Sustainable Liquid-Phase Exfoliation of Layered Materials with Nontoxic Polarclean Solvent

Liquid-phase exfoliation is the most suitable platform for large-scale production of two-dimensional materials. One of the main open challenges is related to the quest of green and bioderived solvents to replace state-of-the-art dispersion media, which suffer several toxicity issues. Here, we demons...

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Bibliographic Details
Published in:ACS sustainable chemistry & engineering 2020-12, Vol.8 (51), p.18830-18840
Main Authors: Paolucci, Valentina, D’Olimpio, Gianluca, Lozzi, Luca, Mio, Antonio M, Ottaviano, Luca, Nardone, Michele, Nicotra, Giuseppe, Le-Cornec, Patrice, Cantalini, Carlo, Politano, Antonio
Format: Article
Language:English
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Summary:Liquid-phase exfoliation is the most suitable platform for large-scale production of two-dimensional materials. One of the main open challenges is related to the quest of green and bioderived solvents to replace state-of-the-art dispersion media, which suffer several toxicity issues. Here, we demonstrate the suitability of methyl-5-(dimethylamino)-2-methyl-5-oxopentanoate (Rhodiasolv Polarclean) for sonication-assisted liquid-phase exfoliation of layered materials for the case-study examples of WS2, MoS2, and graphene. We performed a direct comparison, in the same processing conditions, with liquid-phase exfoliation using N-methyl-2-pyrrolidone (NMP) solvent. The amount of few-layer flakes (with thickness
ISSN:2168-0485
2168-0485
DOI:10.1021/acssuschemeng.0c04191