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Fullerene: Fullerenes
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Fullerene chemistry is a field of organic chemistry devoted to the chemical properties of fullerenes.[1][2][3]. Research in this field is driven by the need to functionalize fullerenes and tune their properties. For example fullerene is notoriously insoluble and adding a suitable group can enhance solubility. By adding a polymerizable group, a fullerene polymer can be obtained. Functionalized fullerenes are divided into two classes: exohedral with substituents outside the cage and endohedral fullerenes with trapped molecules inside the cage.
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What makes a person beautiful Handsome features A well-proportioned physique By these standards the Fullerene molecule is undeniably beautiful; many scientists have already succumbed to its pure, symmetrical appeal. By 2002, approximately 27,000 research papers and 1,500 patents involving Fullerene had been submitted, and these numbers continue to grow by the year. The scientific community is in the thrall of a Fullerene fever.
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Fullerene-60 behaves as a soft electrophile, a molecule that readily accepts electrons during a primary reaction step. It can readily accept three electrons and perhaps even more. The molecule can be multiply hydrogenated, methylated, ammonated, and fluorinated. It forms exohedral complexes in which an atom (or group) is attached to the outside of the cage, as well as endohedral complexes in which an atom is trapped inside the cage.
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Fullerene is an allotrope of carbon where carbon atoms are arranged in a geodesic (or hollow sphere) shape and in tube format - either single walled nanotubes or multi-walled nanotubes. The educational animation introduces fullerenes - buckyball and carbon nanotubes.
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[T]he fullerene structure can be synthesised at lower temperatures. The fullerene-like shells can grow in an encapsulated manner forming so called nano-onions. The incorporated nitrogen ... helps to strengthen the material by allowing the spheres to form tight covalent bonds between each other. The onions were identified by TEM and analyzed by EELS. Each "onion" was a few nanometers across and contained a core of C48N12 a new aza-fullerene. The onions seem to be strongly bonded to each other, based on structural calculations and mechanical tests.
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Fullerene , a large molecule composed exclusively of carbon atoms and having shape of an empty cage (full name buckminsterfullerene). There are fullerenes with different number of carbon atoms and different sizes. The carbon atoms are arranged in pentagons and hexagons within a fullerene molecule (although, there are some recent suggestions that large, multishelled fullerenes (the so-called carbon onions) may consist of several rings containing seven carbon atoms). Some consider carbon nanotube as a special form of fullerene. Fullerenes were discovered by R.F. Curl Jr., H.W.
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Fullerenes