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Effect of bisphenols on the electrical conductivity and structure of poly(3,4-ethylenedioxythiophene): poly(styrene sulfonate)

Polymer Journal volume 54, pages 707–713 (2022)Cite this article

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Abstract

Poly(3,4-ethylenedioxythiophene) doped with poly(4-styrene sulfonate) (PEDOT: PSS) films have strong potential for application in flexible transparent conductive electrodes. As secondary dopants, some polar solvents, such as methanol, dimethyl sulfoxide, and N,N-dimethylformamide, have been revealed to enhance the electrical conductivity of PEDOT: PSS by orders of magnitude. In this study, the electrical conductivity of PEDOT: PSS is shown to be enhanced by a bisphenol additive, bis (4-hydroxyphenyl) sulfone (BPS). The effects of BPS on the chemical structure of PEDOT: PSS were investigated using X-ray diffraction, Fourier transform infrared (FTIR) spectroscopy, and transmission electron microscopy. The PEDOT: PSS conformation is found to undergo a transformation into a highly conductive structure following the addition of BPS.

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Acknowledgements

This work was supported by the Research Foundation for the Electrotechnology of Chubu.

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Authors and Affiliations

  1. Department of Applied Chemistry, College of Engineering, Chubu University, Matsumoto, Kasugai, 487-8501, Japan

    Seira Morimune-Moriya, Hiroaki Tanahashi, Kazui Sasaki & Keiya Obara

  2. Nagoya Industrial Science Research Institute, Yotsuya, Chikusa, Nagoya, 464-0819, Japan

    Shigeji Konagaya

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  1. Seira Morimune-Moriya
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Correspondence to Seira Morimune-Moriya.

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Morimune-Moriya, S., Tanahashi, H., Sasaki, K. et al. Effect of bisphenols on the electrical conductivity and structure of poly(3,4-ethylenedioxythiophene): poly(styrene sulfonate). Polym J 54, 707–713 (2022). https://doi.org/10.1038/s41428-022-00617-z

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