Electrodeposition of Zwitterionic PEDOT Films for Conducting and Antifouling Surfaces

Langmuir : the ACS Journal of Surfaces and Colloids
Tatsuro Goda, Yuji Miyahara

Abstract

Conferring antifouling properties can extend the use of conducting polymers in biosensors and bioelectronics under complex biological conditions. On the basis of the antifouling properties of a series of zwitterionic polymers, we synthesized new thiophene-based compounds bearing a phosphorylcholine, carboxybetaine, or sulfobetaine pendant group. The monomers were synthesized by a facile reaction of thiol-functionalized 3,4-ethylenedioxythiophene with zwitterionic methacrylates. Electrochemical copolymerization was performed to deposit zwitterionic poly(3,4-ethylenedioxythiophene) (PEDOT) films with tunable conducting and antifouling properties on a conducting substrate. Electrochemical impedance spectroscopy showed that the conductivity and capacitance decreased with increasing zwitterionic content in the films. Protein adsorption and cell adhesion studies showed the effects of the type and content of zwitterions on the antifouling characteristics. Optimization of the electrodeposition conditions enabled development of both conducting and antifouling polymer films. These antifouling conjugated functional polymers have promising applications in biological environments.

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Citations

Jan 10, 2020·The Analyst·Pei-Heng Lin, Bor-Ran Li
Oct 1, 2020·Journal of Functional Biomaterials·John H T LuongBansi D Malhotra
Feb 14, 2020·Chemical Communications : Chem Comm·Masaru MukaiAtsushi Takahara
Mar 9, 2021·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Ya-Qiong ZhangBo Zhu
May 22, 2021·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Srabanti GhoshRoberto Rosal
Jun 11, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Koichiro AsanoTsuyoshi Minami
Sep 26, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Chengcheng ZhangZhan Chen
Dec 19, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Wenfeng HaiWenming Wu
May 24, 2019·ACS Applied Materials & Interfaces·Jhih-Guang WuShyh-Chyang Luo
Dec 16, 2021·Chemical Reviews·Charalampos PitsalidisRóisín M Owens
Dec 29, 2021·Chemical Reviews·Kyoung Won ChoDae-Hyeong Kim

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