Abstract
Highly active Ga2O3 nanoparticles catalysts were prepared by one-step oxidative decomposition of gallium nitrate with sucrose-derived carbon foams (SCF) template. The catalysts were investigated by XRD, Ar physisorption, SEM–EDS, HRTEM, TGA, NH3-TPD and 71 Ga MAS NMR. The addition of sucrose facilitated the higher surface area of Ga2O3 nanoparticles and morphological transformation from bulk to flake due to the structure-directing role of the sucrose solution. Moreover, the weak-medium surface acid sites increased by adding sucrose properly, which was related to the larger number of tetrahedral Ga3+ cations. The optimum catalytic activity was achieved over SXCF-Ga2O3 catalysts at the sucrose/Ga2O3 molar ratio of 6 with the propane conversion of 46.63% and propene selectivity of 88.18%.
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We gratefully acknowledge the China Postdoctoral Science Foundation (2017M611473) and the Fundamental Research Funds for the Central Universities (No.50321012017013).
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Jiang, P., Fu, H., Ma, H. et al. Dehydrogenation of propane over sugar foams templated Ga2O3 nanoparticles catalysts. Catal Lett 151, 1894–1901 (2021). https://doi.org/10.1007/s10562-020-03452-0
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DOI: https://doi.org/10.1007/s10562-020-03452-0