Abstract
In the current work, we first reported the fabrication of mesoporous SiCNO fibers by electrospun polyureasilazane and polyvinylpyrrolidone precursor followed with a microwave-assisted pyrolysis process. The resulting product was characterized by field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HRTEM), nitrogen adsorption-desorption, X-ray diffraction (XRD), Raman spectrometer (Raman) and Fourier Transform infrared spectroscopy (FTIR). The as-prepared SiCNO fibers have uniform diameter and high morphological purity. It is found that the elemental compositions and BET specific surface area in the resulted SiCNO fibers could be controlled by adjustment the pyrolysis temperature.
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