冲击波作用下氮化碳的合成及表征

arbon nitride powder with C-N bond was prepared. High pressure and temperature were supplied by Cyclonite(RDX) and dicyandiamide(C2H4N4) was used as the primary precursor in this article.The morphology, composition and structure of the samples were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared (FTIR) and X-ray photoelectron spectroscopy (EDS). The results show that the C≡N and C=N in precursor are destroyed and turned into C3N4 crystal compound mainly with C-N under explosion wave. XRD result suggests that the sample includes α-C3N4、β-C3N4 and graphite- C3N4 . Some hexagonal particals of 2μm in size in the samples are observed through the scanning electron microscopy. Nitrogen content in the sample is effectively improved through mixing of CH3N5 in precursor.