Graphene (/ ˈ ɡ r æ f iː n /) [1] is a carbon allotrope consisting of a single layer of atoms arranged in a honeycomb planar nanostructure. [2] [3] The name "graphene" is derived from "graphite" and the suffix -ene, indicating the presence of double bonds within the carbon structure.Graphene is known for its exceptionally high tensile strength, electrical conductivity, transparency, and ...

Graphene is a rapidly rising star on the horizon of materials science and condensed-matter physics. This strictly two-dimensional material exhibits exceptionally high crystal and electronic ...

graphene, a two-dimensional form of crystalline carbon, either a single layer of carbon atoms forming a honeycomb (hexagonal) lattice or several coupled layers of this honeycomb structure. The word graphene, when used without specifying the form (e.g., bilayer graphene, multilayer graphene), usually refers to single-layer graphene.Graphene is a parent form of all graphitic structures of carbon ...

2022年11月29日 · Graphene is a fascinating material, just as the sensational headlines suggest, but it is only just starting be used in real-world applications. The problem lies not in graphene’s properties, but ...

2009年6月19日 · Graphene is a wonder material with many superlatives to its name. It is the thinnest known material in the universe and the strongest ever measured. Its charge carriers exhibit giant intrinsic mobility, have zero effective mass, and can travel for micrometers without scattering at room temperature. Graphene can sustain current densities six ...

2021年1月1日 · Graphene is a carbon nanomaterial made of two-dimensional layers of a single atom thick planar sheet of sp 2-bonded carbon atoms packed tightly in a honeycomb lattice crystal [13], [17].Graphene’s structure is similar to lots of benzene rings jointed where hydrogen atoms are replaced by the carbon atoms Fig. 1 a and is considered as hydrophobic because of the absence of oxygen groups [10].

Key Takeaways About Graphene. What it is: A single-atom-thick layer of carbon arranged in a hexagonal lattice – the thinnest material known Key properties: 200× stronger than steel, excellent electrical and thermal conductor, flexible, transparent, and impermeable to gases Production methods: Mechanical exfoliation, chemical vapor deposition (CVD), and reduction of …

2022年10月14日 · In 2004, Geim et al. synthesized a stable monolayer of graphene through mechanical stripping. Geim and Novoselov were awarded the Nobel Prize in Physics in 2010 for their successful experiments, and, subsequently, graphene became one of the world's most studied two-dimensional materials. 1 Graphene is a single atomic layer of carbon atoms arranged in a hexagonal pattern.

2020年1月1日 · Graphene (GR) is a fascinating material and has been intensively explored because of its unique properties like high mechanical strength, enhanced thermal and electrical conductivity, optical transparency, high impermeability …

Graphene, a two-dimensional, single-layer sheet of sp 2 hybridized carbon atoms, has attracted tremendous attention and research interest, owing to its exceptional physical properties, such as high electronic conductivity, good thermal stability, and excellent mechanical strength. Other forms of graphene-related materials, including graphene …