石油化工高等学校学报

石油化工高等学校学报 ›› 2010, Vol. 23 ›› Issue (4): 48-50.DOI: 10.3696/j.issn.1006-396X.2010.04.011

• 石油化工 • 上一篇    下一篇

单扫伏安法测定聚苯胺的电导率

李琪,乔庆东   

  1. 辽宁石油化工大学石油化工学院,辽宁抚顺113001
  • 收稿日期:2010-04-19 修回日期:2010-07-09 出版日期:2010-12-25 发布日期:2010-12-25
  • 作者简介:李琪(1969 -), 女, 辽宁抚顺市, 副教授, 在读硕士
  • 基金资助:
    辽宁省自然科学基金项目(20082187);辽宁省教育厅科技攻关项目(2008379)

Conductivity Measurement of Polyanilines With Single Sweep Voltametric Method

  1. School of Petrochemical Engineering, Liaoning Shihua University, Fushun Liaoning 113001, P.R.China
  • Received:2010-04-19 Revised:2010-07-09 Published:2010-12-25 Online:2010-12-25

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摘要： 　以实验室合成的本征态和两种掺杂改性的聚苯胺为待测试样, 采用恒电位仪的两电极测量体系, 利用单扫伏安法测定了聚苯胺的电导率。在测定时, 电极与试片间的压力影响接触电阻, 当压力为0 .5 MPa 时该电阻可忽略。实验测得3 种聚苯胺的电导率分别为5 .92 ×10 -5 、1 .52×10-2 、2 .68×10-1 S/cm , 说明掺杂改性聚苯胺的电导率有很大的提高。单扫伏安法方法不仅简便, 而且适合于测定半导体的电导率

关键词: 聚苯胺 , 掺杂态 , 伏安法 , 电导率

Abstract: Using the intrinsic polyaniline and two doped polyanilines as the determined samples prepared in the laboratory, the conductivities were measured by single sweep voltametric method on the potentiostat with two electrodes. The contact electric resistance was influenced by the pressure between the electrode and sample during the measurement, which could be ignored when the pressure was greater than 0.5 MPa. The measured conductivities of the polyaniline samples are 5.92×10-5, 1.52×10-2 and 2.68×10-1 S/cm respectively. The results show that the electric conductivity of the doped polyaniline increased greatly. The voltametric method is not only simple and convenient, but also suitable for the conductivity measurement of semiconductors. 

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引用本文

李琪,乔庆东. 单扫伏安法测定聚苯胺的电导率[J]. 石油化工高等学校学报, 2010, 23(4): 48-50.

LI Qi， QIAO Qing-dong. Conductivity Measurement of Polyanilines With Single Sweep Voltametric Method[J]. Journal of Petrochemical Universities, 2010, 23(4): 48-50.

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