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A Quick and Facile Solution-Processed Method for PEDOT:PSS Transparent Conductive Thin Film

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Title: A Quick and Facile Solution-Processed Method for PEDOT:PSS Transparent Conductive Thin Film
Authors: Mei Bao Lee, Chiew Tin Lee, William Woei Fong Chong, Suhaila Mohd Sanip
Source: International Islamic University Malaysia Engineering Journal, Vol 24, Iss 1 (2023)
Publisher Information: IIUM Press, International Islamic University Malaysia, 2023.
Publication Year: 2023
Collection: LCC:Engineering (General). Civil engineering (General)
Subject Terms: PEDOT:PSS, Thin film, Sheet resistance, Transmittance, Figure of merit, Engineering (General). Civil engineering (General), TA1-2040
More Details: PEDOT:PSS is a conducting organic polymer widely studied for a transparent conductive electrode. The conventional method to fabricate PEDOT:PSS thin film involves a post-treatment process entailing dipping into strong and toxic saturated acid to enhance the film’s conductivity. Eliminating the post-treatment process reduces excess strong saturated acid or solvent waste, shortening the fabricating time by half. Therefore, this study presents a quick and facile solution-processed method for fabricating the PEDOT:PSS transparent conductive thin film (without a post-treatment process) while still achieving the requirements for a transparent conductive electrode (TCE). A parametric study was conducted by adding 5 wt% to 80 wt% of benzene sulfonic acid (BA) to PEDOT:PSS during the formulation stage before being dried at elevated temperatures from 80 °C to 200 °C. The optimum sheet resistance and transmittance value could be achieved for a thin film fabricated from PEDOT:PSS added with 40 wt% of BA, and dried at 120 °C. The sheet resistance and transmittance values are 80 ?/sq and 93.6%, respectively. The generated figure of merit (FOM) value is 70.1, indicating an improvement of almost five times compared to the FOM value of 14.6 generated using the conventional method, requiring a post-treatment process. ABSTRAK: PEDOT:PSS adalah bahan polimer organik yang mengkonduksi arus dan dikaji secara meluas bagi digunakan sebagai elektrod konduktif telus. Kaedah konvensional untuk menghasilkan filem nipis PEDOT:PSS melibatkan proses pasca rawatan iaitu dengan mencelupkan filem nipis PEDOT:PSS ke dalam asid pekat bertoksik bagi meningkatkan konduksi filem tersebut. Tanpa proses pasca rawatan ini dapat mengurangkan penghasilan sisa lebihan seperti asid pekat bertoksik atau pelarut buangan, memendekkan masa fabrikasi sebanyak separuh. Oleh itu, kajian ini menghasilkan kaedah proses-penyelesaian yang cepat dan mudah bagi fabrikasi filem nipis PEDOT:PSS (tanpa proses pasca rawatan) disamping masih mencapai keperluan sebagai elektrod konduktif telus (TCE). Kajian parametrik telah dijalankan dengan menambah 5 wt% hingga 80 wt% asid sulfonik benzena (BA) ke dalam PEDOT:PSS pada peringkat percampuran kimia sebelum dikeringkan pada kenaikan suhu secara berperingkat dari 80 °C sehingga 200 °C. Nilai optimum bagi rintangan lapisan dan nilai ketelusan bagi filem nipis PEDOT:PSS yang difabrikasi dapat dicapai melalui penambahan sebanyak 40 wt% BA dan dikeringkan pada suhu 120 °C. Rintangan lapisan dan nilai ketelusan telah dicapai sebanyak 80 ?/sq dan 93.6%, masing-masing. Nilai gambaran merit (FOM) yang terhasil adalah 70.1, menunjukkan peningkatan hampir lima kali ganda berbanding nilai FOM 14.6 yang terhasil menggunakan kaedah konvensional yang memerlukan proses pasca-rawatan.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 1511-788X
2289-7860
Relation: https://journals.iium.edu.my/ejournal/index.php/iiumej/article/view/2382; https://doaj.org/toc/1511-788X; https://doaj.org/toc/2289-7860
DOI: 10.31436/iiumej.v24i1.2382
Access URL: https://doaj.org/article/8feb81516e4f4840871b077c19ef5c63
Accession Number: edsdoj.8feb81516e4f4840871b077c19ef5c63
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  Data: A Quick and Facile Solution-Processed Method for PEDOT:PSS Transparent Conductive Thin Film
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  Data: <searchLink fieldCode="AR" term="%22Mei+Bao+Lee%22">Mei Bao Lee</searchLink><br /><searchLink fieldCode="AR" term="%22Chiew+Tin+Lee%22">Chiew Tin Lee</searchLink><br /><searchLink fieldCode="AR" term="%22William+Woei+Fong+Chong%22">William Woei Fong Chong</searchLink><br /><searchLink fieldCode="AR" term="%22Suhaila+Mohd+Sanip%22">Suhaila Mohd Sanip</searchLink>
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  Data: International Islamic University Malaysia Engineering Journal, Vol 24, Iss 1 (2023)
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  Data: IIUM Press, International Islamic University Malaysia, 2023.
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  Data: 2023
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  Data: LCC:Engineering (General). Civil engineering (General)
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  Data: <searchLink fieldCode="DE" term="%22PEDOT%3APSS%22">PEDOT:PSS</searchLink><br /><searchLink fieldCode="DE" term="%22Thin+film%22">Thin film</searchLink><br /><searchLink fieldCode="DE" term="%22Sheet+resistance%22">Sheet resistance</searchLink><br /><searchLink fieldCode="DE" term="%22Transmittance%22">Transmittance</searchLink><br /><searchLink fieldCode="DE" term="%22Figure+of+merit%22">Figure of merit</searchLink><br /><searchLink fieldCode="DE" term="%22Engineering+%28General%29%2E+Civil+engineering+%28General%29%22">Engineering (General). Civil engineering (General)</searchLink><br /><searchLink fieldCode="DE" term="%22TA1-2040%22">TA1-2040</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: PEDOT:PSS is a conducting organic polymer widely studied for a transparent conductive electrode. The conventional method to fabricate PEDOT:PSS thin film involves a post-treatment process entailing dipping into strong and toxic saturated acid to enhance the film’s conductivity. Eliminating the post-treatment process reduces excess strong saturated acid or solvent waste, shortening the fabricating time by half. Therefore, this study presents a quick and facile solution-processed method for fabricating the PEDOT:PSS transparent conductive thin film (without a post-treatment process) while still achieving the requirements for a transparent conductive electrode (TCE). A parametric study was conducted by adding 5 wt% to 80 wt% of benzene sulfonic acid (BA) to PEDOT:PSS during the formulation stage before being dried at elevated temperatures from 80 °C to 200 °C. The optimum sheet resistance and transmittance value could be achieved for a thin film fabricated from PEDOT:PSS added with 40 wt% of BA, and dried at 120 °C. The sheet resistance and transmittance values are 80 ?/sq and 93.6%, respectively. The generated figure of merit (FOM) value is 70.1, indicating an improvement of almost five times compared to the FOM value of 14.6 generated using the conventional method, requiring a post-treatment process. ABSTRAK: PEDOT:PSS adalah bahan polimer organik yang mengkonduksi arus dan dikaji secara meluas bagi digunakan sebagai elektrod konduktif telus. Kaedah konvensional untuk menghasilkan filem nipis PEDOT:PSS melibatkan proses pasca rawatan iaitu dengan mencelupkan filem nipis PEDOT:PSS ke dalam asid pekat bertoksik bagi meningkatkan konduksi filem tersebut. Tanpa proses pasca rawatan ini dapat mengurangkan penghasilan sisa lebihan seperti asid pekat bertoksik atau pelarut buangan, memendekkan masa fabrikasi sebanyak separuh. Oleh itu, kajian ini menghasilkan kaedah proses-penyelesaian yang cepat dan mudah bagi fabrikasi filem nipis PEDOT:PSS (tanpa proses pasca rawatan) disamping masih mencapai keperluan sebagai elektrod konduktif telus (TCE). Kajian parametrik telah dijalankan dengan menambah 5 wt% hingga 80 wt% asid sulfonik benzena (BA) ke dalam PEDOT:PSS pada peringkat percampuran kimia sebelum dikeringkan pada kenaikan suhu secara berperingkat dari 80 °C sehingga 200 °C. Nilai optimum bagi rintangan lapisan dan nilai ketelusan bagi filem nipis PEDOT:PSS yang difabrikasi dapat dicapai melalui penambahan sebanyak 40 wt% BA dan dikeringkan pada suhu 120 °C. Rintangan lapisan dan nilai ketelusan telah dicapai sebanyak 80 ?/sq dan 93.6%, masing-masing. Nilai gambaran merit (FOM) yang terhasil adalah 70.1, menunjukkan peningkatan hampir lima kali ganda berbanding nilai FOM 14.6 yang terhasil menggunakan kaedah konvensional yang memerlukan proses pasca-rawatan.
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  Data: https://journals.iium.edu.my/ejournal/index.php/iiumej/article/view/2382; https://doaj.org/toc/1511-788X; https://doaj.org/toc/2289-7860
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      – SubjectFull: Sheet resistance
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