Effect of the morphology of structured carbon nanomaterials on their oxidizability |
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| Authors: | S. V. Savilov A. S. Ivanov A. V. Egorov M. N. Kirikova E. A. Arkhipova V. V. Lunin |
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| Affiliation: | 1. Department of Chemistry, Moscow State University, Moscow, Russia
2. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
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| Abstract: | The oxidation of multi-walled carbon nanotubes (MCNTs), nanofibers (CNFs), and few-layer graphite fragments (FLGFs) with a nitric acid solution was studied. The oxygen content in the functionalized derivatives was determined by X-ray photoelectron spectroscopy and thermal analysis. The results were correlated with the structural features of the nanomaterials revealed by high-resolution transmission electron microscopy and X-ray diffraction. The highest content of carboxyl groups was achieved by functionalization of carbon nanotubes with the conical position of graphene layers. |
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