Local structure of photoexcited bimetallic complexes refined by quantitative XANES analysis

G. Smolentsev*, S. E. Canton, J. V. Lockard, V. Sundstrom, L. X. Chen

*Corresponding author for this work

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Photoexcited states of a pyrazolate bridged PtPt dimer and a supramolecular RuCo complex with bipyridine-type ligands were studied using the pump-and-probe X-ray absorption spectroscopy method. The local structure refinement based on the fitting of XANES difference spectra has been performed. The theoretical analysis included the full multiple scattering calculations and the multidimensional interpolation of spectra as a function of structural parameters. The influence of possible correlations between the fraction of molecules in the photoexcited state and structural parameters is discussed.

Original languageEnglish (US)
Pages (from-to)125-128
Number of pages4
JournalJournal of Electron Spectroscopy and Related Phenomena
Volume184
Issue number3-6
DOIs
StatePublished - Apr 1 2011

Keywords

  • Ultrafast X-ray spectroscopy
  • X-ray transient absorption
  • XANES

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Radiation
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Spectroscopy
  • Physical and Theoretical Chemistry

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