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Issue 11, 2019
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Graphene hybrid materials? The role of graphene materials in the final structure of hydrogels

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Abstract

Graphene (G), graphene oxide (GO) and graphene quantum dots (GQDs) have been introduced into a three-dimensional polymeric network based on polyacrylamide in order to ascertain the role of each nanomaterial in hydrogels. The hydrogel structure is not affected by the introduction of GQDs, since these nanoparticles do not form part of the polymeric network. G and GO modify the structure of the hydrogels but in a different way. GO seems to interact by hydrogen bonding to form non-homogeneous gels in which the mechanical properties are not markedly improved. However, G takes an active part in the formation of the polymeric network, which leads to improved mechanical properties and stability of the final material to give rise to truly hybrid hydrogels and not mere two-phase composite materials.

Graphical abstract: Graphene hybrid materials? The role of graphene materials in the final structure of hydrogels

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Supplementary files

Article information


Submitted
02 Dec 2018
Accepted
10 Feb 2019
First published
12 Feb 2019

Nanoscale, 2019,11, 4822-4830
Article type
Paper

Graphene hybrid materials? The role of graphene materials in the final structure of hydrogels

C. Martín, A. Martín-Pacheco, A. Naranjo, A. Criado, S. Merino, E. Díez-Barra, M. A. Herrero and E. Vázquez, Nanoscale, 2019, 11, 4822
DOI: 10.1039/C8NR09728C

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