Abstract
A new kind of heterostructured mesoporous materials for supporting gold nanoparticles was developed by surface modification of mesoporous cellulous foam silica (MCF) with antimony trioxide (Sb2O3) in a monolayer/submonolayer state through a spontaneous dispersion process at 450 °C for 24 h. Gold nanoparticles were well stabilized on the surface of MCF–Sb2O3, exhibiting not only catalytic activity for CO oxidation even below room temperature but also good catalytic stability without the growth of Au nanoparticles after a steady-state reaction for 30 h.
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Acknowledgments
The research was sponsored by the Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, US Department of Energy, under Contract No. De-AC05-00OR22725 with Oak Ridge National Laboratory, managed and operated by UT-Battelle, LLC. Lin Li expresses gratitude for the financial support from the South-Central University for Nationalities (No. CZZ12002).
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Li, L., Chai, SH., Binder, A. et al. Catalytic CO Oxidation Over Gold Nanoparticles: Support Modification by Monolayer- and Submonolayer-Dispersed Sb2O3 . Catal Lett 144, 912–919 (2014). https://doi.org/10.1007/s10562-014-1239-z
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DOI: https://doi.org/10.1007/s10562-014-1239-z