In:
Angewandte Chemie, Wiley, Vol. 129, No. 36 ( 2017-08-28), p. 10816-10820
Abstract:
A flexible, yet very stable metal–organic framework (DUT‐98, Zr 6 O 4 (OH) 4 (CPCDC) 4 (H 2 O) 4 , CPCDC=9‐(4‐carboxyphenyl)‐9 H ‐carbazole‐3,6‐dicarboxylate) was synthesized using a rational supermolecular building block approach based on molecular modelling of metal–organic chains and subsequent virtual interlinking into a 3D MOF. Structural characterization via synchrotron single‐crystal X‐ray diffraction (SCXRD) revealed the one‐dimensional pore architecture of DUT‐98, envisioned in silico. After supercritical solvent extraction, distinctive responses towards various gases stimulated reversible structural transformations, as detected using coupled synchrotron diffraction and physisorption techniques. DUT‐98 shows a surprisingly low water uptake but a high selectivity for pore opening towards specific gases and vapors (N 2 , CO 2 , n ‐butane, alcohols) at characteristic pressure resulting in multiple steps in the adsorption isotherm and hysteretic behavior upon desorption.
Type of Medium:
Online Resource
ISSN:
0044-8249
,
1521-3757
DOI:
10.1002/ange.v129.36
DOI:
10.1002/ange.201702357
Language:
English
Publisher:
Wiley
Publication Date:
2017
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