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Free Content Ten Years of Liquid-phase Exfoliation of Layered Crystals – A Bright Future ahead?

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Layered materials are an abundant source of new nanostructures when thinned down to display fascinating layer number-dependent properties due to quantum confinement in two dimensions. About ten years ago, it was first demonstrated that layered crystals can be exfoliated down to monolayers in the liquid phase by a relatively simple and scalable methodology termed liquid-phase exfoliation that is widely applicable to many structures. By now, >10 classes of layered materials have been made accessible as two-dimensional nanosheets by this technique. In this article, advancements in exfoliation, size selection and characterisation are summarised. Remaining challenges, open questions and perspectives are also discussed.

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Keywords: 2D MATERIALS; LAYERED CRYSTALS; LIQUID EXFOLIATION; NANOSHEETS; SIZE CONTROL

Document Type: Research Article

Affiliations: Chair of Applied Physical Chemistry, Heidelberg University, Im Neuenheimer Feld 253, 69120 Heidelberg, Germany;, Email: [email protected]

Publication date: July 1, 2019

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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