论文部分内容阅读
在超声辐照条件下,以HCl为掺杂剂、(NH4)2S2O8为氧化剂,通过溶液聚合得到了HCl掺杂聚苯胺(PA-NI)纳米棒.采用傅里叶变换红外光谱(FTIR)、透射电子显微镜(TEM)、X-射线衍射(XRD)、四电极电导率仪、热重分析(TGA)和电化学工作站对材料的结构与性能进行研究.研究结果表明,超声辐照条件下HCl掺杂PANI具有较高的掺杂程度和结构规整度,形成直径为50～65 nm左右的纳米棒状结构.与传统方法相比,超声辐照法所得材料的热稳定性在270～500℃有明显上升,室温电导率升至0.25 s/cm,并具有较好的电容行为和较高的电化学活性.
HCl-doped polyaniline (PA-NI) nanorods were obtained by solution polymerization using HCl as dopant and (NH4) 2S2O8 as oxidant under ultrasonic irradiation.Using Fourier transform infrared spectroscopy (FTIR) Transmission electron microscopy (TEM), X-ray diffraction (XRD), four-electrode conductivity meter, thermogravimetric analysis (TGA) and electrochemical workstation were used to study the structure and properties of the materials.The results showed that under the condition of ultrasonic irradiation, The doping PANI has higher doping degree and regularity of the structure, forming a nanorod-like structure with a diameter of about 50 to 65 nm. Compared with the conventional method, the thermal stability of the material obtained by the ultrasonic irradiation method is in the range of 270 to 500 ° C. Obviously increased, the room temperature conductivity rose to 0.25 s / cm, and has better capacitance behavior and higher electrochemical activity.