Abstract
AbstractTuning graphitic surface with nitrogen functionalities renders potential carbocatalysts for a wide range of reactions. Herein, g‐C3N4/graphite composite material (g‐C3N4@G) is reported for oxidation of styrene to styrene oxide. The detailed physiochemical properties of g‐C3N4@G are investigated by X‐ray photoelectron spectroscopy (XPS), Transmission electron microscopy (TEM), Scanning electron microscopy (SEM), X‐ray diffraction (XRD) and Fourier transmission infrared spectroscopy (FTIR) analysis. The TEM and SEM micrographs indicate the formation of g‐C3N4 sheets and N1s XPS results confirm the formation of g‐C3N4 on the graphitic surface. The role of specific catalytic sites is experimentally studied by the use of model catalysts those mimic the functional groups on the surface of g‐C3N4@G. It is suggested that the catalytic sites on the surface showcase a synergeistic effect, with sp2 hybridized N site being most selective for styrene oxide.
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