Hydroxylated detonation nanodiamond: FTIR, XPS, and NMR studies

O. Shenderova, A. M. Panich, S. Moseenkov, S. C. Hens, V. Kuznetsov, H. M. Vieth

Research output: Contribution to journalArticlepeer-review

154 Scopus citations

Abstract

Detailed and unambiguous characterization of the surface structure of detonation nanodiamond (DND) particles remains one of the most challenging tasks for the preparation of chemically functionalized nanodiamonds. In the present paper, a combination of FTIR, NMR, and XPS was used to characterize DND particles that were treated in a reduction reaction that results in the enrichment of hydroxyl and hydroxymethyl functional groups. FTIR spectra and quantum-chemistry modeling demonstrated that the vacuum treatment of the sample, with the purpose of the removing adsorbed water and other volatile contaminates, is mandatory to obtain the correct data on the nature and relative content of the- OH surface groups on DND. 13C and 1H NMR spectra show signals from the diamond core, hydroxyl, hydrocarbon groups, and moisture on the diamond surface. NMR data were taken for as-prepared DNDs, as well as those that were dried under vacuum conditions of 10-4 Torr, in order to distinguish between the NMR signal contributions due to moisture and other hydrogen-containing groups.

Original languageEnglish
Pages (from-to)19005-19011
Number of pages7
JournalJournal of Physical Chemistry C
Volume115
Issue number39
DOIs
StatePublished - 6 Oct 2011

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • General Energy
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

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