The inductive behavior derived from hydrolysis of polyaniline

Wei Chih Chen, Ten Chin Wen, A. Gopalan

研究成果: Article同行評審

36 引文 斯高帕斯(Scopus)


Electrochemical impedance spectroscopy (EIS) was used to study the impedance characteristics of polyaniline (PANI) films deposited by cyclic voltammetry with different anodic potential limits. The presence of benzoquinone (BQ) as hydrolysis product of PANI was evident for PANI films deposited with anodic potential limits ≥ 0.80 V. The data from EIS for PANI film with inbuilt BQ reveals an inductive behavior. The existence of inductive behavior for PANI film under different applied bias potentials was brought out through fitting of EIS data with equivalent circuits and deducing the value of an inductor element (L). The inductive behavior was attributed to arise due to the presence of BQ within PANI films and adequately supported by the results from X-ray photoelectron spectroscopy (XPS). The value of L reaches saturation for the PANI film synthesized with an upper potential limit of 0.90 V and measured at 0.70 V. The EIS and XPS results of the poly(N-methylaniline) (PNMA) film prepared under similar conditions corroborated with the observation that the presence of BQ within PANI results inductive characteristics to PANI

頁(從 - 到)4195-4206
期刊Electrochimica Acta
出版狀態Published - 2002 10月 9

All Science Journal Classification (ASJC) codes

  • 化學工程 (全部)
  • 電化學


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