Characterization of the microstructure of PAN powder, electrospun nanofibers, preoxidized nanofibers and carbon nanofibers was performed by X-ray diffractometry and infrared spectroscopy.

• 原料聚丙烯腈粉末、静电纺纳米纤维、预氧化后纳米纤维和炭化后纳米纤维的内部结构变化采用X射线衍射和红外光谱法进行分析。