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Sustainable preparation of graphene-like hybrid nanomaterials and their application for organic dyes removal

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Mahouche-Chergui, Samia, Boussaboun, Zakariae, Oun, Abdallah, Kazembeyki, Maryam, Hoover, Christian G., Carbonnier, Benjamin et Ouellet-Plamondon, Claudiane M.. 2021. « Sustainable preparation of graphene-like hybrid nanomaterials and their application for organic dyes removal ». Chemical Engineering Science, vol. 236.
Compte des citations dans Scopus : 9.

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Abstract

Graphene-like hybrid nanomaterials (GHNs) were successfully synthesized through a sustainable and solvent-free method. Sucrose and bentonite renewable precursors were used as a carbon source and a template, respectively. The characterization of GHN by Raman nanoscale spectroscopy and X-ray photoelectron spectroscopy (XPS) confirmed the successful transformation of sucrose to sp2-hybridized carbon as in graphene. The high-resolution transmission electron microscopy (HR-TEM) analysis evidenced the formation of a hybrid nanomaterial in a well-defined layered structure. The nanoindentation studies show that the modulus of the pyrolyzed sugar was 4 GPa, while it was 28 GPa for the graphene layer synthetized with this procedure. These hybrid nanomaterials were evaluated as an adsorbent for the removal of both cationic (rhodamine B and methylene blue dyes) and anionic (methyl orange) organic water pollutants at 9.5 to 10 mg/g. These stiffer GHN increase the resilience, durability, and sustainability of the clay particles for treatment processes.

Item Type: Peer reviewed article published in a journal
Professor:
Professor
Ouellet-Plamondon, Claudiane
Affiliation: Génie de la construction
Date Deposited: 17 Feb 2021 20:21
Last Modified: 01 Feb 2023 05:00
URI: https://espace2.etsmtl.ca/id/eprint/22231

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