The effects of liquid-phase oxidation of multiwall carbon nanotubes on their surface characteristics

Abstract

The development of new sorbents based on nanostructured carbon materials recently became a perspective field of research. Main topic of current study is to investigate the effect of different regimes of multiwall carbon nanotubes (MWCNT) surface modification process on their structural characteristics. MWCNT samples were treated with nitric acid at high temperature. Structural properties were studied using low temperature nitrogen adsorption and acid-base back titration methods. The study showed that diluted nitric acid does not affect MWCNT structure. Concentrated nitric acid treatment leads to formation of 2.8 carboxylic groups per 1 nm² of the sample surface.

Original language	English
Article number	012004
Journal	IOP Conference Series: Materials Science and Engineering
Volume	112
Issue number	1
DOIs	https://doi.org/10.1088/1757-899X/112/1/012004
Publication status	Published - 18 Feb 2016

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)

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10.1088/1757-899X/112/1/012004

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The effects of liquid-phase oxidation of multiwall carbon nanotubes on their surface characteristics. / Burmistrov, I. N.; Muratov, D. S.; Ilinykh, I. A.; Kolesnikov, E. A.; Godymchuk, Anna Yurievna ; Kuznetsov, D. V.

In: IOP Conference Series: Materials Science and Engineering, Vol. 112, No. 1, 012004, 18.02.2016.

Research output: Contribution to journal › Article › peer-review

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abstract = "The development of new sorbents based on nanostructured carbon materials recently became a perspective field of research. Main topic of current study is to investigate the effect of different regimes of multiwall carbon nanotubes (MWCNT) surface modification process on their structural characteristics. MWCNT samples were treated with nitric acid at high temperature. Structural properties were studied using low temperature nitrogen adsorption and acid-base back titration methods. The study showed that diluted nitric acid does not affect MWCNT structure. Concentrated nitric acid treatment leads to formation of 2.8 carboxylic groups per 1 nm2 of the sample surface.",

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AU - Godymchuk, Anna Yurievna

AU - Kuznetsov, D. V.

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