نتایج جستجو برای: conductive polymers

تعداد نتایج: 87962  

2012
Oliver K. Johnson Daniel Seegmiller David T. Fullwood David Fullwood

Properties of various conductive nano-composites are dominated by quantum-level effects across small barriers created by the matrix material. The properties of the matrix clearly have a vital influence on the resultant behavior of the material. However, the quantification of the relevant matrix properties at the quantum level is difficult to measure using current techniques. This paper reports ...

Journal: :Chemical communications 2012
Gian Luca De Gregorio Rita Agosta Roberto Giannuzzi Francesca Martina Luisa De Marco Michele Manca Giuseppe Gigli

Four different species of ionically conductive polymers were synthesized and successfully implemented to formulate novel quasi-solid electrolytes for dye solar cells. A power conversion efficiency superior to 85% of the correspondent liquid electrolyte as well as an excellent cell's stability was demonstrated after 500 days of storage.

2017
Megi Kamenica Raghuram Reddy Kothur Alison Willows Bhavik A. Patel Peter J. Cragg

The detection and monitoring of lithium in environmental and clinical settings is becoming increasingly important. In this review, sensors incorporating conductive polymers and lithium bronzes are discussed, together with electrochemical and spectroscopic approaches. Ionophore-based methods have been employed extensively, with varying degrees of selectivity and sensitivity, and these are discus...

Journal: :Journal of the American Chemical Society 2013
Mingyan Wu Xingcheng Xiao Nenad Vukmirovic Shidi Xun Prodip K Das Xiangyun Song Paul Olalde-Velasco Dongdong Wang Adam Z Weber Lin-Wang Wang Vincent S Battaglia Wanli Yang Gao Liu

The dilemma of employing high-capacity battery materials and maintaining the electronic and mechanical integrity of electrodes demands novel designs of binder systems. Here, we developed a binder polymer with multifunctionality to maintain high electronic conductivity, mechanical adhesion, ductility, and electrolyte uptake. These critical properties are achieved by designing polymers with prope...

Journal: :Journal of the American Chemical Society 2013
Nanwen Li Yongjun Leng Michael A Hickner Chao-Yang Wang

To produce an anion-conductive and durable polymer electrolyte for alkaline fuel cell applications, a series of quaternized poly(2,6-dimethyl phenylene oxide)s containing long alkyl side chains pendant to the nitrogen-centered cation were synthesized using a Menshutkin reaction to form comb-shaped structures. The pendant alkyl chains were responsible for the development of highly conductive ion...

2011
Raymond Oliver Anne Toomey

Innovation in materials drives new technologies in the 1930’s DuPont and ICI discovered and developed Nylon and Polyethylene polymerisation. Today, a new wave of conjugated conductive polymers is emerging, with electronic properties akin to Silicon with effects & interactions stemming from the electronic configuration within the material allowing them to be programmed, through their electron mo...

2017

In recent years, developments of inorganic–organic hybrid materials on nanometer scale have been receiving significant attention due to a wide range of potential applications and high absorption in the visible part of the spectrum and high mobility of the charge carriers [1-3]. Conductive polymer with polyaromatic backbone including polypyrrole, polythiophene, polyaniline, etc. The received a g...

2015
Zhen Liu Xiaoxia Liu Z. Liu X. X. Liu

Due to its convenience, wear ability, affinity, continuously monitoring biological signal, etc., fabric electrodes used in biological signal acquisition attracted more and more interest from researchers around the world. Fabric electrode is a kind of intelligent textiles, and its application is very prominent in biological signal acquisition, supercapacitors and ECG (electric signal) monitoring...

Journal: :Materials advances 2022

Thermally conductive polymers are highly desired as electrical insulation materials in power-electronic and machines toward high power density payload efficiencies.

Journal: :ACS applied materials & interfaces 2014
Souvik Ghosh Rui Yang Michelle Kaumeyer Christian A Zorman Stuart J Rowan Philip X-L Feng R Mohan Sankaran

We describe a direct-write process for producing electrically conductive metal patterns at the surface of polymers. Thin films of poly(acrylic acid) (PAA) loaded with Ag ions are reduced by a scanning, atmospheric-pressure microplasma to form crystalline Ag features with a line width of 300 μm. Materials analysis reveals that the metallization occurs in a thin layer of ∼5 μm near the film surfa...

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