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Title: Guest‐selective gate‐opening by pore engineering of two‐dimensional Kagomè lattice porous coordination polymers
Authors: Bonneau, Mickaele
Sugimoto, Kunihisa
Otake, Ken‐ichi
Tsuji, Yukiko
Shimanaka, Nanae
Lavenn, Christophe
Kitagawa, Susumu  kyouindb  KAKEN_id  orcid (unconfirmed)
Author's alias: 杉本, 邦久
大竹, 研一
辻, 有輝子
嶋中, 七重
北川, 進
Keywords: gas separation
metal-organic framework
porous coordination polymer
soft porous crystal
structural flexibility
Issue Date: Oct-2021
Publisher: Wiley
Journal title: Natural Sciences
Volume: 1
Issue: 2
Thesis number: e10020
Abstract: Porous coordination polymers (PCPs) with pore decoration have been used as materials for excellent storage and separation functions. The cooperative properties of flexible PCPs can be utilized to achieve the separation of mixtures of gaseous molecules having highly similar properties. The key to efficient molecular recognition and separation lies in increasing the degrees of freedom of the structure without sacrificing the stability of the system. However, the mechanism study of such behavior is still scarce in the literature. Here, we focused on PCPs with two-dimensional Kagomè lattice structures and functionalized the pores with various alkoxy pendant groups; this facilitated systematic tuning of the pore aperture size, the interlayer spacing, as well as the interactions between the host and adsorbed molecules. The combination of characterization techniques allowed us to observe a unique deformation of the lattice upon gas sorption, allowing the separation of gas molecules with similar physicochemical properties, such as propane and propylene.
Rights: © 2021 The Authors. Natural Sciences published by Wiley-VCH GmbH
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
DOI(Published Version): 10.1002/ntls.10020
Appears in Collections:Journal Articles

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