PEDOT:PSS Conductivity Enhancement through Addition of the Surfactant Tween 80

被引：11

作者：

Carter, Joseph L. ^{[1
]}

Kelly, Catherine A. ^{[1
]}

Marshall, Jean E. ^{[2
]}

Hammond, Vicki ^{[1
]}

Goodship, Vannessa ^{[2
]}

Jenkins, Mike J. ^{[1
]}

机构：

[1] Univ Birmingham, Sch Met & Mat, Birmingham B15 2TT, England

[2] Univ Warwick, Warwick Mfg Grp, Coventry CV4 7AL, England

来源：

POLYMERS | 2022年 / 14卷 / 23期

基金：

英国工程与自然科学研究理事会; 英国科研创新办公室;

关键词：

PEDOT; PSS; Tween; 80; sheet resistance; microstructural analysis; surface tension; polymer thin films; polymer blend films; SULFONATE) FILM; PSS; PERFORMANCE;

D O I：

10.3390/polym14235072

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

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 ohm(-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.

引用

页数：14

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