Issue 8, 2024

Structural electrochemistry of poly(3,4-ethylenedioxythiophene) and its applicability as simultaneous sensor of environmental surroundings: self-sensing electrical, thermal, and chemical working conditions

Abstract

An extensive electrochemical investigation of PEDOT has been carried out with a particular focus on understanding the structural electrochemistry during its faradaic process, a topic that has not been previously explored in such detail. Using coulovoltammetry, we examined the diverse conformational states of PEDOT and the corresponding charge consumption, shedding new light on its electrochemical behavior. For the first time, we conducted a thorough coulovoltammetric study of PEDOT, which enables us to delve deeper into its unique electrochemical characteristics and reactions. By utilizing voltammetry, we also explored how the anodic and cathodic potential limits influence the various electrochemical processes involved in the PEDOT reaction. Moreover, we have analyzed PEDOT's reactive sensing capabilities towards its working environmental surrounding condition such as electrical, chemical and thermal conditions using both voltammetry and chronopotentiometry. The charge and electrical energy consumed during the reaction serve as essential sensing parameters, providing valuable insights into PEDOT's versatile applications as a biomimetic reactive sensor. Here we once again proved the simultaneous and biomimetic self-sensing property of a conducting polymer during actuation.

Graphical abstract: Structural electrochemistry of poly(3,4-ethylenedioxythiophene) and its applicability as simultaneous sensor of environmental surroundings: self-sensing electrical, thermal, and chemical working conditions

Supplementary files

Article information

Article type
Paper
Submitted
16 Nov 2023
Accepted
18 Jan 2024
First published
19 Jan 2024

J. Mater. Chem. A, 2024,12, 4583-4600

Structural electrochemistry of poly(3,4-ethylenedioxythiophene) and its applicability as simultaneous sensor of environmental surroundings: self-sensing electrical, thermal, and chemical working conditions

L. Rajan, M. P. Sidheekha, A. Shabeeba, T. F. Otero and Y. A. Ismail, J. Mater. Chem. A, 2024, 12, 4583 DOI: 10.1039/D3TA07081F

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