STUDIES ON THE ELECTRICAL CONDUCTIVITY OF FREE-STANDING FILMS OF POLYANILINE

WAN Meixiang; ZHOU Weixia; LI Yongfang

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STUDIES ON THE ELECTRICAL CONDUCTIVITY OF FREE-STANDING FILMS OF POLYANILINE

Papers | Updated：2021-06-21

- STUDIES ON THE ELECTRICAL CONDUCTIVITY OF FREE-STANDING FILMS OF POLYANILINE
- Vol. 9, Issue 4, Pages: 307-313(1991)
- Affiliations：
  
  1. Institute of Chemistry, Academia Sinica,Beijing,100080
  2. Academia Sinica
  3. Beijing 100080
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 December 1991
- Accepted：
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[1]万梅香,周维侠,李永舫.STUDIES ON THE ELECTRICAL CONDUCTIVITY OF FREE-STANDING FILMS OF POLYANILINE[J].Chinese Journal of Polymer Science,1991,{4}(04):307-313.

WAN Meixiang, ZHOU Weixia, LI Yongfang. STUDIES ON THE ELECTRICAL CONDUCTIVITY OF FREE-STANDING FILMS OF POLYANILINE[J]. 1991, 9(4): 307-313.
[1]万梅香,周维侠,李永舫.STUDIES ON THE ELECTRICAL CONDUCTIVITY OF FREE-STANDING FILMS OF POLYANILINE[J].Chinese Journal of Polymer Science,1991,{4}(04):307-313. DOI：

WAN Meixiang, ZHOU Weixia, LI Yongfang. STUDIES ON THE ELECTRICAL CONDUCTIVITY OF FREE-STANDING FILMS OF POLYANILINE[J]. 1991, 9(4): 307-313. DOI：

摘要

<正> An insulate to metal transition was investigated based on the measurements of the dependence of the conductivity

activation energy on the protonation state of polyaniline （PANI）. An isotropy in conductivity for stretched salt form of PANI was observed.For salt film of PANI

the Ⅰ-Ⅴcurve obeys Ohm’s law

which shows a typical metal behavior

however

for base film or film with low protonation state

it can be explained by Space Charge Limited Current （SCLC）. It is also found that the Ⅰ-Ⅴcurve of base film of PANI is independent of the work function of electrodes and the polymerization temperature.

Abstract

An insulate to metal transition was investigated based on the measurements of the dependence of the conductivity

activation energy on the protonation state of polyaniline （PANI）. An isotropy in conductivity for stretched salt form of PANI was observed.For salt film of PANI

the Ⅰ-Ⅴ curve obeys Ohm’s law

which shows a typical metal behavior

however

for base film or film with low protonation state

it can be explained by Space Charge Limited Current （SCLC）. It is also found that the Ⅰ-Ⅴ curve of base film of PANI is independent of the work function of electrodes and the polymerization temperature.

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