Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 616, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.colsurfa.2021.126309
Keywords
Composite; Fe3O4/g-C3N4-CeOx; Styrene; Benzaldehyde; Solvent-free oxidation; Heterogeneous catalysis
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Funding
- National Natural Science Foundation of China [21671050]
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Fe and Ce incorporated graphic carbon nitride Fe-Ce/g-C3N4 was synthesized and demonstrated efficient catalytic performance for the solvent-free oxidation of styrene to benzaldehyde.
Fe and Ce incorporated graphic carbon nitride Fe-Ce/g-C3N4 was fabricated with Fe(NO3)(3), (NH4)(4)Ce (SO4)(4) and g-C3N4 as precursors and its surface composition and structure was identified by XRD, SEM, TEM, FT-IR, XPS, ICP-OES and N-2 adsorption-desorption approach. The results demonstrated that the hybrid composite was constituted with Fe3O4 supported on CeOx, where Fe3O4 crystals were formed by in situ reduction of Fe3+ through produced NH3 of g-C3N4 decomposition. The hybrid composite exhibited an efficiently catalytic performance for solvent-free oxidation of styrene to benzaldehyde using H2O2 oxidant with 92% conversion and 70.0% selectivity. The dependence of the catalytic activity on the catalyst preparation conditions and reaction conditions were explored and the reusability of the catalyst was discussed.
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