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Self‐Regenerative Silver Nanocluster Catalyst for CO Oxidation
Author(s) -
Shimizu Kenichi,
Sawabe Kyoichi,
Satsuma Atsushi
Publication year - 2011
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201100122
Subject(s) - nanoclusters , catalysis , dispersion (optics) , oxidation state , redox , nanotechnology , chemistry , materials science , chemical engineering , inorganic chemistry , organic chemistry , physics , engineering , optics
Can't keep me down : Silver nanoclusters (NCs), formed by spontaneous atomic‐level dispersion of non‐nano silver onto Al 2 O 3 surface, show self‐ regenerative properties during redox aging above 900 °C and, consequently, higher activity than state‐of‐the‐art CO oxidation catalysts after the aging. Size‐dependence of the activity and DFT calculation indicate that Ag atoms at corner/edge sites are the active site of Ag NCs.
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