Abstract
Poly(o-methoxyaniline) (POMA) salts doped with organic sulphonic acids (methanesulphonic acid, p-toluenesulphonic acid and dodecylbenzenesulphonic acid) were firstly synthesized by using solid-state polymerization method. The polymers were characterized by Fourier transform Infrared (FTIR) spectra, ultraviolet visible (UV–vis) spectrometry, X-ray diffraction (XRD), Cyclic Voltammetry (CV), and conductivity measurements. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were done to study the morphologies of POMA salts. The results showed that the POMA doped with methanesulphonic acid displayed higher doping level and conductivity. On the contrary, POMA doped with dodecylbenzenesulphonic acid was lower at doping level and conductivity. In accordance with these results, the electrochemical activity was also found to be lower in dodecylbenzenesulphonic acid doped POMA. The results also revealed that the particles of POMA salts have the average size of less than 100 nm.
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Acknowledgment
The authors gratefully acknowledge support from National Natural Science Foundation of China (no.20274035; no.20674066), We also acknowledge the Xinjiang University (no. 100096) for financial support for this work.
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Jamal, R., Abdiryim, T., Ding, Y. et al. Comparative studies of solid-state synthesized poly(o-methoxyaniline) doped with organic sulfonic acids. J Polym Res 15, 75–82 (2008). https://doi.org/10.1007/s10965-007-9145-3
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DOI: https://doi.org/10.1007/s10965-007-9145-3