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From stable aqueous dispersion of carbon nanoparticles to the clusters of metastable Shungite carbon

  • Proceedings of the First All-Russian Conference “Sol-Gel Synthesis and Study of Inorganic Compounds, Hybrid Functional Materials, and Disperse Systems” (St. Petersburg, Russia, November 22–24, 2010)
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Abstract

Aqueous dispersion of Shungite carbon (ShC) condensation is followed by aggregation of carbon nanoparticles and further net formation. Data obtained by adsorption methods that characterized changes in porosity of natural shungites when transformed into aqueous dispersion and precipitated, were investigated. Pore size distribution determined for natural shungites is characterized by micro- and submesopores of <0.7–5.0 nm in size predominantly. It correlates with values of basic structural elements (0.4–0.7 nm) releasing into aqueous dispersion and with the primary ShC globular aggregates less than 6.0 nm in size. Decreasing of specific surface and total pore volume while the mean pore radii remains constant, were observed when oxidizing (ozonating) and heating of carbonaceous net. Different stages of ShC nanoparticles aggregation in nature were modeled in laboratory under concentration of stable aqueous dispersion.

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Authors and Affiliations

  1. Institute of Geology, Karelian Research Centre, RAS, Pushkinskaya str.11, Petrozavodsk, 185910, Russia

    N. N. Rozhkova

  2. Department of Chemistry, Moscow State University, Lenisnskie Gory 1/3, Moscow, 119991, Russia

    G. I. Yemel’yanova, L. E. Gorlenko & V. V. Lunin

  3. Institute of Macromolecular Compounds RAS, V. O. Bol’shoi av. 31, St. Petersburg, 199004, Russia

    A. V. Gribanov

Authors
  1. N. N. Rozhkova
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  2. G. I. Yemel’yanova
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  3. L. E. Gorlenko
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  4. A. V. Gribanov
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  5. V. V. Lunin
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Correspondence to N. N. Rozhkova.

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Original Russian Text © N.N. Rozhkova, G.I. Yemelyanova, L.E. Gorlenko, A.V. Gribanov, V.V. Lunin, 2011, published in Fizika i Khimiya Stekla.

The article was translated by the authors.

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Rozhkova, N.N., Yemel’yanova, G.I., Gorlenko, L.E. et al. From stable aqueous dispersion of carbon nanoparticles to the clusters of metastable Shungite carbon. Glass Phys Chem 37, 613–618 (2011). https://doi.org/10.1134/S1087659611060174

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  • DOI: https://doi.org/10.1134/S1087659611060174

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