Recent Progress on Poly(3,4‐Ethylenedioxythiophene):Poly(Styrenesulfonate) Bioelectrodes

Author:

Du Xiaojia1,Yang Leyi1,Liu Nan12ORCID

Affiliation:

1. Beijing Key Laboratory of Energy Conversion and Storage Materials College of Chemistry Beijing Normal University Beijing 100875 China

2. Beijing Graphene Institute (BGI) Beijing 100095 China

Abstract

Sensing bioelectrical signals is of great significance to understand human disease. Reliable bioelectronic interface is the guarantee of high‐quality bioelectrical signals. The unique electrochemical property and the mixed ionic and electrical conductivity of poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) make it an ideal material for the skin/tissue–electronic interface. However, pristine PEDOT:PSS‐based devices cannot meet the requirements for practical use. Toward this end, herein, the development of PEDOT:PSS‐based electrodes and their most recent advances in sensing bioelectrical signals are summarized. First, the generation mechanism of bioelectrical signals is introduced in detail. Then, according to the characteristics of bioelectrical signals, the requirements of bioelectrodes are discussed. Next, representative achievements for improving conductivity, stretchability, and stability of PEDOT:PSS are introduced. Bioelectrical signals such as electromyogram (EMG), electrocardiogram (ECG), electrooculogram (EOG), and electroencephalogram (EEG) are successfully recorded by these PEDOT:PSS‐based electrodes. Finally, a brief summary is provided, and the opportunities and challenges are also discussed.

Funder

National Natural Science Foundation of China

Fundamental Research Funds for the Central Universities

Beijing Municipal Science and Technology Commission

National Science Foundation of China

Publisher

Wiley

Subject

General Earth and Planetary Sciences,General Environmental Science

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