The Role of Pore Size and Structure on the Thermal Stability of Gold

Jan 21, 2005 - Mangesh T. Bore,† Hien N. Pham,† Elise E. Switzer,† Timothy L. Ward,†. Atsushi Fukuoka,‡ and Abhaya K. Datye*,†. Department...
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J. Phys. Chem. B 2005, 109, 2873-2880

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The Role of Pore Size and Structure on the Thermal Stability of Gold Nanoparticles within Mesoporous Silica Mangesh T. Bore,† Hien N. Pham,† Elise E. Switzer,† Timothy L. Ward,† Atsushi Fukuoka,‡ and Abhaya K. Datye*,† Department of Chemical and Nuclear Engineering and Ceramic and Composite Materials Center, UniVersity of New Mexico, Albuquerque, New Mexico 87131, and Catalysis Research Center, Hokkaido UniVersity, Sapporo 001-0021, Japan ReceiVed: September 9, 2004; In Final Form: NoVember 18, 2004

Highly dispersed gold particles (