A simple route of providing a soft interface for PEDOT: PSS film metallic electrodes without loss of their electrical interface parameters - Publication - Bridge of Knowledge

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A simple route of providing a soft interface for PEDOT: PSS film metallic electrodes without loss of their electrical interface parameters

Abstract

The work presents the development of a soft interface at PEDOT:PSS film without changing its electrical interface parameters. In the first step, PEDOT:PSS is electrodeposited on the commercial platinum electrode under the state-of-the-art conditions desirable for different electrochemical electrodes. Secondly, a pure hydrogel layer is deposited on the top of the electrodeposited PEDOT:PSS film under conditions that provide desirable mechanical properties (Young's modulus ∼10–20 kPa) and high permeability to ions from the solution. As a result, a PEDOT:PSS electrode with a soft interface desirable for different electrode applications is fabricated. The electrode exhibits electrical parameters at the same level as the state-of-the-art PEDOT:PSS film applied already for electrode applications. Moreover, the hydrogel layer additionally supports the polymeric film's electrochemical stability by inhibiting its oxidative degradation. The thickness of PEDOT film does not affect the overall electrochemical properties of the hydrogel electrode. The work shows that the specific choice of the hydrogel type and fabrication conditions allows to synthesis of the hydrogel interface on a stiff polymeric film, which does not block the ionic and electrical transfer. Moreover, the fabricated PEDOT:PSS electrode with hydrogel interface reveals interfacial impedance and potential window comparable or even better to the already published studies on PEDOT:PSS hydrogels.

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
ELECTROCHIMICA ACTA no. 507,
ISSN: 0013-4686
Language:
English
Publication year:
2024
Bibliographic description:
Cysewska K., Pawłowska S.: A simple route of providing a soft interface for PEDOT: PSS film metallic electrodes without loss of their electrical interface parameters// ELECTROCHIMICA ACTA -,iss. 507 (2024), s.145115-
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.electacta.2024.145115
Sources of funding:
Verified by:
Gdańsk University of Technology

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