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Using hydrogen isotope incorporation as a tool to unravel the surfaces of hydrogen-treated nanodiamonds

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Abstract

We report here on a robust and easy-to-implement method for the labelling of detonation nanodiamonds (DND) with hydrogen isotopes (deuterium and tritium), using thermal annealing performed in a closed system. With this method, we have synthesized and fully characterized (FTIR, Raman, DLS, 3H/2H/1H and 13C MAS NMR) deuterium-treated and tritium-treated DND and demonstrated the usefulness of isotope incorporation in investigating the surface chemistry of such nanomaterials. For instance, surface treatment with deuterium coupled to FTIR spectroscopy allowed us to discriminate the origin of C–H terminations at the DND surface after the hydrogenation process. As a complementary, tritium appeared very useful for quantification purposes, while 1,2,3H NMR confirmed the nature of the C–1,2,3H bonds created. This isotopic study provides new insights into the characteristics of hydrogen-treated DND.

Graphical abstract: Using hydrogen isotope incorporation as a tool to unravel the surfaces of hydrogen-treated nanodiamonds

  • This article is part of the themed collection: Nanocarbons
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Publication details

The article was received on 20 Feb 2019, accepted on 25 Mar 2019 and first published on 27 Mar 2019


Article type: Paper
DOI: 10.1039/C9NR01555H
Citation: Nanoscale, 2019, Advance Article

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    Using hydrogen isotope incorporation as a tool to unravel the surfaces of hydrogen-treated nanodiamonds

    E. Nehlig, S. Garcia-Argote, S. Feuillastre, M. Moskura, T. Charpentier, M. Schleguel, H. A. Girard, J. Arnault and G. Pieters, Nanoscale, 2019, Advance Article , DOI: 10.1039/C9NR01555H

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