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Open Access Synthesis of Molecular 2D Materials via Low-energy Electron Induced Chemical Reactions

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After the demonstration of a variety of inorganic two-dimensional (2D) materials (graphene, hBN, MoS2, etc.), molecular 2D materials have attracted a significant research interest as well. However, the direct synthesis of these materials is an exceptionally challenging task for chemists. In this review article, a simple and robust physical method for the synthesis of molecular 2D materials is presented based on low-energy electron induced chemical reactions in aromatic molecular layers. In this way, ultrathin (~1 nm) molecular nanosheets with adjustable chemical and physical properties called Carbon Nanomembranes (CNM) can be prepared. Moreover, the method enables the synthesis of various other 2D organic-inorganic hybrids (e.g. MoS2-CNM, graphene-CNM lateral heterostructures, etc.) or ~20 nm thick nanosheets of organic semiconductors. Mechanisms of the reaction and functional properties of these molecular 2D materials including their chemical functionalization and engineering of hybrid hierarchical structures for application in nanoscience and nanotechnology are discussed in this article.

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Document Type: Research Article

Affiliations: Institute of Physical Chemistry, Friedrich Schiller University Jena, 07743 Jena, Germany; Center for Energy and Environmental Chemistry Jena (CEEC Jena), 07743 Jena, Germany; Jena Center for Soft Matter (JCSM), 07743 Jena, 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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