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Metal-organic framework-derived porous CeO2 loading Au as efficient nanocatalysts for CO oxidation and 4-nitrophenol reduction

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Indexed by:期刊论文

Date of Publication:2018-06-01

Journal:FUNCTIONAL MATERIALS LETTERS

Included Journals:SCIE

Volume:11

Issue:3

ISSN No.:1793-6047

Key Words:Au/CeO2; CO oxidation; 4-nitrophenol reduction; metal-organic frameworks

Abstract:In this paper, two Au/CeO2 catalytic systems have been fabricated through the synthesis of porous CeO2 from Ce-BTC MOFs nanorod and nanobundle precursors by thermal annealing, and the subsequent Au loading. Significantly, the catalytic activity of Au/CeO2 nanorods is higher than that of bare CeO2 and even Au/CeO2 nanobundles for both CO oxidation and 4-nitrophenol reduction. The remarkably enhanced performance of Au/CeO2 nanorods can be attributed to the unique porous structure, high surface area, abundant oxygen vacancies on the surface of CeO2, and the synergistic effect between gold and ceria.

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