Please use this identifier to cite or link to this item: https://dspace.ctu.edu.vn/jspui/handle/123456789/4789
Title: Mixed-Metal Zeolitic Imidazolate Frameworks and their Selective Capture of Wet Carbon Dioxide over Methane
Authors: Nguyễn, Thị Tuyết Nhung
Cordova, Kyle E.
Furukawa, Hiroyasu
Le, Toan B.
Nguyen, T. D. Huong
Kim, Jaheon
Lo, N. H. Tien
Issue Date: 2016
Series/Report no.: Inorganic Chemistry;55 .- p.6201-6207
Abstract: A presynthesized, square planar copper imidazole complex, [Cu(imidazole)₄](NO₃)₂, was utilized as a precursor in the synthesis of a new series of zeolitic imidazolate frameworks, termed ZIF-202, -203, and -204. The structures of all three members were solved by single-crystal X-ray diffraction analysis, which revealed ZIF-203 and -204 having successfully integrated square planar units within the backbones of their respective frameworks. As a result of this unit, the structures of both ZIF-203 and -204 were found to adopt unprecedented three-dimensional nets, namely, ntn and thl,respectively. One member of this series, ZIF-204, was demonstrated to be highly porous, exhibit exceptional stability in water, and selectively capture CO₂ over CH₄ under both dry and wet conditions without any loss in performance over three cycles. Remarkably, the regeneration of ZIF-204 was performed under the mild conditions of flowing a pure N₂ gas through the material at ambient temperature.
URI: http://dspace.ctu.edu.vn/jspui/handle/123456789/4789
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