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Ferrocene Introduced into 5-Methylresorcinol-Based Organic Aerogelsстатья
Статья опубликована в высокорейтинговом журнале
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: 29 апреля 2021 г.
- Авторы: Erkhova Ludmila V., Presniakov Igor A., Afanasov Michail I., Lemenovskiy Dmitry A., Yu Haojie, Wang Li, Danilson Mati, Koel Mihkel
- Журнал: Polymers
- Том: 12
- Год издания: 2020
- Издательство: MDPI
- Местоположение издательства: Basel, Switzerland
- Первая страница: 1582
- Последняя страница: 1594
- DOI: 10.3390/polym12071582
- Аннотация: The polycondensation sol–gel reaction of 5-methylresocinol and formaldehyde withadditional compounds in reaction media is a relatively simple way to produce modifiedaerogels. In order to obtain aerogels with a large surface area and high porosity, the conditionsfor gel formation, the solvent exchange process before drying, and the supercritical dryingprocess were optimized. A successful attempt was made to introduce ferrocene units into5-methylresocinol-formaldehyde-based aerogels. The resulting aerogels are amorphous substrates,and no aggregated ferrocene units were found in their structures. All of the aerogel samples that wereobtained are structurally similar despite differences in the original ferrocene units and their initialconcentration. It was found that the inclusion limit of ferrocene structural blocks into an aerogelis ~6% wt. The structures of the inclusions in which all of the Fe atoms in the aerogel substrateswere present in ferrocene/ferrocenium at an approximate ratio of 60/40 to 55/45 were confirmed byX-ray photoelectron spectroscopy and Mössbauer spectroscopy. Aerogels with ferrocene/ferroceniuminclusions are likely to exhibit reversible redox activity in reactions with gaseous reagents.
- Добавил в систему: Леменовский Дмитрий Анатольевич