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Purely Physisorption-based CO-Selective Gate-Opening in Microporous Organically Pillared Layered Silicates

Title data

Herling, Markus M. ; Rieß, Martin ; Sato, Hiroshi ; Li, Liangchun ; Martin, Thomas ; Kalo, Hussein ; Matsuda, Ryotaro ; Kitagawa, Susumu ; Breu, Josef:
Purely Physisorption-based CO-Selective Gate-Opening in Microporous Organically Pillared Layered Silicates.
In: Angewandte Chemie International Edition. Vol. 57 (2018) Issue 2 . - pp. 564-568.
ISSN 1521-3773
DOI: https://doi.org/10.1002/ange.201710717

Official URL: Volltext

Abstract in another language

Separation of gas molecules with similar physical and chemical properties is challenging but nevertheless highly relevant for chemical processing. By introducing the elliptically shaped molecule, 1,4-Dimethly-1,4-diazabicyclo[2.2.2]octane, into the interlayer space of a layered silicate, a two-dimensional microporous network with narrow pore size distribution is generated (MOPS-5). The regular arrangement of the pillar molecules in MOPS-5 was confirmed by the occurrence of a 10-band related to a long-range pseudo-hexagonal superstructure of pillar molecules in the interlayer space. While with MOPS-5 for CO2 adsorption, gate-opening occurs at constant volume by freezing pillar rotation, for CO the interlayer space is expanded at gate-opening and a classical interdigitated layer type of gate-opening is observed. The selective nature of the gate-opening might be used for separation of CO and N2 by pressure swing adsorption.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: CO adsorption; Gas separation; Gate-opening; Microporous materials; Physisorption
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I > Chair Anorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie > SFB 840 - TP A 6
Research Institutions
Research Institutions > Collaborative Research Centers, Research Unit
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 29 Mar 2018 06:49
Last Modified: 29 Mar 2018 06:49
URI: https://eref.uni-bayreuth.de/id/eprint/43092