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PEDOT : PSS conductivity enhancement through addition of the surfactant Tween 80
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Carter, Joseph L., Kelly, Catherine A., Marshall, Jean, Hammond, Vicki, Goodship, Vannessa and Jenkins, Mike J. (2022) PEDOT : PSS conductivity enhancement through addition of the surfactant Tween 80. Polymers, 14 (23). 5072. doi:10.3390/polym14235072 ISSN 2073-4360.
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WRAP-PEDOT-PSS-conductivity-enhancement-through-addition-surfactant-Tween-80-2022.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (699Kb) | Preview |
Official URL: http://dx.doi.org/10.3390/polym14235072
Abstract
Replacement of indium tin oxide with the intrinsically conducting polymer poly(3,4–ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) has been of significant interest in recent years as a result of lower processing and material costs. In addition, the inclusion of additives has been reported to further enhance the conductivity, rheology, and wettability of PEDOT:PSS. In this study, Tween 80 was shown to decrease the sheet resistance of PEDOT:PSS films from approximately 1000 to 76 Ω□−1 at a 2.67 wt% surfactant concentration. Through X-ray diffraction, Raman spectroscopy, and atomic force microscopy, it was shown that the surfactant caused phase separation and structural ordering of the PEDOT and PSS components, leading to this improvement in conductivity. Furthermore, Tween 80 altered the rheological properties and decreased the surface tension of PEDOT:PSS, making coating common commodity polymers, often used as flexible substrates, more viable.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QC Physics Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
| Library of Congress Subject Headings (LCSH): | Polythiophenes -- Industrial applications, Electric conductivity, Conducting polymers , Surface active agents , Surface tension , Polymers, Thin films | |||||||||
| Journal or Publication Title: | Polymers | |||||||||
| Publisher: | M D P I AG | |||||||||
| ISSN: | 2073-4360 | |||||||||
| Official Date: | 22 November 2022 | |||||||||
| Dates: |
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| Volume: | 14 | |||||||||
| Number: | 23 | |||||||||
| Article Number: | 5072 | |||||||||
| DOI: | 10.3390/polym14235072 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access (Creative Commons) | |||||||||
| Date of first compliant deposit: | 23 November 2022 | |||||||||
| Date of first compliant Open Access: | 23 November 2022 | |||||||||
| RIOXX Funder/Project Grant: |
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