Image of the month


Sir Harry Kroto, who died on April 30, was an inspiration to all those who worked on carbon, as well as to the wider scientific community. Sir Harry received the Nobel Prize for his discovery of the spheroidal carbon molecules known as fullerenes. Since his pioneering work, a huge range of new carbon structures have been discovered, including the so-called "carbon onions" shown in this TEM image, taken by Peter Harris in 1994. These particles consist of concentric, nested fullerenes, and can be produced by irradiating a disordered carbon material with an electron beam. The inset shows the structure of C60, the original fullerene, discovered by Sir Harry and his colleagues in 1985.

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