Preparation and properties of polyaniline doped with poly(thiophenylenesulfonic acid)

Kenji Miyatake; Jun Sang Cho; Shinji Takeoka; Eishun Tsuchida

doi:10.1002/(SICI)1521-3935(19991201)200:12<2597::AID-MACP2597>3.0.CO;2-O

Preparation and properties of polyaniline doped with poly(thiophenylenesulfonic acid)

Kenji Miyatake, Jun Sang Cho, Shinji Takeoka, Eishun Tsuchida^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

A novel polyaromatic acid, poly(thiophenylenesulfonic acid) (PTPSA), prepared from a soluble precursor of poly(arylenesulfonium salt) was employed as a dopant for polyaniline (PAn). The electro-oxidative polymerization of aniline in PTPSA aqueous solution gives an electroactive PAn/PTPSA composite with three redox couples at 0.16, 0.53, and 0.71V (vs. SCE). Composites of different molar ratio ([SO₃H]/[An] = 0.10, 0.21, 0.42, 0.50, 0.83, 1.67) was prepared in order to confirm the transformation from the emeraldine base to its PTPSA salt, where a quantitative doping reaction was observed by means of UV-VIS and IR measurements. The thermogravimetric analysis revealed that the composites do not decompose up to 200°C in nitrogen atmosphere. The composite ([SO₃H]/[An] = 0.50) shows an electrical conductivity of 1.5 S · cm^-1 at 30°C and 3.0 × 10^-1 S · cm^-1 at 170°C. The composite retains its conductivity after heating at 150°C for 24 h.

Original language	English
Pages (from-to)	2597-2601
Number of pages	5
Journal	Macromolecular Chemistry and Physics
Volume	200
Issue number	12
DOIs	https://doi.org/10.1002/(SICI)1521-3935(19991201)200:12<2597::AID-MACP2597>3.0.CO;2-O
Publication status	Published - 1999 Jan 1

ASJC Scopus subject areas

Condensed Matter Physics
Physical and Theoretical Chemistry
Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1002/(SICI)1521-3935(19991201)200:12<2597::AID-MACP2597>3.0.CO;2-O

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title = "Preparation and properties of polyaniline doped with poly(thiophenylenesulfonic acid)",

abstract = "A novel polyaromatic acid, poly(thiophenylenesulfonic acid) (PTPSA), prepared from a soluble precursor of poly(arylenesulfonium salt) was employed as a dopant for polyaniline (PAn). The electro-oxidative polymerization of aniline in PTPSA aqueous solution gives an electroactive PAn/PTPSA composite with three redox couples at 0.16, 0.53, and 0.71V (vs. SCE). Composites of different molar ratio ([SO3H]/[An] = 0.10, 0.21, 0.42, 0.50, 0.83, 1.67) was prepared in order to confirm the transformation from the emeraldine base to its PTPSA salt, where a quantitative doping reaction was observed by means of UV-VIS and IR measurements. The thermogravimetric analysis revealed that the composites do not decompose up to 200°C in nitrogen atmosphere. The composite ([SO3H]/[An] = 0.50) shows an electrical conductivity of 1.5 S · cm-1 at 30°C and 3.0 × 10-1 S · cm-1 at 170°C. The composite retains its conductivity after heating at 150°C for 24 h.",

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N2 - A novel polyaromatic acid, poly(thiophenylenesulfonic acid) (PTPSA), prepared from a soluble precursor of poly(arylenesulfonium salt) was employed as a dopant for polyaniline (PAn). The electro-oxidative polymerization of aniline in PTPSA aqueous solution gives an electroactive PAn/PTPSA composite with three redox couples at 0.16, 0.53, and 0.71V (vs. SCE). Composites of different molar ratio ([SO3H]/[An] = 0.10, 0.21, 0.42, 0.50, 0.83, 1.67) was prepared in order to confirm the transformation from the emeraldine base to its PTPSA salt, where a quantitative doping reaction was observed by means of UV-VIS and IR measurements. The thermogravimetric analysis revealed that the composites do not decompose up to 200°C in nitrogen atmosphere. The composite ([SO3H]/[An] = 0.50) shows an electrical conductivity of 1.5 S · cm-1 at 30°C and 3.0 × 10-1 S · cm-1 at 170°C. The composite retains its conductivity after heating at 150°C for 24 h.

AB - A novel polyaromatic acid, poly(thiophenylenesulfonic acid) (PTPSA), prepared from a soluble precursor of poly(arylenesulfonium salt) was employed as a dopant for polyaniline (PAn). The electro-oxidative polymerization of aniline in PTPSA aqueous solution gives an electroactive PAn/PTPSA composite with three redox couples at 0.16, 0.53, and 0.71V (vs. SCE). Composites of different molar ratio ([SO3H]/[An] = 0.10, 0.21, 0.42, 0.50, 0.83, 1.67) was prepared in order to confirm the transformation from the emeraldine base to its PTPSA salt, where a quantitative doping reaction was observed by means of UV-VIS and IR measurements. The thermogravimetric analysis revealed that the composites do not decompose up to 200°C in nitrogen atmosphere. The composite ([SO3H]/[An] = 0.50) shows an electrical conductivity of 1.5 S · cm-1 at 30°C and 3.0 × 10-1 S · cm-1 at 170°C. The composite retains its conductivity after heating at 150°C for 24 h.

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Preparation and properties of polyaniline doped with poly(thiophenylenesulfonic acid)

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