Crossref journal-article
Annual Reviews
Annual Review of Analytical Chemistry (22)
Abstract

Many metal clusters in the 1-nm size range are catalytically active, and their enhanced reactivity is often attributed to their size, structure, morphology, and details of alloying. Synchrotron sources provide a wide range of opportunities for studying catalysis. Among them, extended X-ray absorption fine-structure (EXAFS) spectroscopy is the premier method for investigating structure and composition of nanocatalysts. In this review, we summarize common methods of EXAFS analysis for geometric and compositional characterization of nanoparticles. We discuss several aspects of the experiments and analyses that are critical for reliably modeling EXAFS data. The most important are sample homogeneity, the width of the size and compositional distribution functions, and accounting for multiple-scattering contributions to EXAFS. We focus on the contribution of structural disorder and structural/compositional heterogeneity to the accuracy of three-dimensional modeling.

Bibliography

Frenkel, A. I., Yevick, A., Cooper, C., & Vasic, R. (2011). Modeling the Structure and Composition of Nanoparticles by Extended X-Ray Absorption Fine-Structure Spectroscopy. Annual Review of Analytical Chemistry, 4(1), 23–39.

Authors 4
  1. Anatoly I. Frenkel (first)
  2. Aaron Yevick (additional)
  3. Chana Cooper (additional)
  4. Relja Vasic (additional)
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Dates
Type When
Created 14 years, 6 months ago (March 1, 2011, 8:16 p.m.)
Deposited 3 years, 10 months ago (Oct. 5, 2021, 7:51 p.m.)
Indexed 5 days, 8 hours ago (Aug. 28, 2025, 8:56 a.m.)
Issued 14 years, 1 month ago (July 19, 2011)
Published 14 years, 1 month ago (July 19, 2011)
Published Print 14 years, 1 month ago (July 19, 2011)
Funders 0

None

@article{Frenkel_2011, title={Modeling the Structure and Composition of Nanoparticles by Extended X-Ray Absorption Fine-Structure Spectroscopy}, volume={4}, ISSN={1936-1335}, url={http://dx.doi.org/10.1146/annurev-anchem-061010-113906}, DOI={10.1146/annurev-anchem-061010-113906}, number={1}, journal={Annual Review of Analytical Chemistry}, publisher={Annual Reviews}, author={Frenkel, Anatoly I. and Yevick, Aaron and Cooper, Chana and Vasic, Relja}, year={2011}, month=jul, pages={23–39} }