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Effect of thickness on the electrical properties of PEDOT:PSS/Tween 80 films
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Carter, Joseph L., Kelly, Catherine A., Marshall, Jean Elizabeth and Jenkins, Mike J. (2024) Effect of thickness on the electrical properties of PEDOT:PSS/Tween 80 films. Polymer Journal, 56 . pp. 107-114. doi:10.1038/s41428-023-00854-w ISSN 0032-3896.
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Official URL: http://doi.org/10.1038/s41428-023-00854-w
Abstract
The lower material and manufacturing costs of conductive polymers, particularly PEDOT:PSS, compared to indium tin oxide have led to significant research into their use in optoelectric devices. In this study, improvements of the electrical properties of PEDOT:PSS and PEDOT:PSS/Tween 80 via the production of multilayered films were investigated. A single layer of pristine PEDOT:PSS was found to give a sheet resistance of 1639 Ω□–1. The application of an additional three layers reduced this value to 29 Ω□-1, corresponding to an increase in conductivity from 2.6 to 18.3 Scm–1. A similar trend was also found with formulations containing Tween 80. X-ray diffraction and Raman spectroscopy showed that the additional layers increased the crystalline order and induced a slight benzoid to quinoid shift. Surface profiling showed progressive increases in surface roughness with each additional layer of pristine PEDOT:PSS; however, this was mitigated by the presence of Tween 80 in the formulations.
Item Type: | Journal Article | |||||||||
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Subjects: | Q Science > QD Chemistry | |||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
Library of Congress Subject Headings (LCSH): | Conducting polymers, Polythiophenes, Electric conductivity, High-density polyethylene, Polymers | |||||||||
Journal or Publication Title: | Polymer Journal | |||||||||
Publisher: | Springer | |||||||||
ISSN: | 0032-3896 | |||||||||
Official Date: | February 2024 | |||||||||
Dates: |
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Volume: | 56 | |||||||||
Page Range: | pp. 107-114 | |||||||||
DOI: | 10.1038/s41428-023-00854-w | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||
Date of first compliant deposit: | 12 December 2023 | |||||||||
Date of first compliant Open Access: | 14 December 2023 | |||||||||
RIOXX Funder/Project Grant: |
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