Solid-state spectroscopy reveals changes in carbon structure of diamond nanoparticles after thermal treatment, indicating potential for modifying surface chemistry.
The structure and hybridized forms of carbon in primary particles of diamond nanopowders obtained by grinding of natural diamond and detonation synthesis followed by modifying heat treatment have been studied by solid-state nuclear magnetic resonance spectroscopy. Differences in the composition of non-diamond carbon in the shell surrounding the diamond core of natural and synthetic nanodiamonds before and after heat treatment have been found, demonstrating the potential of the heat treatment for controlling the nanodiamond surface chemistry
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Sharin et al. (2026) studied this question.
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