Abstract

A new method for the production of nanocomposites, composed of gold nanoparticles (AuNPs) and (vinylbenzyl)trimethylammonium chloride-co-N,N-methylene bisacrylamide (VBTAC-co-MBA) hydrogel, is described. Raw-AuNPs of defined optical and granulometric properties were synthesized using direct current atmospheric pressure glow discharge (dc-APGD) generated in contact with a solution of HAuCl4. Different approaches to the polymerization-driven synthesis of Au/VBTAC-co-MBA nanocomposites were tested. It was established that homogenous dispersion of AuNPs in this new nanomaterial with was achieved in the presence of NaOH in the reaction mixture. The new nanocomposite was found to have excellent heat-transfer properties.

Highlights

  • Nanotechnology has gained a great deal of attention in societies all over the world

  • The symmetrical shape of the localized surface plasmon resonance (LSPR) absorption band indicated that monodisperse and uniform AuNPs were likely synthesized [15,16]

  • A new method was developed for the immobilization of the raw-AuNPs, synthesized by direct current atmospheric pressure glow discharge (dc-APGD)

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Summary

Introduction

The production and utilization of various nanomaterials (NMs) is recognized as a major factor facilitating an improved quality of human life. This includes enhancement of human health [1,2], conservation of cultural heritage [3], production or management of energy resources [4], and so on. Prime examples include difficulties in synthesizing AuNPs of specific size and shape, as well as in purification of Au nanostructures from post-reaction mixtures that contain unreacted reagents and possibly toxic byproducts [7]. The reduction of metal ions to their metallic, nanometric forms is mediated through the production of reactive oxygen and nitrogen species (RONS)

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