Feasibility of Valence-to-Core X-ray Emission Spectroscopy for Tracking Transient Species

Anne Marie March, Tadesse A. Assefa, Christian Bressler, Gilles Doumy, Andreas Galler, Wojciech Gawelda, Elliot P. Kanter, Zoltan Nemeth, Mátyás Imre Pápai, Stephen H. Southworth, Linda Young, Gyoergy Vanko

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X-ray spectroscopies, when combined in laser-pump, X-ray-probe measurement schemes, can be powerful tools for tracking the electronic and geometric structural changes that occur during the course of a photoinitiated chemical reaction. X-ray absorption spectroscopy (XAS) is considered an established technique for such measurements, and X-ray emission spectroscopy (XES) of the strongest core-to-core emission lines (K alpha and K beta) is now being utilized. Flux demanding valence-to-core XES promises to be an important addition to the time-resolved spectroscopic toolkit. In this paper we present measurements and density functional theory calculations on laser-excited, solution-phase ferrocyanide that demonstrate the feasibility of valence-to-core XES for time-resolved experiments. We discuss technical improvements that will make valence-to-core XES a practical pump-probe technique.
Original languageEnglish
JournalJournal of Physical Chemistry C
Issue number26
Pages (from-to)14571-14578
Number of pages8
Publication statusPublished - 2015
Externally publishedYes

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ACS AuthorChoice - This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.

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March, A. M., Assefa, T. A., Bressler, C., Doumy, G., Galler, A., Gawelda, W., Kanter, E. P., Nemeth, Z., Pápai, M. I., Southworth, S. H., Young, L., & Vanko, G. (2015). Feasibility of Valence-to-Core X-ray Emission Spectroscopy for Tracking Transient Species. Journal of Physical Chemistry C, 119(26), 14571-14578. https://doi.org/10.1021/jp511838q