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Structural analysis of Au/Mg(OH)2 during deactivation by Debye function analysis (1996)

Vogel, W. ; Cunningham, D. A. H. ; Tanaka, K. ; [et al.]

Springer

Catalysis letters 40 (1996), S. 175-181

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ISSN: 1572-879X

Keywords: gold catalysis ; nano-size ; Debye function analysis ; TEM

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract Using a Debye function analysis, the presence of icosahedral and face centered cuboctahedral gold in a 1 ∶ 1 ratio has been found in freshly prepared Au/Mg(OH)2 catalyst. The results support earlier studies which suggest the icosahedral form to be more stable at small nanometer sizes. Interactions between the gold and the Mg(OH)2 support appear to be weak, with the gold rapidly coagulating over a period of three months. Re-analysis of the aged sample shows the gold to be mainly in the form of truncated decahedra.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00815279

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