Results 31 to 40 of about 77,174 (333)

Removal of heavy metal ions from wastewater by capacitive deionization using polypyrrole/chitosan composite electrode

open access: yesAdsorption Science & Technology, 2019
A polypyrrole/chitosan composite material was obtained by chemical polymerization. The adsorption performance of a hot-molded polypyrrole/chitosan composite electrode was tested by adsorption/desorption experiments.
Yujie Zhang   +3 more
doaj   +1 more source

Organic electrode coatings for next-generation neural interfaces [PDF]

open access: yes, 2014
Traditional neuronal interfaces utilize metallic electrodes which in recent years have reached a plateau in terms of the ability to provide safe stimulation at high resolution or rather with high densities of microelectrodes with improved spatial ...
Abidian   +222 more
core   +2 more sources

Performance modelling of textile solar cell developed by carbon fabric/polypyrrole flexible counter electrode

open access: yesInternational Journal of Sustainable Energy, 2022
In this research, the carbon fabric (CF) is coated with polypyrrole (PPy) monomer via electropolymerisation and used as a flexible counter electrode. The polypyrrole coated carbon fabric (PPy-CF) counter electrode surface shows a homogenous coating of ...
Mahmoud Saberi Motlagh   +4 more
doaj   +1 more source

The metallic state in disordered quasi-one-dimensional conductors [PDF]

open access: yes, 2000
The unusual metallic state in conjugated polymers and single-walled carbon nanotubes is studied by dielectric spectroscopy (8--600 GHz). We have found an intriguing correlation between scattering time and plasma frequency.
A. Gaymann   +23 more
core   +3 more sources

Electrical Conductivity Based Ammonia Sensing Properties of Polypyrrole/MoS2 Nanocomposite

open access: yesPolymers, 2020
Polypyrrole (PPy) and Polypyrrole/MoS2 (PPy/MoS2) nanocomposites were successfully prepared, characterized and studied for ammonia sensing properties.
Sharique Ahmad   +4 more
semanticscholar   +1 more source

Surface modifications of graphene-based polymer nanocomposites by different synthesis techniques [PDF]

open access: yes, 2012
With the appropriate surface treatments, graphene sheets can be separated from graphite material and the layer-to-layer distance can be extended. In the present work, graphene nanosheets (GNS) were separated from graphite by an improved, safer and mild ...
Alkan Gursel, Selmiye   +4 more
core   +1 more source

Ternary Composite MnO2@MoS2/Polypyrrole from In-situ Synthesis for Binder-free and Flexible Supercapacitor

open access: yesJournal of Bioresources and Bioproducts, 2019
: MnO2@MoS2/Polypyrrole ternary composite is prepared through hydrothermal methods and a simple oxidation process by using MnO2@MoS2 sheet as the substrate and polypyrrole.
Dubin Dong
doaj   +1 more source

Radio frequency plasma assisted surface modification of Fe3O4 nanoparticles using polyaniline/polypyrrole for bioimaging and magnetic hyperthermia applications

open access: yesJournal of Materials Science: Materials in Medicine, 2021
Surface modification of superparamagnetic Fe3O4 nanoparticles using polymers (polyaniline/polypyrrole) was done by radio frequency (r.f.) plasma polymerization technique and characterized by XRD, TEM, TG/DTA and VSM.
Beena Mol   +8 more
doaj   +1 more source

Ascorbic Acid Sensing by Molecularly Imprinted Electrosynthesized Polymer (e-MIP) on Screen-Printed Electrodes

open access: yesChemosensors, 2023
This paper presents the development of a cheap and rapid electrochemical sensor for ascorbic acid detection. In particular, the graphite ink working electrode of screen-printed cells was covered by a film of elecrosynthesized molecularly imprinted ...
Giancarla Alberti   +3 more
doaj   +1 more source

Magnetic properties of polypyrrole - coated iron oxide nanoparticles

open access: yes, 2004
Iron oxide nanoparticles were prepared by sol -gel process. Insitu polymerization of pyrrole monomer in the presence of oxygen in iron oxide ethanol suspension resulted in a iron oxide - polypyrrole nanocomposite.
Chauhan P   +8 more
core   +2 more sources

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