Comparative structural characterization of the water dispersions of detonation nanodiamonds by small-angle neutron scattering

O. V. Tomchuk, M. V. Avdeev, V. Aksenov, V. M. Garamus, L. A. Bulavin, S. N. Ivashevskaya, N. N. Rozhkova, N. Schreiber, J. Schreiber

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The structure of nanodiamond water dispersions prepared under different conditions was investigated by small-angle neutron scattering at the scale of 1 to 100 nm. The study of diluted dispersions was regarded as of paramount importance. Similarly to previous studies, strong clustering of particles was revealed in the solutions. The typical size of clusters (40 nm and above) depends on the modification of the dispersions. A common property can be distinguished for different systems: the fractal dimension of the clusters is in the range of 2. 3-2. 4, which indicates that there is a common clustering mechanism in such systems. Using contrast variation, the existence of a nondiamond component in the colloidal particles of the dispersions was confirmed; it correlates with the presence of a graphene shell on crystallite surfaces.

Original languageEnglish
Pages (from-to)821-824
Number of pages4
JournalSurface Investigation X-Ray, Synchrotron and Neutron Techniques
Volume6
Issue number5
DOIs
Publication statusPublished - 2012

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Nanodiamonds
Detonation
Neutron scattering
Dispersions
Water
Graphite
Fractal dimension
Graphene

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

Cite this

Comparative structural characterization of the water dispersions of detonation nanodiamonds by small-angle neutron scattering. / Tomchuk, O. V.; Avdeev, M. V.; Aksenov, V.; Garamus, V. M.; Bulavin, L. A.; Ivashevskaya, S. N.; Rozhkova, N. N.; Schreiber, N.; Schreiber, J.

In: Surface Investigation X-Ray, Synchrotron and Neutron Techniques, Vol. 6, No. 5, 2012, p. 821-824.

Research output: Contribution to journalArticle

Tomchuk, O. V. ; Avdeev, M. V. ; Aksenov, V. ; Garamus, V. M. ; Bulavin, L. A. ; Ivashevskaya, S. N. ; Rozhkova, N. N. ; Schreiber, N. ; Schreiber, J. / Comparative structural characterization of the water dispersions of detonation nanodiamonds by small-angle neutron scattering. In: Surface Investigation X-Ray, Synchrotron and Neutron Techniques. 2012 ; Vol. 6, No. 5. pp. 821-824.
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