Abstract
Thiolate-gold nanoclusters exhibit unique optical, magnetic and chiral properties, which are attractive for novel applications in nanotechnology. A fundamental challenge facing these nanomaterials is being able to study and understand their physical properties in various experimental conditions. To overcome this, extended X-ray absorption fine structure (EXAFS) spectroscopy can be employed to probe the Au local structure of thiolate-gold nanoclusters in a variety of conditions, providing valuable structural information from multiple bonding environments (i.e. metal-metal and metal-ligand interactions). This study discusses a methodology for conducting a multishell EXAFS fitting analysis that can be implemented for thiolate-gold nanocluster systems. Specifically, experimental and simulated EXAFS data for Au36(SR)24 nanoclusters are examined with a total of 5 scattering paths fitted to the experimental data.
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Chevrier, D.M., Chatt, A., Zhang, P. et al. Multishell EXAFS Fitting Analysis of a Compositionally Precise Thiolate-Gold Nanocluster. MRS Online Proceedings Library 1655, 501 (2014). https://doi.org/10.1557/opl.2014.409
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DOI: https://doi.org/10.1557/opl.2014.409