Catalytic conversion of aliphatic alcohols on carbon nanomaterials: The roles of structure and surface functional groups
- Авторы: Tveritinova E.1, Zhitnev Y.1, Chernyak S.1, Arkhipova E.1, Savilov S.1, Lunin V.1
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Учреждения:
- Department of Chemistry
- Выпуск: Том 91, № 3 (2017)
- Страницы: 448-454
- Раздел: Chemical Kinetics and Catalysis
- URL: https://journals.rcsi.science/0036-0244/article/view/169306
- DOI: https://doi.org/10.1134/S0036024417030293
- ID: 169306
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Аннотация
Carbon nanomaterials with the structure of graphene and different compositions of the surface groups are used as catalysts for the conversion of С2–С4 aliphatic alcohols. The conversions of ethanol, propanol- 1, propanol-2, butanol-1, butanol-2, and tert-butanol on carbon nanotubes, nanoflakes, and nanoflakes doped with nitrogen are investigated. Oxidized and nonoxidized multiwalled carbon nanotubes, nanoflakes, and nanoflakes doped with nitrogen are synthesized. X-ray diffraction analysis, X-ray photoelectron spectroscopy, scanning and transmission electronic microscopies, Brunauer–Emmett–Teller method, derivatographic analyses, and the pulsed microcatalytic method are used to characterize comprehensively the prepared catalysts. It was established that all of the investigated carbon nanomaterials (with the exception of nondoped carbon nanoflakes) are bifunctional catalysts for the conversion of aliphatic alcohols, and promote dehydration reactions with the formation of olefins and dehydrogenation reactions with the formation of aldehydes or ketones. Nanoflakes doped with nitrogen are inert with respect to secondary alcohols and tert-butanol. The role of oxygen-containing and nitrogen-containing surface groups, and of the geometrical structure of the carbon matrix of graphene nanocarbon materials in the catalytic conversion of aliphatic alcohols, is revealed. Characteristics of the conversion of aliphatic alcohols that are associated with their structure are identified.
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E. Tveritinova
Department of Chemistry
Автор, ответственный за переписку.
Email: eatver@mail.ru
Россия, Moscow, 119991
Yu. Zhitnev
Department of Chemistry
Email: eatver@mail.ru
Россия, Moscow, 119991
S. Chernyak
Department of Chemistry
Email: eatver@mail.ru
Россия, Moscow, 119991
E. Arkhipova
Department of Chemistry
Email: eatver@mail.ru
Россия, Moscow, 119991
S. Savilov
Department of Chemistry
Email: eatver@mail.ru
Россия, Moscow, 119991
V. Lunin
Department of Chemistry
Email: eatver@mail.ru
Россия, Moscow, 119991