Influence of anionic and cationic polyelectrolytes on the conductivity and morphology of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) films

被引：11
作者：
Valtakari, Dimitar [1 ]
Bollstrom, Roger [2 ]
Toivakka, Martti [1 ]
Saarinen, Jarkko J. [1 ]
机构：
[1] Abo Akad Univ, Lab Paper Coating & Converting, Ctr Funct Mat Biol Interfaces FUNMAT, FI-20500 Turku, Finland
[2] Omya Int AG, CH-4665 Oftringen, Switzerland
来源：
THIN SOLID FILMS | 2015年 / 590卷
基金：
芬兰科学院;
关键词：
PEDOT:PSS; Polyelectrolyte; Conductivity; Printed functionality; Paper; SURFACE-PROPERTIES; COATED PAPERS; PAPER; FIBERS; MULTILAYERS; SENSORS;
D O I：
10.1016/j.tsf.2015.07.014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Conductivity of the poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) strongly depends on the film morphology, which can be altered by the presence of polyelectrolytes. Aqueous dispersion of PEDOT:PSS was studied with anionic sodium polyacrylate (PA) and cationic poly(dimethyldiallylammonium chloride) (pDADMAC) polyelectrolytes that are typically used in papermaking as retention aids and dispersing agents in the paper pigment coating formulations. Spin-coated PEDOT:PSS films on a PA coated glass formed non-uniform layers with lowered conductivity compared to the reference PEDOT:PSS films on a clean glass substrate. On contrary, spin-coated PEDOT:PSS on a pDADMAC coated glass formed uniform layers with good conductivity. These results point out the importance of surface chemistry when using renewable and recyclable paper-based substrates with the PEDOT:PSS films. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：170 / 176
页数：7
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