Abstract
A solvothermal method has successfully applied to prepare hexagonal boron carbonitride from CH3CN, NaN3 and NaBF4 in benzene at 400 . °C The synthesized product was characterized by X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), select area electron diffraction (SAED), X-ray energy-dispersive spectroscopy (EDS), and electron energy loss spectroscopy (EELS). XRD and SAED indicated that the synthesized product are h-BCN with the lattice constants of a=0.2678 nm and c=0.6639 nm. TEM images reveal that the products mainly consist of nanorods and quartet prism-like nanostructure. The results of EELS and EDS suggested that the product was composed of elements of B, C and N, and the chemical formula was B0.23C0.60N0.17. FTIR exhibited that the product had C—N, B—C and B—N bonds, indicating that an atomic-level hybrid of the three elements was synthesized.
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