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Repulsive Lateral Interaction of Water Molecules at the Initial Stages of Adsorption in Microporous AlPO4-11 According to 27Al NMR and DFT Научная публикация

Журнал Langmuir
ISSN: 0743-7463 , E-ISSN: 1520-5827
Вых. Данные Год: 2024, Том: 40, Номер: 12, Страницы: 6384–6393 Страниц : 10 DOI: 10.1021/acs.langmuir.3c03969
Ключевые слова Adsorption; Aluminum; Density functional theory; Hydration; Microporosity; Molecules
Авторы Yakovlev Ilya V. 1,2 , Shubin Aleksandr A. 3 , Papulovskiy Evgeniy S. 1 , Toktarev Alexander V. 1 , Lapina Olga B. 1,2
Организации
1 Boreskov Institute of Catalysis, Prospekt Lavrentieva 5, 630090 Novosibirsk, Russia
2 Novosibirsk State University, ul. Pirogova 1, 630090 Novosibirsk, Russia
3 Institute of Solid State Chemistry and Mechanochemistry, Kutateladze 18, 630090 Novosibirsk, Russia

Информация о финансировании (1)

1 Российский научный фонд 23-13-00151

Реферат: Lateral (adsorbate–adsorbate) interactions between adsorbed molecules affect various physical and chemical properties of microporous adsorbents and catalysts, influencing their functional properties. In this work, we studied the hydration of microporous AlPO4-11 aluminophosphate, which has an unusually ordered structure upon adsorption of water vapor, and according to 27Al NMR data, only tetrahedrally or octahedrally coordinated Al sites are present in the AlPO4-11. These 27Al NMR data are consistent with the results of density functional theory (DFT) calculations of hydrated AlPO4-11, which revealed the presence of a strong repulsive lateral interaction at the initial stage of adsorption, suppressing the adsorption of water on neighboring (separated by one −O–P–O– bridge) Al crystallographic sites. As a result, of all the different aluminum sites, only half of the Al1 sites adsorb two water molecules and acquire octahedral coordination.
Библиографическая ссылка: Yakovlev I.V. , Shubin A.A. , Papulovskiy E.S. , Toktarev A.V. , Lapina O.B.
Repulsive Lateral Interaction of Water Molecules at the Initial Stages of Adsorption in Microporous AlPO4-11 According to 27Al NMR and DFT
Langmuir. 2024. V.40. N12. P.6384–6393. DOI: 10.1021/acs.langmuir.3c03969 WOS Scopus РИНЦ OpenAlex CAPlusCA PMID
Даты:
Поступила в редакцию: 22 дек. 2023 г.
Принята к публикации: 29 февр. 2024 г.
Опубликована online: 12 мар. 2024 г.
Опубликована в печати: 26 мар. 2024 г.
Идентификаторы БД:
≡ Web of science: WOS:001184798200001
≡ Scopus: 2-s2.0-85187677469
≡ РИНЦ: 66571096
≡ OpenAlex: W4392760814
≡ Chemical Abstracts: 2024:552032
≡ Chemical Abstracts (print): 186:172104
≡ PMID (PubMed): 38475698
Цитирование в БД:
≡ OpenAlex 4 Сбор данных от 15.02.2026
≡ Scopus 4 Сбор данных от 15.02.2026
≡ Web of science 4 Сбор данных от 20.02.2026
≡ РИНЦ 4 Сбор данных от 15.02.2026
Альметрики: