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Shape and Crystal‐Plane Effects of Nanoscale Ceria on the Activity of Au‐CeO 2 Catalysts for the Water–Gas Shift Reaction
Author(s) -
Si Rui,
FlytzaniStephanopoulos Maria
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200705828
Subject(s) - nanorod , water gas shift reaction , catalysis , nanoscopic scale , crystal (programming language) , chemical engineering , materials science , nanotechnology , chemistry , computer science , organic chemistry , engineering , programming language
A two‐step synthesis method is used to prepare gold‐on‐ceria nanorods, nanocubes, and nanopolyhedra (see picture), and a strong shape‐effect of CeO 2 on the water–gas shift reaction activity of the catalysts is identified. Gold on the (110) facets of ceria nanorods shows the highest activity.