High-yield production of 2D crystals by wet-jet milling

Del Rio Castillo, A. E. and Pellegrini, V. and Ansaldo, A. and Ricciardella, F. and Sun, H. and Marasco, L. and Buha, J. and Dang, Z. and Gagliani, L. and Lago, E. and Curreli, N. and Gentiluomo, S. and Palazon, F. and Prato, M. and Oropesa-Nuñez, R. and Toth, P. S. and Mantero, E. and Crugliano, M. and Gamucci, A. and Tomadin, Andrea and Polini, M. and Bonaccorso, F. (2018) High-yield production of 2D crystals by wet-jet milling. Materials Horizons, 5. pp. 890-904. ISSN 2051-6347

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Efficient and scalable production of two-dimensional (2D) materials is required to overcome technological hurdles towards the creation of a 2D-material-based industry. Here, we present a novel approach developed for the exfoliation of layered crystals, i.e., graphite, hexagonal-boron nitride and transition metal dichalcogenides. The process is based on high-pressure wet-jet-milling (WJM), resulting in a 2 L h−1 production of 10 g L−1 of single- and few-layer 2D crystal flakes in dispersion making the scaling-up more affordable. The WJM process enables the production of defect-free and high quality 2D-crystal dispersions on a large scale, opening the way for their full exploitation in different commercial applications, e.g., as anode active material in lithium ion batteries, as reinforcement in polymer–graphene composites, and as conductive inks, as we demonstrate in this report.

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Journal Article
Journal or Publication Title:
Materials Horizons
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21 Nov 2018 11:48
Last Modified:
18 Sep 2023 01:28