Highly Conductive Polymer PEDOT: PSS - Application in Biomedical and Bioelectrochemical Systems

Reshetilov, A. N.; Kitova, A. E.; Тарасов, С. Е.; Plekhanova, Yu. V.; Bykov, Alexander G.; Sundramoorthy, Ashok K.; Kuznetsova, I. E.; Kolesov, Vladimir; Готовцев, П. М.

doi:10.17725/rensit.2020.12.471

Cited by 6 publications

(2 citation statements)

References 37 publications

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“…8 Among the various polymers, poly(3,4-ethylene dioxythiophene): poly(4-styrene sulfonate) (PEDOT:PSS) had been commonly used in the preparation of anodes because of its high conductivity, electrocatalytic activity, fast electron transfer property, good biocompatibility, and higher stability. [16][17][18][19][20] In addition, PEDOT:PSS had been used to prepare hybrid systems with the improved electrical conductivity due to host and guest interactions. 21 On the other hand, the addition of conducting fillers to the polymers could improve the thermal conductivity of the polymers that can be used in electronic devices to solve the heat dissipation issues.…”

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confidence: 99%

Thermally Expanded Graphite Incorporated with PEDOT:PSS Based Anode for Microbial Fuel Cells with High Bioelectricity Production

Rose

Honnappa

Ganapathy

et al. 2022

J. Electrochem. Soc.

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Modification of anodes with highly biocompatible materials could enhance bacterial adhesion, growth, and improve the rate of electron-transfer ability in microbial fuel cells (MFCs). As such, there has been increasing interest in the development of innovative anode materials to prepare high-performance MFCs. We report the synthesis of poly(3,4-ethylene dioxythiophene):poly(4-styrene sulfonate) (PEDOT:PSS) doped with thermally expanded graphite (TEG) composite coated carbon felt (CF) as anode for MFCs. For this purpose, as-synthesized PEDOT:PSS/TEG composite was characterized using high-resolution scanning electron microscopy (HR-SEM), and Raman and Fourier transform infrared (FT-IR) spectroscopies which indicated successful incorporation of TEG within PEDOT:PSS film. Furthermore, the electrochemical activity of the PEDOT:PSS/TEG coated CF was employed as the anode in the MFCs with sewage water as an anolyte. PEDOT:PSS/TEG@CF anode exhibited higher ion-transfer ability, superior bio-electrochemical conductivity, and excellent capacitance. Using the PEDOT:PSS/TEG@CF anode, we have constructed MFCs which exhibited good power (68.7 mW/m2) and current (969.3 mA/m2) densities compared to the unmodified CF based anode. The reliability of the MFCs performance was also investigated by testing three independently prepared MFCs with PEDOT:PSS/TEG@CF anodes which all showed a constant voltage (~540 mV) due to the higher stability and biocompatibility of PEDOT:PSS/TEG@CF.

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confidence: 99%

Thermally Expanded Graphite Incorporated with PEDOT:PSS Based Anode for Microbial Fuel Cells with High Bioelectricity Production

Rose

Honnappa

Ganapathy

et al. 2022

J. Electrochem. Soc.

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“…To achieve the DET effect, a conductive polymer is often required to ensure a tight contact between the electrode surface and the active site of the enzyme. The use of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) has been extensively studied in recent decades in bioelectronics and biomedicine [ 21 , 22 ]. PEDOT:PSS possesses a low oxidative potential and high conductivity [ 23 ].…”

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confidence: 99%

Direct Bioelectrocatalytic Oxidation of Glucose by Gluconobacter oxydans Membrane Fractions in PEDOT:PSS/TEG-Modified Biosensors

et al. 2021

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Recent years have witnessed an ever-increasing interest in developing electrochemical biosensors based on direct electron transfer-type bioelectrocatalysis. This work investigates the bioelectrocatalytic oxidation of glucose by membrane fractions of Gluconobacter oxydans cells on screen-printed electrodes modified with thermally expanded graphite and poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). Electrooxidation of glucose was shown to occur without the presence of electron transport mediators. Chronoamperometric and cyclic voltametric characteristics showed an increase of anodic currents at electrode potentials of 0–500 mV relative to the reference electrode (Ag/AgCl). The direct electron transfer effect was observed for non-modified PEDOT:PSS as well as for PEDOT:PSS linked with crosslinkers and conductive fillers such as polyethylene glycol diglycidyl or dimethyl sulfoxide. Bioelectrodes with this composite can be successfully used in fast reagent-free glucose biosensors.

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Antifouling and stability enhancement of electrochemically modified reduced graphene oxide membranes for water desalination by forward osmosis

Edokali,

Mehrabi,

Cespedes

et al. 2024

Journal of Water Process Engineering

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Highly Conductive Polymer PEDOT: PSS - Application in Biomedical and Bioelectrochemical Systems

Cited by 6 publications

References 37 publications

Thermally Expanded Graphite Incorporated with PEDOT:PSS Based Anode for Microbial Fuel Cells with High Bioelectricity Production

Thermally Expanded Graphite Incorporated with PEDOT:PSS Based Anode for Microbial Fuel Cells with High Bioelectricity Production

Direct Bioelectrocatalytic Oxidation of Glucose by Gluconobacter oxydans Membrane Fractions in PEDOT:PSS/TEG-Modified Biosensors

Antifouling and stability enhancement of electrochemically modified reduced graphene oxide membranes for water desalination by forward osmosis

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