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Transmission electron microscopy study of multi-walled carbon nanotubes of different morphology oxidized with nitric acid

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Abstract

Oxidation of conical and cylindrical carbon nanotubes (CNTs) was studied by physicochemical methods including high-resolution transmission electron microscopy. Differences in mechanisms of oxidation of these CNTs were revealed. The oxidation of conical CNTs with nitric acid first results in the formation of oxygen-containing groups uniformly distributed over the CNT surface, and then the carbon material undergoes fragmentation and destruction. The treatment of cylindrical CNTs with nitric acid results in oxidation at defect sites followed by a decrease in the tube thickness and a change in the pore structure of the carbon material.

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Authors and Affiliations

  1. Chemistry Department, M. V. Lomonosov Moscow State University, 1/3 Leninskie Gory, 119991, Moscow, Russian Federation

    S. V. Savilov, A. V. Egorov, M. N. Kirikova, S. A. Chernyak, A. S. Ivanov, S. M. Aldoshin & V. V. Lunin

  2. Herbert Gleiter Institute of Nanoscience, Nanjing University of Science and Technology, 210094, China, Nanjing, 200 Xiaolingwei

    H. Xia

  3. Faculty of Fundamental Physical and Chemical Engineering, M. V. Lomonosov Moscow State University, 1/51 Leninskie Gory, 119991, Moscow, Russian Federation

    S. M. Aldoshin

Authors
  1. S. V. Savilov
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  2. A. V. Egorov
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  3. M. N. Kirikova
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  4. S. A. Chernyak
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  5. A. S. Ivanov
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  6. H. Xia
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  7. S. M. Aldoshin
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  8. V. V. Lunin
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Corresponding author

Correspondence to S. V. Savilov.

Additional information

Dedicated to Academician of the Russian Academy of Sciences N. S. Zefirov on the occasion of his 80th birthday.

Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 2055–2061, September, 2015.

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Savilov, S.V., Egorov, A.V., Kirikova, M.N. et al. Transmission electron microscopy study of multi-walled carbon nanotubes of different morphology oxidized with nitric acid. Russ Chem Bull 64, 2055–2061 (2015). https://doi.org/10.1007/s11172-015-1117-x

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  • DOI: https://doi.org/10.1007/s11172-015-1117-x

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