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| Study on the Preparation of Paper-based Conductive Polymer Films and the Enhancement Mechanism of Their Electrical Conductivity |
| Received:October 05, 2020 |
| DOI：10.11981/j.issn.1000-6842.2021.04.25 |
| Key Words:paper-based electrode;PEDOT ∶ PSS;post-treatment;conductivity;bar coating |
| Fund Project:国家自然科学基金资助项目（22078186）；陕西省重点研发计划项目资助（2020GY-320）；国家新闻出版署智能与绿色柔版印刷重点实验室招标课题资助（ZBKT202106）。 |
| Author Name | Affiliation | Postcode | | LIU Guodong* | College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021
Key Laboratory of Functional Printing and Transport Packaging of China National Light Industry， Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development， Key Laboratory of Paper based Functional Materials of China National Light Industry， Xi'an， Shaanxi Province， 710021
Shanghai Publishing and Printing College， Shanghai， 200093 | 200093 | | LI Jing | College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021
Shanghai Publishing and Printing College， Shanghai， 200093 | 200093 | | ZHANG Meiyun | College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021
Key Laboratory of Functional Printing and Transport Packaging of China National Light Industry， Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development， Key Laboratory of Paper based Functional Materials of China National Light Industry， Xi'an， Shaanxi Province， 710021 | 710021 | | LIU Yu | College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021 | 710021 | | LUO Ningning | College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi'an， Shaanxi Province， 710021 | 710021 |
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| Abstract: |
| The bar-coated film-forming property of PEDOT ∶ PSS （as the substrate） doping with mixed solvents （dimethyl sulfoxide + isopropanol） was studied in this research， the influence of doping ratios of dimethyl sulfoxide to isopropanol on the film-forming performance and conductivity was explored as well. In addition， different acids （p-toluene-sulfonic acid， hydrochloric acid， propanedioic acid， and acetic acid） in various mass fractions and different alcohols （methanol， ethylene glycol， glycerol， and isopropanol） were used for post-treatment to explore their effects on the conductivity of PEDOT ∶ PSS film. The mechanisms of improving the conductivity of PEDOT ∶ PSS film by organic solvent doping and acid/alcohol post-treatment were discussed in terms of molecular chain structure， the removing amount of PSS group， and the degree of crystallization of PEDOT ∶ PSS. The optimum doping ratio of organic solvent and paper-based PEDOT ∶ PSS conductive film was confirmed and obtained consequently， and mechanism for enhancing the conductivity of the film was determined， which provided theoretical basis and practical supports for the use of paper-based materials in flexible electrode in the future. |
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