EXAFS Experiments on Local Structure of NO Adsorbed on Supported Silver Clusters

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  • Authors:
  • Amgalanbaatar Baldansuren


In-situ EXAFS experiments were performed at the Ag $K$-edge after adsorbing NO on the hydrogen reduced silver cluster. The coordination parameters, i.e. inter-atomic distance, coordination number and Debye-Waller factor were derived from a three-shell fitting model including a split Ag-Ag shell and a single Ag-O(N) shell. The multiple-shell fitting proved that the reduced silver cluster underwent a slight change in the local structure. After co-adsorbing NO and oxygen, the difference file fitting technique was used for isolating each of the first Ag-Ag(1) and Ag-O(N) shell contributions to the EXAFS spectra filtered in R-space of Fourier transform.

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StatePublished - 9 Oct 2015