How much stronger is graphene than diamond?
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| Papers (10) | Insight |
|---|---|
27 Citations | Graphene is an efficient conductor, fire resistant, incredibly flexible, yet 200 times stronger than steel and an ultra-light material. |
15 Citations | Glassy carbon is closer to graphite in its properties rather than to diamond. |
59 Citations | Graphene has much higher theoretical capacity than that of graphite in theory. |
16 Citations | Since graphene is cheaper, resource abundant, more harmless, higher in melting temperature, and much lighter in density, than the present typical material, BiTe/Sb, many new applications could be considered. |
| Atomically thin graphene exhibits fascinating mechanical properties, although its hardness and transverse stiffness are inferior to those of diamond. | |
76 Citations | Recently, however, it has been claimed based on both theory and experiment that carbon nanotubes are both stiffer and stronger along their axis than diamond. |
17 Jun 2021 | Moreover, graphene is stronger than diamond at extremely thin regime, and much more reasonable for mass-production. |
29 Citations | These new measurements confirm that the stiffness of epitaxial graphene is larger than that exhibited by CVD diamond and sapphire substrates. |
98 Citations | In particular, we confirm a previous report that graphene with large angle tilt boundaries (which has a high density of defects) may be much stronger than that with low angle boundaries. |
41 Citations | In addition, we find that the intrinsic strength of graphene under a central load is much smaller than that of graphene under a uniaxial load. |
Related Questions
How does the structure and properties of graphene compare to other two-dimensional materials?5 answersGraphene, the first two-dimensional atomic crystal, stands out due to its unique properties. It exhibits exceptional mechanical, chemical, thermal, electrical, magnetic, and biological characteristics, making it a prime candidate for various applications. In comparison to other two-dimensional materials like transition metal dichalcogenides, hexagonal boron nitride, phosphorus, and MXene, graphene showcases higher Young’s modulus, better in-plane stiffness, higher strength, and bending flexibility. Additionally, the advent of graphene has spurred research into other single-element-based 2D materials (Xenes) like silicene, borophene, and phosphorene, each with distinct physical and chemical properties. The diverse range of 2D materials offers a broad spectrum of properties and applications, with graphene leading the pack in terms of extensive study and potential utilization.
What are properties of graphene?5 answersGraphene is an allotrope of carbon with unique properties. It has a hexagonal lattice structure and a thin atomic thickness of approximately 0.345Nm. Graphene exhibits sp2 hybridization and has a chain of π conjugation, resulting in high charge mobility, conductivity, and Young's modulus value. It is a strong and lightweight material that is million times smaller than human hair. Graphene has been extensively studied for its mechanical, chemical, thermal, electrical, magnetic, and biological properties. It shows promise in various applications such as energy storage, energy generation, electronics, and nanotechnology. Graphene has the potential to be used in electrical components like spin-valve and gas sensors, transistors, and photovoltaic devices. It can also be a potential replacement for conventional materials like silicon.
What are the properties of graphene?2 answersGraphene is a two-dimensional carbon material with unique properties. It has high surface area, excellent electrical conductivity, and remarkable biocompatibility, making it suitable for biomedical applications. Graphene has a honeycomb lattice structure and is intrinsically nonmagnetic, but it can be made magnetic by introducing point defects or forming spin clusters. The mechanical properties of graphene include elastic moduli, such as Young's modulus, shear modulus, and bulk modulus, which can be influenced by defects and temperature. Graphene also exhibits bending stiffness, which can be determined from studies of carbon nanotubes. The thickness and elastic constants of graphene can be clarified by considering phonon frequencies and comparing with graphite. Graphene can be synthesized through various methods, including chemical vapor deposition and epitaxial growth. Overall, graphene's properties make it a promising material for applications in bioelectronics and biosensors.
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