Journal
CATALYSIS LETTERS
Volume 144, Issue 2, Pages 314-319Publisher
SPRINGER
DOI: 10.1007/s10562-013-1121-4
Keywords
Graphene oxide; Phosphotungstic acid; Benzyl alcohol oxidation
Categories
Funding
- National natural Science Foundation of China [21073064, 21003049]
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Graphene oxide functionalized with gama-aminopropyltriethoxysilane, is used as support for the immobilization of homogeneous heteropoly phosphotungstic acid. It is synthesized and characterized by SEM, XPS, XRD, P-31 NMR and Raman. The effects of catalyst parameters and reaction conditions on the oxidation reaction of benzyl alcohol are systematically investigated. Under optimal conditions, the catalyst exhibit remarkably enhanced catalytic activity (conversion 76 % and selectivity 99 %). And the catalyst could be separated conveniently. Moreover, the loss of PW12O40 (3-) anion from the support under the reaction conditions is responsible for the deactivation of the catalyst.
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