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Home > News > Nanodiamonds gain low-cost sparkle

April 28th, 2008

Nanodiamonds gain low-cost sparkle

Abstract:
Fluorescent nanodiamonds can now be made 100 times more cheaply than before, thanks to work by chemists in Taiwan. The new process should provide easier access to the tiny diamonds, which could have future applications in medical imaging and cancer therapy.

Nanodiamonds are made by detonating two explosive compounds, TNT and RDX, and then collecting the resulting soot - which contains diamonds approximately 4nm in size. But to make the diamonds fluoresce they have to be exposed to a high-energy electron beam from a van de Graaff accelerator, then heated to 800°C - a costly procedure.

Source:
rsc.org

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