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Наносистемы: физика, химия, математика

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Эпоксид-индуцированный синтез аэрогелей германия в уксусной кислоте

https://doi.org/10.17586/2220-8054-2025-16-3-343-351

Аннотация

Предложен новый метод золь-гель синтеза аэрогелей германия без участия алкоксидов. Метод основан на гидролизе GeCl4 пропиленоксидом в концентрированной уксусной кислоте, используемой в качестве растворителя. Предложенный способ позволяет получать монолитные аморфные аэрогели германия, состоящие из трехмерной сетки наноразмерных (⁓ 20 нм) частиц и обладающие удельной площадью поверхности около 80 м2/г. Добавление соляной кислоты в реакционную смесь приводит к получению нанокристаллических аэрогелей GeO2 (гексагональная сингония). Синтезированные материалы были охарактеризованы методами рентгеновской дифракции, ИК-и КР-спектроскопии, сканирующей электронной микроскопии и низкотемпературной адсорбции азота.

Об авторах

О. Гайтко
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Россия


С. Голодухина
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Россия


С. Котцов
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Россия


А. Сон
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Россия


Т. Козлова
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Россия


А. Баранчиков
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Россия


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Рецензия

Для цитирования:


Гайтко О., Голодухина С., Котцов С., Сон А., Козлова Т., Баранчиков А. Эпоксид-индуцированный синтез аэрогелей германия в уксусной кислоте. Наносистемы: физика, химия, математика. 2025;16(3):343-351. https://doi.org/10.17586/2220-8054-2025-16-3-343-351

For citation:


Gajtko O.M., Golodukhina S.V., Kottsov S.Yu., Son A.G., Kozlova T.O., Baranchikov A.E. Epoxide-mediated synthesis of germania aerogels in acetic acid. Nanosystems: Physics, Chemistry, Mathematics. 2025;16(3):343-351. https://doi.org/10.17586/2220-8054-2025-16-3-343-351

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