we use RIXS to study the fundamentally and practically important hydroxyl radical in liquid water, OH(aq). Impulsive ionization of pure liquid water produced a short-lived population of OH(aq), which was probed using femtosecond x-rays from an x-ray free-electron laser. We find that RIXS reveals localized electronic transitions that are masked in the ultraviolet absorption spectrum by strong charge-transfer transitions-thus providing a means to investigate the evolving electronic structure and reactivity of the hydroxyl radical in aqueous and heterogeneous environments. First-principles calculations provide interpretation of the main spectral features.
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.124.236001
Rights: © 2020 American Physical Society. All rights reserved. This paper was published in Physical Review Letters and is made available with permission of American Physical Society.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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