Size Effect of Silica-supported Gold Clusters in the Microwave-assisted Oxidation of Benzyl Alcohol with H2O2

Yongmei Liu; Hironori Tsunoyama; Tomoki Akita; Tatsuya Tsukuda

doi:10.1246/cl.2010.159

Letter

Size Effect of Silica-supported Gold Clusters in the Microwave-assisted Oxidation of Benzyl Alcohol with H₂O₂

Yongmei Liu, Hironori Tsunoyama, Tomoki Akita, Tatsuya Tsukuda

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JOURNALS RESTRICTED ACCESS

2010 Volume 39 Issue 3 Pages 159-161

DOI https://doi.org/10.1246/cl.2010.159

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Abstract

Gold clusters with average diameters of 0.8, 1.5, and 1.9 nm were prepared on mesoporous silica (SBA-15) by controlling the calcination time of an Au₁₁(PPh₃)₇Cl₃/SBA-15 composite. It was found that the catalytic activity for benzyl alcohol oxidation decreased monotonically with the increase in size.

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