Carboxylated and decarboxylated nanotubes studied by X-ray photoelectron spectroscopy
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Carbon nanotubes (CNTs) of the conic and cylindrical structure were studied by X-ray photoelectron spectroscopy in the initial state and after carboxylation and decarboxylation reactions. The O=C—O and C—O groups were revealed on the surface of the chemically modified samples. It was found that both the carboxylated and decarboxylated cylindrical CNTs contain a smaller amount of oxygen than the corresponding conic CNTs apparently due to differences in their structures.
Key wordscarbon nanotubes carboxylation decarboxylation X-ray photoelectron spectroscopy
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- 9.Pat. RF No. 2310601; Byull. Izobret. [Invention Bulletin], 2007, No. 32 (in Russian).Google Scholar