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Wednesday, 30 September 2020
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Raw materials & technologies, Technologies

Highly conductive and thermally stable nanoparticle-conjugated polymer compounds

Monday, 20 July 2020

A new paper introduces an environmentally-friendly in situ synthesis of highly conductive and thermally stable nanoparticle-conjugated polymer nano-compounds.

An environmentally-friendly in situ synthesis of highly conductive and thermally stable nanoparticle-conjugated polymer nano-compounds has been indroduced. Image source: Shawn Hempel - stock.adobe.com (symbol image).
An environmentally-friendly in situ synthesis of highly conductive and thermally stable nanoparticle-conjugated polymer nano-compounds has been ind...

The water-based in situ chemical synthesis enables the successful polymerisation of conductive, conjugated polypyrrole: polystyrene sulfonate (PPY:PSS) polymer and the incorporation of silver (Ag) nanoparticles without morphological deformation.

The Ag nanoparticles dispersed within the PPY:PSS acted as a mass transport barrier, thus enhancing the thermal stability of the obtained Ag-PPY:PSS. In addition, the enhanced electrical conductivity of Ag-PPY:PSS was attributed to the embedded Ag nanoparticles generating a low-contact resistance conduction pathway, thereby facilitating inter-chain charge transport.

Tuned conductivity

Moreover, the conductivity of Ag-PPY:PSS was well tuned by controlling the weight percentage of Ag nanoparticles in the reaction mixture.

The environmentally-friendly synthesis of highly conductive and thermally stable nano-compounds is supposed to contribute to the realisation of next-generation green electronic applications.

The paper has been published in Progress in Organic Coatings, Volume 142, May 2020.

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