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Issue 11, 2014
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Recent advances on ultrafast X-ray spectroscopy in the chemical sciences

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Abstract

As an X-ray method for capturing transient structures of molecules during chemical reactions, X-ray transient absorption (XTA), or laser-initiated time-resolved X-ray absorption spectroscopy, has seen its capabilities greatly expanded over the past decade. XTA, which includes X-ray absorption near edge structure (XANES) and X-ray absorption fine structure (XAFS), has evolved beyond proof-of-concept studies and has been increasingly used to interrogate real chemical problems. Advances in ultrafast laser technology, pulsed X-ray sources in synchrotron facilities, as well as the frontier femtosecond X-ray pulses from X-ray free electron lasers have opened up new opportunities to gain a new fundamental description of the chemical sciences. This review reports historical and recent advances in XTA, particularly in its chemical applications, and is focused on (1) an overview of XTA capabilities in comparison to the related techniques of X-ray emission spectroscopy (XES) and resonant inelastic X-ray scattering (RIXS), (2) general chemical properties that can be investigated by the XTA method, (3) chemical systems studied by XTA investigations such as transition metal complexes, metalloproteins and hybrid systems, and (4) summary and perspectives.

Graphical abstract: Recent advances on ultrafast X-ray spectroscopy in the chemical sciences

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Article information


Submitted
07 May 2014
Accepted
26 Jun 2014
First published
30 Jun 2014

Chem. Sci., 2014,5, 4136-4152
Article type
Minireview
Author version available

Recent advances on ultrafast X-ray spectroscopy in the chemical sciences

L. X. Chen, X. Zhang and M. L. Shelby, Chem. Sci., 2014, 5, 4136
DOI: 10.1039/C4SC01333F

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