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Chemistry for Sustainable Development

2013 year, number 1

X–ray Absorption Spectroscopy as a Tool for Studying and Developing Novel Materials

D. I. KOCHUBEY and V. V. KANAZHEVSKIY
Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Pr. Akademika Lavrentyeva 5, Novosibirsk 630090 (Russia)
E-mail: kochubey@catalysis.ru
Keywords: EXAFS, XANES, X-ray absorption spectroscopy, platinum nanoparticles, gold nanoparticles, molybdenum sulphate, zirconium oxychloride in the sulphuric acid, cobalt valence state in compounds, ruthenium-rubidium catalysts
Pages: 13–28

Abstract

Despite the abundance of available experimental techniques, the X-ray absorption spectroscopy often remains the only acceptable means for solving a number of problems: studying X-ray amorphous substances, determining the phase composition at a lower concentration limit for impurity samples, determining the valence state of a chemical element in the case of a low content thereof in the sample (mass percent quota). The present review reports the theory and examples of successful applying the methods of EXAFS and XANES to solve complicated problems.