Journal ArticleDOI
Measurement of the Elastic Properties and Intrinsic Strength of Monolayer Graphene
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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Journal ArticleDOI
Equilibrium, kinetic and thermodynamic studies on the adsorption of phenol onto graphene
Yanhui Li,Qiuju Du,Tonghao Liu,Jiankun Sun,Yuqin Jiao,Yanzhi Xia,Linhua Xia,Zonghua Wang,Wei Zhang,Kunlin Wang,Hongwei Zhu,Dehai Wu +11 more
TL;DR: In this paper, the effect of pH, dosage, contact time, and temperature on the adsorption properties of phenol onto graphene were investigated, and the results showed that the maximum adsorbing capacity can reach 28.26 µm/g at the conditions of initial phenol concentration of 50 mg/L, pH 6.3 and 285 K.
Journal ArticleDOI
Mechanical properties of Graphene Nanoribbons
TL;DR: The most relevant results indicate that Young's modulus is considerable higher than those determined for graphene and carbon nanotubes, suggesting the potential for using carbon nanostructures in nano-electronic devices in the near future.
Journal ArticleDOI
Electronic and Thermal Properties of Graphene and Recent Advances in Graphene Based Electronics Applications
TL;DR: The development of graphene suggests substantial improvements in current electronic technologies and applications in healthcare systems and up-to-date graphene-based applications pave the way for advanced biomedical engineering, reliable human therapy, and environmental protection.
Journal ArticleDOI
Transparent flexible stretchable piezoelectric and triboelectric nanogenerators for powering portable electronics
TL;DR: In this paper, the authors highlight the recent research progress of transparent and flexible ZnO nanorods/nanowires, stretchable micro-patterned P(VDF-TrFE) polymer, ZnSnO3 nanocubes-based piezoelectric NGs along with graphene and hydrophobic sponge structure-based TPNs, and their potential applications in powering portable electronics are summarized and presented.
Journal ArticleDOI
Design of electrical conductive composites: tuning the morphology to improve the electrical properties of graphene filled immiscible polymer blends.
Cui Mao,Yutian Zhu,Wei Jiang +2 more
TL;DR: The results reveal that the electrical conductivity of the composites can be optimal when PS and PMMA phases form a cocontinuous structure and GE-ODA nanosheets are selectively located and percolated in the PS phase.
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.