中文摘要：

分别在0.5和8T稳态静磁场诱导条件下合成了聚苯胺纳米管材料,与无磁场条件下合成的不规则形状的聚苯胺材料相比,在加磁场条件下不仅能形成规整的管状聚苯胺纳米材料,而且随着磁场强度从0.5增加到8T,聚苯胺纳米管的长径比增加了2倍,结晶性和电导率也都明显提高,值得注意的是两者的电导率比无外加磁场下合成的聚苯胺提升了4个数量级。

英文摘要：

The ployaniline（PANI） nanotubes were synthesized under a magnetic field of 0.5 and 8 T and named as PANI-0.5 T and PANI-8 T, respectively. The morphology, crystalline structure and electrical conductivity of the products were characterized by using a scanning electron microscope（SEM）, X-ray diffractometer （XRD）, and FEI NanoLab 600i SEM/FIB dual beams system, respectively. It has been found that the aspect ratio, crys- tallinity and electrical conductivity of the polyaniline nanotubes are greatly improved under an applied magnetic field. Moreover, the magnetic-field induced effect is more obvious in the sample of PANI-8 T than that in the sample of PANI-0.5 T. Particularly, the electrical conductivity of PANI-8 T have increased four times of the PANI that was synthesized in absence of a magnetic field.