The effects of liquid-phase oxidation of multiwall carbon nanotubes on their surface characteristics / I. N. Burmistrov [et al.]
Уровень набора: (RuTPU)RU\TPU\network\2008, IOP Conference Series: Materials Science and EngineeringЯзык: английский.Страна: .Резюме или реферат: 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 nm{2} of the sample surface..Примечания о наличии в документе библиографии/указателя: [References: 10 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | жидкофазное окисление | углеродные нанотрубки | поверхности | сорбенты | наноструктурированные материалы Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: 10 tit.]
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 nm{2} of the sample surface.
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