NMR Study of the Host Structure and Guest Dynamics Investigated with Alkane/Alkene Mixtures in Metal Organic Frameworks ZIF-8

Dieter Freude, Nina Dvoyashkina, Sergei S. Arzumanov, Daniil I. Kolokolov, Alexander G. Stepanov, Christian Chmelik, Hua Jin, Yanshuo Li, Jörg Kärger, Jürgen Haase

Результат исследования: Научные публикации в периодических изданияхстатья

8 Цитирования (Scopus)

Аннотация

Within the family of metal-organic frameworks, the zeolite-imidazolate framework (ZIF) of type ZIF-8 is among the most promising materials with potential application for hydrocarbon separation, notably of alkanes and alkenes. We have applied NMR spectroscopy for exploring the interaction of representative alkane/alkene mixtures with the host framework as well as the mobility of the various components in their mixture. Deviating from, for example, the separation patterns known for MFI-based membranes, the mobility of the faster molecules (alkenes) is found to remain essentially unaffected by the presence of more slowly diffusing molecules (alkanes). In addition, 2H and 67Zn magic-angle spinning NMR contributes to the characterization of ZIF-8 in search for guest-induced changes in the lattice structure.

Язык оригиналаанглийский
Страницы (с-по)1904-1912
Число страниц9
ЖурналJournal of Physical Chemistry C
Том123
Номер выпуска3
DOI
СостояниеОпубликовано - 24 янв 2019

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