The Chemistry of the Surface of Modified Detonation
Nanodiamonds of Different Types

A. P. Koshcheev^a, P. V. Gorokhov^a, M. D. Gromov^a, A. A. Perov^a, and U. Ott^b

^a Karpov Research Institute of Physical Chemistry, ul. Vorontsovo pole 10, Moscow, 105064 Russia

^b Max Planck Institute of Chemistry, Mainz, Germany

e-mail: koscheev@cc.nifhi.ac.ru

Received January 31, 2008

Abstract—The influence of standard chemical treatment used to extract interstellar nanodiamonds from mete-
orites on the chemical composition of the surface of synthetic nanodiamonds with substantially different prop-
erties was studied by thermal desorption mass spectrometry and IR spectroscopy. The chemistry of the surface
of nanodiamonds after treatment was substantially different from that of initial particles. The suggestion was
made that the chemical structure of the surface of diamond particles in the interstellar space could be recon-
structed from the data on meteorite diamonds. Mass spectrometric studies also gave information about possible
mechanisms of the release of noble gases from meteorite diamonds at various temperatures.

DOI: 10.1134/S0036024408100129

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