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Published byEleanor Francis Modified over 8 years ago
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What is Graphene? It is made of a single layer of carbon atoms that are bonded together in a repeating pattern of hexagons It is one million times thinner than paper These single layers of carbon atoms provide the foundation Graphite - or pencil lead– is formed when you stack graphene. Carbon nanotubes, which are another emerging material, are made of rolled graphene. These are used in bikes, tennis rackets and even living tissue engineering. It is about 100 times stronger than strongest steel It conducts heat and electricity efficiently and is nearly transparent. It is one of the most efficient heat and electricity conductors in room temperature. It has the ability to nobly trap the photons of light Graphene is made up of carbon Graphene is not easy to synthesize. The process is quite costly
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Structure of graphene
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Electrical Properties High surface area and electrical conductivity Graphene intensify in the field of electronics, biosensors and battery It consists of flat and hexagonal lattice Furthermore, graphene is a zero-gap semiconductor The band structure of graphene impure the valence and conduction bands When an electric field is involved to the bilayer of graphene, a band gap opens up Optical Properties Graphene has high opacity for an atomic monolayer in vacuum. It consume πα ≈ 2.3% of incident light in wavelength Graphene has low-energy electronic structure at the monolayer When applied voltage to a dual gate bilayer graphene (FET), it allows tuning of both linear and ultra fast optical properties
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Mechanical Properties Graphene is has high elastic modulus and strength It is also harder than diamond and 300 times harder than steel It’s tensile strength exceeds 1 Tpa It is stretchable for up to almost twenty percent of its initial length WHAT GRAPHENE CAN DO? Biological Engineering Improvement in speed and effective bioelectric sensory devices We might even see engineered ‘toxic’ graphene that is capable to be sourced as an anticancer treatment or antibiotic Optical Electronics Graphene in LCD touchscreens for desktop computers, televisions smartphones, and tablets Graphene based e-paper with the capability to show, communicating and updatable information and variable electronic devices including compact computers and televisions
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Ultrafiltration Graphene is established to be used in water desalination systems, filtration systems, and cheap cost-effectively more sustainable biofuel conception Composite Materials Graphene can be used in the construction of aircraft Can be utilised to coat aircraft external material Coating can also aid in the growth of high power necessity applications such as body shield for military personnel and vehicles Photovoltaic Cells Graphene can be utilised as substitute to silicon or ITO in the production of photovoltaic cells Energy Storage To improve energy storage mechanisms such as either a supercapacitor or a battery that is capable to afford both of these assured attributes without co-operation.
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Graphene oxide that arises upon exposure material to the air, will move easily through the water bodies Graphene effects on the human body is not known, raising concern. When graphene leak into the groundwater, hexagon structure starts to collapse and quickly lose the stability of the particles, and therefore can not cause significant damage. Graphene in surface waters, where there are frequent organic elements, pollution may be more serious. The sharp angles of the Nano-particles of graphene able to cut membrane cells of living organisms. Therefore it calls for scientists to study the properties of grapheme carefully before you start actively used in the electronics industry.
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In the scientific community, it released so far more than 30,000 scientific papers concerned with material graphene. Most of the studies of what has been written about the properties of graphene, with respect to the conduction of electricity. If the researchers turned to the non-electrical properties, there is a new storm of ideas that deserve research and come far from the promising new theoretical and practical level. Here's knowledge swells and mature very quickly for material graphene, how we produce and use. All that we are waiting for now is the production of less expensive high and abundant quantities. if that happens, it will expand in the heart of the paper from the date of technical and humanitarian, and go to a new era of strong support the use of a flexible material, and at the same time formed as starch.
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