Photoelectric Properties and Thermal Stability of PEDOT Nanoparticles Based on Reversed Micelle Method

Abstract

Abstract: In recent years, conducting polymer nanostructure has been attracted more attentions due to their excellent optic, electric and gas sensitivity performances. Based on a new type of conducting polymer poly(3,4-ethylenedioxythiophene)(PEDOT), small-sized PEDOT nanoparticles were prepared by reversed micelle method and characterized by UV-Vis spectroscopy, scanning electron microscopy(SEM) and XRD. The optical and electrical properties and the thermal stability of PEDOT nanoparticles were investigated. The results show that the amount of oxidizer, ultrasonic treatment, polymerizing temperature and doping degree have different influence on morphology, electrical ability and gas sensitivity of PEDOT nanoparticles. The Bragg peaks of the nanoparticles at 6.7°, 12.7°, 25° were observed by XRD and this well orientation of molecular chain was due to the effective doping of p-toluenesulfonate, which also resulted in an enhancement of thermal stability of nanoparticles than conventional PEDOT.

Key words: Poly(3,4-ethylenedioxythiophene)(PEDOT), Conducting polymer, Reversed micelle, Nano-particle, Photoelectric property, Thermal stability

TrendMD:

ZHENG Hua-Jing*, JIANG Ya-Dong, XU Jian-Hua, YANG Ya-Jie. Photoelectric Properties and Thermal Stability of PEDOT Nanoparticles Based on Reversed Micelle Method[J]. Chem. J. Chinese Universities, 2010, 31(8): 1665.

References

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