Solving the Structure and Dynamics of Metal Nanoparticles by Combining X-Ray Absorption Fine Structure Spectroscopy and Atomistic Structure Simulations

Author:

Timoshenko J.1,Duan Z.23,Henkelman G.23,Crooks R.M.2,Frenkel A.I.14

Affiliation:

1. Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, USA;

2. Department of Chemistry and Texas Materials Institute, University of Texas at Austin, Austin, Texas 78712, USA

3. Institute for Computational and Engineering Sciences, University of Texas at Austin, Austin, Texas 78712, USA

4. Division of Chemistry, Brookhaven National Laboratory, Upton, New York 11973, USA

Abstract

Extended X-ray absorption fine structure (EXAFS) spectroscopy is a premiere method for analysis of the structure and structural transformation of nanoparticles. Extraction of analytical information about the three-dimensional structure and dynamics of metal–metal bonds from EXAFS spectra requires special care due to their markedly non-bulk-like character. In recent decades, significant progress has been made in the first-principles modeling of structure and properties of nanoparticles. In this review, we summarize new approaches for EXAFS data analysis that incorporate particle structure modeling into the process of structural refinement.

Publisher

Annual Reviews

Subject

Analytical Chemistry

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