نتایج جستجو برای: keywords conducting polymer

تعداد نتایج: 2098894  

2016
Li Yang Xiao Huang Adolf Gogoll Maria Strømme Martin Sjödin

The combination of high capacity redox active pendent groups and conducting polymers, realized in conducting redox polymers (CRPs), provides materials with high charge storage capacity that are electronically conducting which makes CRPs attractive for electrical energy storage applications. In this report, six polythiophene and poly(3,4-ethylenedioxythiophene)(PEDOT)-based CRPs with a diethyl t...

2018
Sam Rudd Juan F Franco-Gonzalez Sandeep Kumar Singh Zia Ullah Khan Xavier Crispin Jens W Andreasen Igor Zozoulenko Drew Evans

Owing to changes in their chemistry and structure, polymers can be fabricated to demonstrate vastly different electrical conductivities over many orders of magnitude. At the high end of conductivity is the class of conducting polymers, which are ideal candidates for many applications in low-cost electronics. Here, we report the influence of the nature of the doping anion at high doping levels w...

2017
Holly Warren Marc in het Panhuis

Hydrogels consisting of the conducting polymer PEDOT:PSS and the biopolymer gellan gum (GG) were characterized using electrical, mechanical and rheological methods. Compression testing and rheological analysis showed that the gels weakened with increasing PEDOT:PSS content. In contrast, the increasing PEDOT:PSS content resulted in an increasing electrical conductivity. Disciplines Medicine and ...

2008
Md. Aminur Rahman Pankaj Kumar Deog-Su Park Yoon-Bo Shim

Organic conjugated polymers (conducting polymers) have emerged as potentialcandidates for electrochemical sensors. Due to their straightforward preparation methods,unique properties, and stability in air, conducting polymers have been applied to energystorage, electrochemical devices, memory devices, chemical sensors, and electrocatalysts.Conducting polymers are also known to be compatible with...

2015
J. Senthil Govindan Nagarajan K. Neyvasagam

This article deals about the preparation and characterization of potassium, magnesium and ammonium ion conducting PMMA based gel polymer electrolytes. The gel polymer electrolytes were prepared by solution cast method. The formation polymer complex of ionic salts and PMMA were confirmed by FTIR. The ionic conductivities were measured by impedance spectroscopy at room temperature. It was found t...

Journal: :Advanced materials 2012
Nichole Cates Miller Eunkyung Cho Matthias J N Junk Roman Gysel Chad Risko Dongwook Kim Sean Sweetnam Chad E Miller Lee J Richter R Joseph Kline Martin Heeney Iain McCulloch Aram Amassian Daniel Acevedo-Feliz Christopher Knox Michael Ryan Hansen Dmytro Dudenko Bradley F Chmelka Michael F Toney Jean-Luc Brédas Michael D McGehee

The molecular packing in a polymer: fullerene bimolecular crystal is determined using X-ray diffraction (XRD), molecular mechanics (MM) and molecular dynamics (MD) simulations, 2D solid-state NMR spectroscopy, and IR absorption spectroscopy. The conformation of the electron-donating polymer is significantly disrupted by the incorporation of the electron-accepting fullerene molecules, which intr...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2010
Julio M D'Arcy Henry D Tran Vincent C Tung Alexander K Tucker-Schwartz Rain P Wong Yang Yang Richard B Kaner

The method employed for depositing nanostructures of conducting polymers dictates potential uses in a variety of applications such as organic solar cells, light-emitting diodes, electrochromics, and sensors. A simple and scalable film fabrication technique that allows reproducible control of thickness, and morphological homogeneity at the nanoscale, is an attractive option for industrial applic...

Journal: :Journal of materials chemistry. A 2017
E Mitraka M J Jafari M Vagin X Liu M Fahlman T Ederth M Berggren M P Jonsson X Crispin

The conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) has shown promise as air electrode in renewable energy technologies like metal-air batteries and fuel cells. PEDOT is based on atomic elements of high abundance and is synthesized at low temperature from solution. The mechanism of oxygen reduction reaction (ORR) over chemically polymerized PEDOT:Cl still remains controversial with ...

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