Journal ArticleDOI
Measurement of the Elastic Properties and Intrinsic Strength of Monolayer Graphene
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TLDR
Graphene is established as the strongest material ever measured, and atomically perfect nanoscale materials can be mechanically tested to deformations well beyond the linear regime.Abstract:
We measured the elastic properties and intrinsic breaking strength of free-standing monolayer graphene membranes by nanoindentation in an atomic force microscope. The force-displacement behavior is interpreted within a framework of nonlinear elastic stress-strain response, and yields second- and third-order elastic stiffnesses of 340 newtons per meter (N m(-1)) and -690 Nm(-1), respectively. The breaking strength is 42 N m(-1) and represents the intrinsic strength of a defect-free sheet. These quantities correspond to a Young's modulus of E = 1.0 terapascals, third-order elastic stiffness of D = -2.0 terapascals, and intrinsic strength of sigma(int) = 130 gigapascals for bulk graphite. These experiments establish graphene as the strongest material ever measured, and show that atomically perfect nanoscale materials can be mechanically tested to deformations well beyond the linear regime.read more
Citations
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Large-scale production of two-dimensional nanosheets
TL;DR: In this article, a facile, efficient, and scalable method for the fabrication of monolayer and few-layer BN, MoS2, and graphene using combined low-energy ball milling and sonication is presented.
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Graphene and its derivatives for the development of solar cells, photoelectrochemical, and photocatalytic applications
TL;DR: Gatys et al. as mentioned in this paper summarized the state of research on graphene-based materials from the standpoint of photoelectrochemistry and discussed the prospects and further developments in this exciting field of research.
Journal ArticleDOI
A review of the mechanical and thermal properties of graphene and its hybrid polymer nanocomposites for structural applications
TL;DR: In this paper, a review of the recent progress in describing the intricacies of mechanical and thermal properties of all types of graphene and modified graphene-based polymer nanocomposites has been comprehensively examined.
Journal ArticleDOI
Mechanical properties of the hexagonal boron nitride monolayer: Ab initio study
Qing Peng,Wei Ji,Suvranu De +2 more
TL;DR: In this article, the elastic response of hexagonal boron nitride monolayer (h-BN) was studied using ab initio density functional theory and the elastic constants of the 2D hexagonal structures were obtained by expanding the elastic strain energy density in a Taylor series.
Journal ArticleDOI
Carbyne from First Principles: Chain of C Atoms, a Nanorod or a Nanorope
TL;DR: In this article, the properties of carbyne have been investigated using first-principles calculations, and it has been shown that it is about twice as stiff as the stiffest known materials and has unrivaled specific strength of up to 7.5 × 107 N·m/kg, requiring a force of ∼10 nN to break a single atomic chain.
References
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Journal ArticleDOI
Raman spectrum of graphene and graphene layers.
Andrea C. Ferrari,Jannik C. Meyer,Vittorio Scardaci,Cinzia Casiraghi,Michele Lazzeri,Francesco Mauri,S. Piscanec,Da Jiang,K. S. Novoselov,S. Roth,A. K. Geim +10 more
TL;DR: This work shows that graphene's electronic structure is captured in its Raman spectrum that clearly evolves with the number of layers, and allows unambiguous, high-throughput, nondestructive identification of graphene layers, which is critically lacking in this emerging research area.
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Two-dimensional atomic crystals
Kostya S. Novoselov,Da Jiang,Fred Schedin,Timothy J. Booth,V. V. Khotkevich,Sergey V. Morozov,Andre K. Geim +6 more
TL;DR: By using micromechanical cleavage, a variety of 2D crystals including single layers of boron nitride, graphite, several dichalcogenides, and complex oxides are prepared and studied.
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The Phenomena of Rupture and Flow in Solids
TL;DR: In this article, the authors investigated the effect of surface scratches on the mechanical strength of solids, and some general conclusions were reached which appear to have a direct bearing on the problem of rupture, from an engineering standpoint, and also on the larger question of the nature of intermolecular cohesion.
Book
Physical properties of crystals
TL;DR: In this paper, the physical properties of crystals systematically in tensor notation are presented, presenting tensor properties in terms of their common mathematical basis and the thermodynamic relations between them.
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Strength and breaking mechanism of multiwalled carbon nanotubes under tensile load
TL;DR: The tensile strengths of individual multiwalled carbon nanotubes (MWCNTs) were measured with a "nanostressing stage" located within a scanning electron microscope and a variety of structures were revealed, such as a nanotube ribbon, a wave pattern, and partial radial collapse.