Synthesis and Electrical Properties of Water-Dispersible Polyaniline with a Polymer Template

• Published in: Journal of electronic materials Vol. 49; no. 9; pp. 5460 - 5466
• Main Authors: Ugraskan, Volkan, Yazici, Ozlem, Karaman, Ferdane
• Format: Journal Article
• Language: English
• Published: New York Springer US 01-09-2020; Springer Nature B.V
• Subjects: Ammonium peroxodisulfate; Aniline; Characterization and Evaluation of Materials; Chemistry and Materials Science; Composite materials; Dispersions; Electrical properties; Electrical resistivity; Electronics and Microelectronics; Infrared spectroscopy; Instrumentation; Materials Science; Optical and Electronic Materials; Polyanilines; Power factor; Scanning transmission electron microscopy; Seebeck effect; Solid State Physics; Spectrum analysis; Sulfonic acid; water dispersibility; poly(4-sulfonic acid diphenyl aniline); Polyaniline; electrical conductivity; thermoelectric properties
• ISSN: 0361-5235; 1543-186X
• DOI: 10.1007/s11664-020-08285-6

Polyaniline (PANI) was synthesized using ammonium persulfate with different amounts of poly(4-sulfonic acid diphenyl aniline) (PSDA) as a template in order to obtain water-dispersible eco-friendly PANI:PSDA composites with enhanced thermoelectric properties. The synthesized composites were characterized by UV-Vis spectroscopy, FT-IR spectroscopy and scanning transmission electron microscopy. The particle sizes and zeta potentials of the PANI:PSDA dispersions were also measured. The electrical conductivity and Seebeck coefficient of PANI increased from 0.39 S m
-1
to 3.2 S m
-1
and from 21
μ
V K
-1
to 207
μ
V K
-1
, respectively. The highest power factor was found in the 40% PSDA composition as 0.09
μ
W m
-1
K
-2
, which is 500 times that of pristine PANI.