In-situ UV-Vis Spectra of Polyaniline Doped with Protonic Acid in Organic Solvent and Its Resolution with Factor Analysis

Chem. J. Chinese Universities ›› 2002, Vol. 23 ›› Issue (6): 1198.

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In-situ UV-Vis Spectra of Polyaniline Doped with Protonic Acid in Organic Solvent and Its Resolution with Factor Analysis

YANG Chun-Ming^1,3, CHEN Di-Zhao², FANG Zheng³, LIU Ye-Xiang⁴

1. College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081,China;
2. Department of Chemistry, Huaihua Teacher's College, Huaihua 418000, China;
3. College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;
4. Department of Metallurgy, Central South University, Changsha 410083, China

Received:2001-04-23 Online:2002-06-24 Published:2002-06-24

Abstract

Abstract: In situ UV-Vis spectra for protonic acid doping reaction of polyaniline in organic solvent were recorded. The doping reaction mechanism was obtained from the chemical factor analysis for the first time. The results show that two competing reactions might exist during the doping process: one is the dynamic equilibrium between doping and dedoping reaction, and the equilibrium constant being k = 5.16(24 ℃); the other is a side reaction. The product of the side reaction should be a doped mixture between intrinsical and doped states formed during the reaction.

Key words: Polyaniline, Doping, In-situ UV-Vis spectrum, Factor analysis

CLC Number:

TrendMD:

YANG Chun-Ming, CHEN Di-Zhao, FANG Zheng, LIU Ye-Xiang . In-situ UV-Vis Spectra of Polyaniline Doped with Protonic Acid in Organic Solvent and Its Resolution with Factor Analysis[J]. Chem. J. Chinese Universities, 2002, 23(6): 1198.

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In-situ UV-Vis Spectra of Polyaniline Doped with Protonic Acid in Organic Solvent and Its Resolution with Factor Analysis

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