Journal
RSC ADVANCES
Volume 6, Issue 62, Pages S7507-S7513Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra09756a
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Funding
- National Natural Science Foundation of China [21303069]
- Jilin province [20150520013JH]
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Ni-Co bimetallic oxide catalysts with various loadings and Ni/Co ratios supported on N-doped FDU-15 were prepared by a facile and controllable one-pot method and tested as heterogeneous catalysts for the oxidation of benzyl alcohol. The prepared materials were characterized by a series of characterization techniques such as XRD, TEM, SEM-EDX, FT-IR, XPS, N-2 adsorption-desorption, Raman and ICP-AES. Catalytic results showed that 2 wt% Ni-Co-3/FDU-15-(N) possessed very high substrate conversion (93.4%) and excellent benzaldehyde selectivity (97.8%) when using air as the oxidant at 110 degrees C. This superior catalytic performance over bimetallic catalysts indicated a synergy effect between Ni and Co. The improved redox ability and dispersion of Ni-Co alloying sites also contributed to this enhancement. Additionally, N-doped Ni-Co-3/FDU-15-(N) might strengthen the interaction between NiO, Co3O4 and the support and thus improve the dispersion of the metal oxides.
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