摘要
改进了离子液体/水界面聚合方法,将苯胺和掺杂剂溶解在离子液体相中,成功合成了对甲苯磺酸聚苯胺(PANI-TSA)微/纳米纤维和盐酸掺杂聚苯胺(PANI-HCl)微/纳米纤维,其平均直径分别为488和183nm。考察了掺杂剂的浓度对聚苯胺微/纳米纤维的形貌及电导率的影响。实验发现离子液体相中掺杂剂的浓度越高,合成出的聚苯胺微纳米纤维直径越小,以PANI-TSA为例,当p-TSA的浓度由0.005mol·L^(-1)增加到0.05mol·L^(-1)时,PANI-TSA的平均直径从488nm逐渐减小到183nm,相应其室温电导率由1.6×10^(-3)S/cm增加到4.9×10^(-3)S/cm,表现出尺寸效应。
An improved aqueous/ionic liquid interfacial polymerization method was proposed and used for the synthesis of polyaniline（PANI）nanofibers doped with p-toluenesulfonic acid（TSA）and HCl.In this method,both aniline and the dopant were dissolved in ionic liquid（1-butyl-3-methylimidazolium hexafluorophosphate）.The average diameter of PANI-TSA and PANI-HCl nanofibers is 488 nm and 183 nm respectively.It is found that the higher concentration of the acid in ionic liquid phase leads to the smaller diameter and higher conductivity.The size effect of conductivity was observed.For example,when the concentration of the p-TSA increased from0.005mol·L^-1 to 0.05mol·L^-1,the average diameter of PANI-TSA decrease from 488 nm to 183 nm,and the conductivity is increased from 1.6×10^-3S/cm to 4.9×10^-3S/cm.
出处
《中国海洋大学学报（自然科学版）》
CAS
CSCD
北大核心
2016年第7期84-89,共6页
Periodical of Ocean University of China
基金
国家自然科学基金项目(41476059)资助~~
关键词
聚苯胺微/纳米纤维
离子液体
界面聚合
过硫酸铵
polyaniline nanofibers
ionic liquid
interfacial polymerization
ammonium peroxydisulfate
作者简介
冷涛（1992-），男，硕士生。E-mail：lengtao1212@126．com
通讯作者：E-mail：zzmcyj@ouc．edu．cn
