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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
American Chemical Society
Publication date: 
14 Dec 2020

Valentina Paolucci, Gianluca D’Olimpio, Luca Lozzi, Antonio M Mio, Luca Ottaviano, Michele Nardone, Giuseppe Nicotra, Patrice Le-Cornec, Carlo Cantalini, Antonio Politano

Biblio References: 
ACS Sustainable Chemistry & Engineering