High conductive copolymers of polypyrrole-α,ω-diamine polydimethylsiloxane

Kızılcan, Nilgün; Köken, Nesrin; Ustamehmetoğlu, Belkıs; Akar, Ahmet

doi:10.1016/j.eurpolymj.2006.05.016

Cited by 25 publications

(23 citation statements)

References 19 publications

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“…[3] They state that they used Tegomer A Si-2120 from Goldschmidt (Essen, Germany) as comonomer. Goldschmidt confirmed on our request that they do not have such a product but, from the chemical description,…”

Section: Resultsmentioning

confidence: 99%

“…The procedure by Akar and coworkers [3] was precisely followed. Solution 1 contained pyrrole and DA-PDMS.…”

Section: Experimental Partmentioning

confidence: 99%

“…No. 3, we assumed a stoichiometric ratio of Ce IV to pyrrole of 2.33 to 1 and calculated the concentration of the individual solutions from the Akar paper [3] (V 1 and V 2 being the unknown volumes of the two solutions that have to be combined, and c and n the respective reaction concentrations and molar amounts):…”

Section: Communicationmentioning

confidence: 99%

“…A further complication other than the sheer mass of literature available is that its quality differs tremendously, from reproducible, high quality papers to articles that report non-reproducible results and thereby impair research progress. A paper that has been published recently by Akar and co-workers [3] has attracted our interest. What makes it worth commenting on is that the authors claim to have obtained a polypyrrole block copolymer with a conductivity of up to 4 000 S Á cm À1 .…”

Section: Introductionmentioning

confidence: 99%

“…In the following, we report our experience and findings in the attempt to reproduce the data given in ref. [3] .…”

Section: Introductionmentioning

confidence: 99%

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Highly Conductive Polypyrrole Copolymers?

Lienkamp¹,

Wegner²

2007

Macromol. Rapid Commun.

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In a recent publication by Akar and co‐workers (Eur. Polym. J. 2006, 42, 2361), it was claimed that bulk polypyrrole with a conductivity of 4 000 S · cm−1 was obtained by a simple chemical synthesis. If reproducible, this would be a quite revolutionary result for the polymer electronics community. In this communication, we report that this result is not reproducible, and demonstrate, by comparison to literature results, that it is also not plausible.

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Section: Resultsmentioning

confidence: 99%

“…The procedure by Akar and coworkers [3] was precisely followed. Solution 1 contained pyrrole and DA-PDMS.…”

Section: Experimental Partmentioning

confidence: 99%

Section: Communicationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…In the following, we report our experience and findings in the attempt to reproduce the data given in ref. [3] .…”

Section: Introductionmentioning

confidence: 99%

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Highly Conductive Polypyrrole Copolymers?

Lienkamp¹,

Wegner²

2007

Macromol. Rapid Commun.

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Recent Trends in Polypyrrole Electrochemistry, Nanostructuration, and Applications

Audebert

2010

Electropolymerization

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IntroductionThis chapter covers recent original research on polypyrrole, especially that pertaining to the last four or five years. It focuses on the synthesis and electrochemical properties of polypyrrole and polypyrrole derivatives, at the same time describing some interesting chemical syntheses and related composites. Physicochemical properties and related applications are mainly discussed, with a brief mention of the field of related biosensors and bioactive polymers. In fact, a more detailed discussion on these topics would make this article too long; moreover, there are several chapters in this book that are dedicated to this area.Since its original discovery by Diaz et al. [1a], polypyrrole progressively tends to become an old polymer. Meanwhile, the trend of the whole polypyrrole related research field follows its way, including many more technical progresses and focusing more on precise applications. However, it is possible to distinguish major and minor fields within this area. While research on new monomers has slowed down, investigations of new polymerization methods, both chemically and electrochemically, are still being carried out. The field of electrochemistry, for example, has seen a notable breakthrough in the use of ionic liquids for electrochemical synthesis, and there is a clear increase in research in the direction of syntheses of all kinds of prestructured media such as templates, emulsions, gels, nanoparticles arrays, membranes, and so on. After the initial excitement on research in the field of accumulators, enthusiasm in this area of application has dwindled; however, related applications such as supercapacitors continue to stimulate a steady amount of research work. Furthermore, the main focus of scientists is now on applications, especially on the design of polypyrrole derivatives fitted to specific purposes.Interesting reviews covering this field have appeared in recent years [1b,c]. These will be referred to in the chapter.This chapter is divided into three parts. The first part discusses the advances in polypyrrole synthesis, including new original monomers that appeared in the last five years, new polymerization procedures, and composites; a few recent fundamental studies on redox processes in polypyrrole are also mentioned. The Electropolymerization: Concepts, Materials and Applications. Edited by Serge Cosnier and Arkady Karyakin

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Living Bioelectronics: Strategies for Developing an Effective Long‐Term Implant with Functional Neural Connections

Goding

Gilmour

Aregueta‐Robles

et al. 2017

Adv Funct Materials

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Existing bionic implants use metal electrodes, which have low charge transfer capacity and poor tissue integration. This limits their use in next‐generation, high resolution devices. Coating and other modification techniques have been explored to improve the performance of metal electrodes. While this has enabled increased charge transfer properties and integration of biologically responsive components, stable long term performance remains a significant challenge. This progress report provides a background on electrode modification techniques, exploring state‐of‐the art approaches to improving implantable electrodes. The new frontier of cell‐based electronics, is introduced detailing approaches that use tissue engineering principles applied to bionic devices. These living bioelectronic technologies aim to enable devices to grow into target tissues, creating direct neural connections. Ideally, this approach will create a paradigm shift in biomedical electrode design. Rather than relying on unwieldy metal electrodes and direct current injection, living bioelectronics will use cells embedded within devices to provide communication through synaptic connections. This report details the challenge of designing electrodes that can bridge the technology gap between conventional metal electrode interfaces and new living electrodes through considering electrical, chemical, physical and biological characteristics.

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High conductive copolymers of polypyrrole-α,ω-diamine polydimethylsiloxane

Cited by 25 publications

References 19 publications

Highly Conductive Polypyrrole Copolymers?

Highly Conductive Polypyrrole Copolymers?

Recent Trends in Polypyrrole Electrochemistry, Nanostructuration, and Applications

Living Bioelectronics: Strategies for Developing an Effective Long‐Term Implant with Functional Neural Connections

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