X-Ray Transient Absorption Spectroscopy

Lin X. Chen*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Scopus citations


The foundation of x-ray transient absorption (XTA) spectroscopy is based on the steady-state x-ray absorption spectroscopy (XAS), including x-ray absorption near edge structure (XANES) and extended x-ray absorption fine structure (EXAFS). In the past decade, the XTA method has made a significant progress from proof of the feasibility and principle to a common and reliable method in probing local electronic and nuclear structures around x-ray absorbing atoms. This chapter describes the basic principle, experimental approaches, as well as practical examples of XTA. The XTA spectroscopy at synchrotron and x-ray free electron sources has been proven to be powerful in solving transient structures of transition metal complexes in solution, at interfaces, and in protein matrix, which can be involved in solar energy conversion and photochemistry, interfacial electron transfer, and enzymatic functions. The structural information obtained by this method is complementary to the dynamic information obtained by optical transient spectroscopies.

Original languageEnglish (US)
Title of host publicationX-Ray Absorption and X-Ray Emission Spectroscopy
Subtitle of host publicationTheory and Applications
Number of pages37
ISBN (Electronic)9781118844243
ISBN (Print)9781118844236
StatePublished - Jan 1 2015


  • Extended x-ray absorption fine structure
  • Pump-probe approach
  • Transient structural information
  • Transition metal
  • X-ray absorption near edge structure
  • X-ray absorption spectroscopy
  • X-ray free electron sources
  • X-ray transient absorption spectroscopy

ASJC Scopus subject areas

  • Chemistry(all)

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