Flexible conducting polymer/reduced graphene oxide films: synthesis, characterization, and electrochemical performance

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Abstract

© 2015, Yang et al.; licensee Springer. In this paper, we demonstrate the preparation of a flexible poly (3,4-ethylenedioxythiophene) -poly (styrenesulfonate)/reduced graphene oxide (PEDOT-PSS/RGO) film with a layered structure via a simple vacuum filtered method as a high performance electrochemical electrode. The PEDOT-PSS/RGO films are characterized by scanning electron microscopy (SEM), X-ray diffraction, Raman spectroscopy, and Fourier transform infrared (FT-IR) spectrometry. The results indicate that a layer-ordered structure is constructed in this nanocomposite during the vacuum filtering process. The electrochemical performances of the flexible films are characterized by electrochemical impedance spectroscopy, cyclic voltammetry, and galvanostatic charge/discharge. The results reveal that a 193.7 F/g highly specific capacitance of nanocomposite film is achieved at a current density of 500 mA/g. This flexible and self-supporting nanocomposite film exhibits excellent cycling stability, and the capacity retention is 90.6 % after 1000 cycles, which shows promising application as high-performance electrode materials for flexible energy-storage devices.

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Yang, W., Zhao, Y., He, X., Chen, Y., Xu, J., Li, S., … Jiang, Y. (2015). Flexible conducting polymer/reduced graphene oxide films: synthesis, characterization, and electrochemical performance. Nanoscale Research Letters, 10(1). https://doi.org/10.1186/s11671-015-0932-1

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