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Sensors and Materials, Volume 31, Number 1(2) (2019)
Copyright(C) MYU K.K. All Rights Reserved.
pp. 211-219
S&M1761
https://doi.org/10.18494/SAM.2019.2116
Published: January 30, 2019

Improving the Quality and Electrical Properties of Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate) (PEDOT:PSS) Film by Heating and Stirring the Solution [PDF]

Juin J. Liou, Po-Hsun Hsu, Wen-Ray Chen, Dei-Wei Chou, Kuan-Wei Lee, Na-Fu Wang, Shih-Wei Feng, and Chien-Jung Huang

(Received August 23, 2018; Accepted November 26, 2018)

Keywords: PEDOT:PSS, heating and stirring, film hardness, closer structure

The improvement of the quality and electrical properties of a film will contribute to the stability and performance of an electronic product during component manufacturing. However, the pristine solution concentration ratio of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) to water is in the range of only 1.0–1.3 wt%. Therefore, the pristine conductivity of PEDOT:PSS is poor because the conductive PEDOT is dispersed in excess water, resulting in the limitation of carrier transmission. In this study, a simple method of removing excess water in PEDOT:PSS solution by heating and stirring is proposed. The heating and stirring of the PEDOT:PSS solution can not only change the structure but also increase the conductivity of the PEDOT:PSS film. It is an effective method of improving the quality and electrical properties of the film simultaneously. Moreover, the fabrication process for the PEDOT:PSS film in this study is different from that of the commonly used multilayer film. A single film of high quality can be obtained in a short process time by heating and stirring. A high-quality single film is better than a multilayer film.

Corresponding author: Wen-Ray Chen

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Cite this article
Juin J. Liou, Po-Hsun Hsu, Wen-Ray Chen, Dei-Wei Chou, Kuan-Wei Lee, Na-Fu Wang, Shih-Wei Feng, and Chien-Jung Huang, Improving the Quality and Electrical Properties of Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate) (PEDOT:PSS) Film by Heating and Stirring the Solution, Sens. Mater., Vol. 31, No. 1, 2019, p. 211-219.



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