Adsorption of organic solvent vapours on carbon nanotubes, few-layer graphene nanoflakes and their nitrogen-doped counterparts

Kupreenko, S.Y.; Strokova, N.E.; Il’gova, E.A.; Ivanov, A.S.; Arkhipova, E.A.; Savilov, S.V.

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 1 апреля 2022 г.

Авторы: Kupreenko Stepan Yu, Strokova Natalia E., Il’gova Ekaterina A., Ivanov Anton S., Arkhipova Ekaterina A., Savilov Serguei V.
Журнал: Adsorption
Том: 28
Номер: 1-2
Год издания: 2022
Издательство: Springer Nature
Местоположение издательства: Switzerland
Первая страница: 55
Последняя страница: 66
DOI: 10.1007/s10450-021-00349-1
Аннотация: This work studies the influence of nitrogen doping of carbon nanotubes (CNTs) and few-layer graphene nanoflakes (GNFs) on the adsorption of organic solvent vapours. The synthesized materials (CNTs, GNFs and N-doped counterparts) were thoroughly characterized by simultaneous thermal analysis, low temperature nitrogen physisorption and X-Ray photoelectron spectroscopy. The basic regularities of the adsorption of organic solvent vapours were studied using acetone, ethyl acetate, acetic acid and toluene. The dependence of the maximum adsorption capacity of CNTs, GNFs and N-doped counterparts on the dipole moment of adsorbate was investigated. The dependencies of the isosteric heat of adsorption on the degree of surface coverage for various pairs of adsorbate-adsorbent were obtained and the average values of the heat of adsorption were calculated. It was found that introduction of nitrogen into the structure of CNTs and GNFs significantly increases the heat of acetic acid vapour adsorption.
Добавил в систему: Купреенко Степан Юрьевич

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