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Journal ArticleDOI

Conducting polymer hydrogels

Jaroslav Stejskal
- 01 Feb 2017 - 
- Vol. 71, Iss: 2, pp 269-291
TLDR
In this article, the properties of conducting polymer hydrogels, such as mixed electronic and ionic conductivity, redox activity, and responsivity, are conveniently combined with materials properties afforded by supporting polymers such as elasticity, mechanical integrity and biocompatibility.
Abstract
Conducting polymer hydrogels are gels, which are swollen with water, and contain a conducting polymer along with a supporting polymer as constituents. Polyaniline, polypyrrole or poly(3,4-ethylenedioxythiophene) represent the conducting moiety, while water-soluble polymers the other part. Various ways of hydrogel preparation are reviewed. The properties, such as mixed electronic and ionic conductivity, redox activity, and responsivity, are conveniently combined with materials properties afforded by supporting polymers, such as elasticity, mechanical integrity, and biocompatibility. The derived materials, aerogels obtained after freeze-drying of hydrogels, or carbogels produced after carbonization of aerogels, are also considered. The applications are expected especially in biomedicine and energy-storage devices but many other uses proposed in the literature are listed and discussed.

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Citations
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Journal ArticleDOI

Conducting polymers: a comprehensive review on recent advances in synthesis, properties and applications

TL;DR: In this article, a review of composites of conducting polymers with carbonaceous materials, metal oxides, transition metals and transition metal dichalcogenides is presented, which help to explain the conduction mechanism, relevant synthesis approaches, and physical properties including electrical, optical and mechanical properties.
Journal ArticleDOI

Functional Stimuli-Responsive Gels: Hydrogels and Microgels

TL;DR: A new generation of functional stimuli-responsive polymer hydrogels able to self-shape (shape-memory) and/or self-repair is focused on, which could be considered as the closing loop for smart polymeric gels.
Journal ArticleDOI

Interaction of conducting polymers, polyaniline and polypyrrole, with organic dyes: polymer morphology control, dye adsorption and photocatalytic decomposition

TL;DR: In this paper, a review of the interaction between conducting polymers and organic dyes can be found, where the authors consider three fundamental directions that have been so far treated separately: conductivity enhancement, morphology control, and photocatalytic decomposition.
Journal ArticleDOI

Conjugated polymers and composites for stretchable organic electronics

TL;DR: In this paper, the authors discuss the recent attempts in designing and engineering conjugated polymers and their composites to incorporate new mechanical and physical characteristics that are not intrinsic to these organic materials, such as stretchability and self-healing abilities.
References
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PatentDOI

Metal-free bifunctional electrocatalyst for oxygen reduction and oxygen evolution reactions

TL;DR: A mesoporous carbon foam co-doped with nitrogen and phosphorus that has a large surface area and good electrocatalytic properties for both ORR and OER and is tested as an air electrode for primary and rechargeable Zn-air batteries.
Journal ArticleDOI

POLYANILINE. PREPARATION OF A CONDUCTING POLYMER (IUPAC Technical Report)

TL;DR: In this article, aniline hydrochloride was oxidized with ammonium peroxydisulfate in aqueous medium at ambient temperature and the electrical conductivity of polyaniline was measured at room temperature.
Journal ArticleDOI

Stable Li-ion battery anodes by in-situ polymerization of conducting hydrogel to conformally coat silicon nanoparticles

TL;DR: Infiltration of a conducting polymer hydrogel into Si-based anodes results in a well-connected three-dimensional network structure consisting of Si nanoparticles conformally coated by the conducting polymer, demonstrating a cycle life of 5,000 cycles with over 90% capacity retention at current density.
Journal ArticleDOI

Hierarchical nanostructured conducting polymer hydrogel with high electrochemical activity

TL;DR: The scalable synthesis and excellent electrode performance of the PAni hydrogel make it an attractive candidate for bioelectronics and future-generation energy storage electrodes.
Journal ArticleDOI

Hydrogel biomaterials: A smart future?

TL;DR: The application potential of synthetic, protein based, DNA based, and hybrid hydrogels bodes well for the future of this class of biomaterials.
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