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Start Over Author "Zhao, Jincai" Topic oxidation Journal catalysis communications
1 results on '"Zhao, Jincai"'

1. Clay-based SiO2 as active support of gold nanoparticles for CO oxidation catalyst: Pivotal role of residual Al

Author

Zhang, Yu, Zhaorigetu, Bao, Jia, Meilin, Chen, Chuncheng, and Zhao, Jincai

Subjects
*CLAY, *SILICA, *GOLD nanoparticles, *CARBON monoxide, *OXIDATION, *ALUMINUM catalysts
Abstract

Abstract: SiO2 is generally regarded as an “inert” support of gold catalysts for CO oxidation. We find that silica obtained from a natural clay mineral can be used as excellent gold-support for efficient CO oxidation at relatively low temperature. Fine Au particles are found to locate around the Al sites, rather than on pure SiO2 area. Accordingly, high Au loading and catalytic activity for the clay-based SiO2 supports are ascribed to the residual aluminum originally from the clay. [Copyright &y& Elsevier]

Published
2013
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