Шунгит – природный источник наноразмерного восстановленного оксида графена

Елена Федоровна Шека, Наталья Николаевна Рожкова, Elena Sheka, Natalia Rozhkova

Аннотация


Предлагается рассматривать шунгитовый углерод (шунгит) как природный аллотроп углерода многоуровневой фрактальной структуры, образующийся в результате последовательной агрегации нанолистов ~1 нм восстановленного оксида графена. Турбостратные стопки листов ~1,5 нм толщиной и ~2,5 нм шириной и глобулярная композиция стопок со средним линейным размером ~6 нм определяют вторичные и третичные уровни структуры. Агрегаты глобул размером десятки нанометров завершают структуру. Молекулярная теория оксида графена и эмпирические знания, полученные современной наукой о графене, легли в основу предлагаемого нового видения шунгита. Микроскопическое представление структурной организации шунгитового углерода нашло убедительное подтверждение при анализе эмпирических данных, полученных с использованием квантово-химического моделирования. Впервые продукт геологического процесса описывается на квантовом уровне.


Ключевые слова


наноуглерод; шунгит; восстановленный оксид графена; молекулярная теория графена

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Литература


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Sheka E. F., Popova N. A. Odd-electron molecular theory of the graphene hydrogenation. J. Mol. Mod. 2012. Vol. 18. P. 3751–3768.

Sheka E. F., Popova N. A. Molecular theory of graphene oxide. Phys. Chem. Chem. Phys. 2013. Vol. 15. P. 13304–13322.

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DOI: http://dx.doi.org/10.17076/geo264

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