期刊
NANOSCALE
卷 13, 期 3, 页码 1443-1484出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0nr07606f
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资金
- German Research Foundation (DFG) [SPP 1928]
- German Federal Ministry of Education and Research (BMBF) [03XP0155A]
This review summarizes recent progress in the mechanical characterization of free-standing 2D materials like graphene and explores their applications in mechanical devices. It is expected that there will be a continuous growth in interest and more systematic experimental work on the mechanics of such ultrathin nanomaterials.
The discovery of graphene has triggered a great interest in inorganic as well as molecular two-dimensional (2D) materials. In this review, we summarize recent progress in the mechanical characterization of free-standing 2D materials, such as graphene, hexagonal boron nitride (hBN), transition metal-dichalcogenides, MXenes, black phosphor, carbon nanomembranes (CNMs), 2D polymers, 2D metal organic frameworks (MOFs) and covalent organic frameworks (COFs). Elastic, fracture, bending and interfacial properties of these materials have been determined using a variety of experimental techniques including atomic force microscopy based nanoindentation, in situ tensile/fracture testing, bulge testing, Raman spectroscopy, Brillouin light scattering and buckling-based metrology. Additionally, we address recent advances of 2D materials in a variety of mechanical applications, including resonators, microphones and nanoelectromechanical sensors. With the emphasis on progress and challenges in the mechanical characterization of inorganic and molecular 2D materials, we expect a continuous growth of interest and more systematic experimental work on the mechanics of such ultrathin nanomaterials.
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