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https://hdl.handle.net/2440/75475
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Type: | Journal article |
Title: | Catalytic oxidation of benzyl alcohol on Au or Au-Pd nanoparticles confined in mesoporous silica |
Author: | Ma, C. Dou, B. Li, J. Cheng, J. Hu, Q. Hao, Z. Qiao, S. |
Citation: | Applied Catalysis B: Environmental, 2009; 92(1-2):202-208 |
Publisher: | Elsevier Science BV |
Issue Date: | 2009 |
ISSN: | 0926-3373 1873-3883 |
Statement of Responsibility: | Chun Yan Ma, Bao Juan Dou, Jin Jun Li, Jie Cheng, Qin Hu, Zheng Ping Hao, Shi Zhang Qiao |
Abstract: | In this paper, we report the synthesis of Au/SBA-15 and Au-Pd/SBA-15 materials by impregnation and grafting methods. It was found that the Au-Pd/SBA-15 sample prepared by the grafting method could highly disperse metal nanoparticles in mesoporous channels of SBA-15 and exhibit excellent catalytic performances for the selective oxidation of benzyl alcohol to benzaldehyde at mild reaction conditions (air atmosphere, 80 °C). The prevention of agglomeration and leaching of gold nanoparticles by restricting them inside the mesopores of SBA-15 leads to a high stability of Au-Pd/SBA-15. In both approaches, the addition of Pd to Au/SBA-15 catalysts can decrease the size of gold nanoparticles, which attributes to higher activity for the selective aerobic oxidation of benzyl alcohol. © 2009 Elsevier B.V. |
Keywords: | Gold and palladium Mesoporous SBA-15 Nanoparticles Oxidation Benzyl alcohol |
Rights: | © 2009 Elsevier B.V. All rights reserved. |
DOI: | 10.1016/j.apcatb.2009.07.007 |
Published version: | http://dx.doi.org/10.1016/j.apcatb.2009.07.007 |
Appears in Collections: | Aurora harvest Chemical Engineering publications |
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