Issue 3, 2022

Tunable hydrocarbon adsorption based on a zeolitic imidazolate framework in the sodalite topology

Abstract

Manipulation of materials exhibiting step-shaped isotherms using simple and scalable methods is key to realizing their utility in advanced separation schemes. To this end, we have discovered EMM-36, a hybrid isostructural to ZIF-7 material in the sodalite topology prepared from industrially scalable organic moieties. Through simple compositional tuning of EMM-36 that remains true to the linker composition introduced in the synthesis, controlled manipulation of the step-function adsorption behaviour of gases onto the flexible framework has been realized. We observe that the energetics for the phase transformation from a denser narrow pore (np) to more open large pore (lp) phase are directly controllable while maintaining the hexagonal crystal structure characteristic of the lp phase of ZIF-7 under adsorbed conditions throughout the entire hybrid compositional range.

Graphical abstract: Tunable hydrocarbon adsorption based on a zeolitic imidazolate framework in the sodalite topology

Supplementary files

Article information

Article type
Paper
Submitted
06 Jan 2021
Accepted
08 Dec 2021
First published
16 Dec 2021

J. Mater. Chem. A, 2022,10, 1425-1432

Tunable hydrocarbon adsorption based on a zeolitic imidazolate framework in the sodalite topology

J. M. Falkowski, P. I. Ravikovitch, M. S. Abdulkarim, G. M. Muraro, S. F. Liu, C. Paur, E. A. Strohmaier and S. C. Weston, J. Mater. Chem. A, 2022, 10, 1425 DOI: 10.1039/D1TA00149C

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