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Triangulene, another New Chemical Element without Specific Usage

chemistry-essayScientists continue to study the world of chemistry and results of some experiments are completely unexpected. One of them – triangulene, brittle molecule collected atom by atom by efforts of IBM researchers with the use of the specialized microscope.

Scientists synthesized and showed molecule, created by the method of atoms manipulation. Scanning probe microscope played a major supporting role. The result is a kind of graphene relative, which has been argued for a long time, but without visible results. The meaning of such comparison is that triangulene is composed of graphene fragments, but with a slight nuance – scientists were lucky enough to do only one molecule because of its incredible instability. Ordinary synthesis, in this case, is powerless. Unpaired electrons interact with all that surrounds them, so once it will be synthesized, it will be oxidized immediately.

Volatile molecules that cannot be created by the convention were discovered before, but this caused a special resonance. Triangulene became the first molecule in the disquisition of which IBM scientists have bypassed many chemists, who were trying to create it for a long time.

Philip Moriarty, the scientist from the Nottingham University, says that in a typical synthesis it is generally that molecules affect together in order to form bigger structures; in this case, in contradistinction, atoms on separate molecules manipulate physically with the assistance of a microscope. However, this method may be beneficial exclusively in certain situations. In addition, it is doubtful that it will work with other hard-defined structures.

Regarding the structure of triangulene, one can see, as mentioned, some fragments of graphene. Graphene is the two-dimensional allotropic modification of carbon, formed by a layer of carbon atoms with the thickness of one atom. The fresh molecule is composed of six hexagons of carbon united lengthwise their boundaries forming a trigon. Atoms of hydrogen placed around parties. Two external atoms of carbon comprise electrons, which are not in pairs to create a stable connection.

IBM team used scanning probe microscope, possessing the sharp point of the needle. This structure helps the microscope to sense a material form. The algorithm is commonly used in order to display molecules by measurement of attraction power between the probe and the sample, or flowing electric current.

As it was shown, the microscope might be utilized to guide chemical reactions and create some unstable molecules. For triangulene scientists used predecessor of the dihydrotriangulene molecule, which lacked reactive electrons. They were also unpaired. Synthesis of precursors was produced by British chemists.

Molecules were deposited on the surface and examined with the help of the microscope. Then, researchers used two consecutive voltage impulses to take off atoms of hydrogen in the amount of two pieces for unpaired electrons creation.

Researchers investigated magnetic characteristics of triangulene. Two unpaired electrons are aligned with the spin – the feature of quantum mechanics, giving magnetic orientation to electrons.

Creators of triangulene have no idea what to do with it or how to use it. There is a need of more thorough investigation of what exactly do these electrons, and scientists are not yet ready to give the clear and reasoned response. Taking into account and considering the quantum nature of the new element, there is an assumption that the material will be used in quantum computations.

References:

  1. Schummer, J. and Baird, D. (2006). Nanotechnology challenges. 1st ed. River Edge, NJ: World Scientific.
  2. Rao, C. (2010). Understanding chemistry. 1st ed. Singapore: World Scientific Pub. Co.
  3. Solomons, T., Fryhle, C. and Snyder, S. (n.d.). Organic chemistry. 1st ed.
  4. Moore, W. (1962). Physical chemistry. 1st ed. Englewood Cliffs, N.J.: Prentice-Hall.
  5. Rao, C. (2010). Understanding chemistry. 1st ed. Singapore: World Scientific Pub. Co.
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