👉👉 Chemist make first-ever ring of pure carbon, Nature 572, 426 (2019) ||
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Elusive 18-atom ‘cyclocarbon’ could be a step towards molecule-scale transistors.
Elusive 18-atom ‘cyclocarbon’ could be a step towards molecule-scale transistors.
Long after most chemists had given up trying, a team of researchers has synthesized the first ring-shaped molecule of pure carbon — a circle of 18 atoms.
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| A 3D-image of the carbon-18 molecule made with an atomic force microscope (AFM) |
The chemists started with a triangular molecule of carbon and oxygen, which they manipulated with electric currents to create the carbon-18 ring. Initial studies of the properties of the molecule, called a cyclocarbon, suggest that it acts as a semiconductor, which could make similar straight carbon chains useful as molecular-scale electronic components.
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