Issue 1, 2019

Interfacial complexation driven three-dimensional assembly of cationic phosphorus dendrimers and graphene oxide sheets

Abstract

High content nitrogen, sulfur and phosphorus heteroatoms assembled in tree-like dendrimers (DGn) are confined within the galleries of two-dimensional graphene oxide (GO). The presence of the ternary diethyl-N-ethyl-ammonium groups on the dendrimer peripheries ensures the exfoliation of graphene sheets thereby affording interfacially bridged, three-dimensional heteroatom-enriched graphene-based hybrid nanostructures (DGn-GO). Dendrimer generation (from 1 to 4) that reflects the bulkiness of these conceived nano-trees impacts increasingly the degree of dispersion-exfoliation and sheet desordering. The long-term stability of these aqueous suspensions associated with their handling flexibility allows uniform accommodation of the resulting hybrid materials as flame-retardants in bioplastics.

Graphical abstract: Interfacial complexation driven three-dimensional assembly of cationic phosphorus dendrimers and graphene oxide sheets

Supplementary files

Article information

Article type
Paper
Submitted
18 jun 2018
Accepted
22 jun 2018
First published
17 ago 2018
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2019,1, 314-321

Interfacial complexation driven three-dimensional assembly of cationic phosphorus dendrimers and graphene oxide sheets

N. Katir, A. Benayad, D. Rouchon, N. Marcotte, N. El Brahmi, J. P. Majoral, M. Bousmina and A. El Kadib, Nanoscale Adv., 2019, 1, 314 DOI: 10.1039/C8NA00047F

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