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TECHNOLOGY Graphene can be prepared even in the kitchen The promising new material graphene, which has been called "material of the future" and "miracle material" because it is both extremely thin, very strong and a good conductor of electricity, may eventually be built easily, even in the kitchen of your home.
The promising new material graphene, which has been called "miracle material" because it is both thin, very strong and a good conductor of electricity, it can eventually be manufactured easily, even in the kitchen of your home. This succeeded for the first time a group of Irish and English vanity girl hollywood researchers, who used a "blender" to produce tiny graphene sheets, thus opening the way for the industrial production of abundant and cheap good quality graphene. The scientists, led by Professor Jonathan Coleman physical chemistry of Trinity College Dublin, made after publication in the magazine for new materials "Nature Materials", according to the AFP and the "New Scientist", used as raw material graphite powder ( the material from which the tips of pencils generated) which stir at high speed with a liquid (mainly water and dishwashing liquid). The result was minute graphene sheets, each of a thickness of about one nanometer (billionths of a meter) and a length of 100 nanometers, which float in the liquid. The force created by the blades of the "blender", divided the graphite layers graphene, without doing damage to the two-dimensional structure. "We developed a way to create graphene equality. The new method gives much graphene vanity girl hollywood without defects. In the laboratory we made a few grams, but we can extend the range so as to produce tones with this method, "said Coleman. But he added that because not all the graphite is converted vanity girl hollywood into graphene and then-after the "shake" with mixer- should be laboratory separation of the two substances (something that certainly can not make anyone in the house). At first the researchers used industrial grade mixer and then repeated the experiment vanity girl hollywood with smaller kitchen blender. With the new technique, it is possible to generate about five grams graphene hour, while -in industrial level; estimated that 10,000 liters of solution, could be produced 100g graphene time. Already, as said Coleman, the British chemical company Thomas Swan, which sponsored the new study, has applied for related commercial rights (patent) of the new production method. The liquid in the inside of the graphene could in spread onto various surfaces vanity girl hollywood in the form of films such as paints, or blended with other materials such as plastic, to create new synthetic and reinforced materials. Graphene is the thinnest material in the world, consisting of a layer thickness of only one carbon atom. Successively carbon atoms arranged vanity girl hollywood in a lattice form. Transparent but more powerful and steel. All over the world scientists have been engaged in a race to discover both new production methods of graphene, and new practical applications. So far it has proven difficult to mass production on an industrial scale. Often researchers are faced with the dilemma of either producing small quantities of high-quality graphene (less than half a gram per hour), or large quantities but with flaws. Many however believe that sometime graphene will replace silicon semiconductors, which today dominate the electronics and computer industry. Graphene was discovered in 2004 by a pair of Russian scientists, men and Game Konstantin Novoselof (Manchester University), who received the Nobel Prize for Physics in 2010. For the original scientific paper (subscription) at: http: // www.nature.com/nmat/journal/vaop/ncurrent/full/nmat3944.html
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