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Three-in-One C2H2-Selectivity-Guided Adsorptive Separation across an Isoreticular Family of Cationic Square-Lattice MOFs

Dutta, Subhajit ; Mukherjee, Soumya ; Qazvini, Omid T. ; Gupta, Arvind K. LU ; Sharma, Shivani ; Mahato, Debanjan ; Babarao, Ravichandar and Ghosh, Sujit K. (2021) In Angewandte Chemie - International Edition
Abstract

Energy-efficient selective physisorption driven C2H2 separation from industrial C2-C1 impurities such as C2H4, CO2 and CH4 is of great importance in the purification of downstream commodity chemicals. We address this challenge employing a series of isoreticular cationic metal-organic frameworks, namely iMOF-nC (n=5, 6, 7). All three square lattice topology MOFs registered higher C2H2 uptakes versus the competing C2-C1 gases (C2H4, CO2 and CH4). Dynamic column breakthrough experiments on the best-performing iMOF-6C revealed the first three-in-one C2H2 adsorption selectivity guided... (More)

Energy-efficient selective physisorption driven C2H2 separation from industrial C2-C1 impurities such as C2H4, CO2 and CH4 is of great importance in the purification of downstream commodity chemicals. We address this challenge employing a series of isoreticular cationic metal-organic frameworks, namely iMOF-nC (n=5, 6, 7). All three square lattice topology MOFs registered higher C2H2 uptakes versus the competing C2-C1 gases (C2H4, CO2 and CH4). Dynamic column breakthrough experiments on the best-performing iMOF-6C revealed the first three-in-one C2H2 adsorption selectivity guided separation of C2H2 from 1:1 C2H2/CO2, C2H2/C2H4 and C2H2/CH4 mixtures. Density functional theory calculations critically examined the C2H2 selective interactions in iMOF-6C. Thanks to the abundance of square lattice topology MOFs, this study introduces a crystal engineering blueprint for designing C2H2-selective layered metal-organic physisorbents, previously unreported in cationic frameworks.

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author
; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
acetylene, cationic frameworks, metal-organic frameworks, physisorption, ultramicroporous MOFs
in
Angewandte Chemie - International Edition
publisher
John Wiley & Sons Inc.
external identifiers
  • scopus:85121359614
  • pmid:34797935
ISSN
1433-7851
DOI
10.1002/anie.202114132
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2021 Wiley-VCH GmbH.
id
3b800e05-5ba3-4a6b-85fd-fe7933c4090e
date added to LUP
2022-01-12 08:43:40
date last changed
2024-07-14 02:15:17
@article{3b800e05-5ba3-4a6b-85fd-fe7933c4090e,
  abstract     = {{<p>Energy-efficient selective physisorption driven C<sub>2</sub>H<sub>2</sub> separation from industrial C2-C1 impurities such as C<sub>2</sub>H<sub>4</sub>, CO<sub>2</sub> and CH<sub>4</sub> is of great importance in the purification of downstream commodity chemicals. We address this challenge employing a series of isoreticular cationic metal-organic frameworks, namely iMOF-nC (n=5, 6, 7). All three square lattice topology MOFs registered higher C<sub>2</sub>H<sub>2</sub> uptakes versus the competing C2-C1 gases (C<sub>2</sub>H<sub>4</sub>, CO<sub>2</sub> and CH<sub>4</sub>). Dynamic column breakthrough experiments on the best-performing iMOF-6C revealed the first three-in-one C<sub>2</sub>H<sub>2</sub> adsorption selectivity guided separation of C<sub>2</sub>H<sub>2</sub> from 1:1 C<sub>2</sub>H<sub>2</sub>/CO<sub>2</sub>, C<sub>2</sub>H<sub>2</sub>/C<sub>2</sub>H<sub>4</sub> and C<sub>2</sub>H<sub>2</sub>/CH<sub>4</sub> mixtures. Density functional theory calculations critically examined the C<sub>2</sub>H<sub>2</sub> selective interactions in iMOF-6C. Thanks to the abundance of square lattice topology MOFs, this study introduces a crystal engineering blueprint for designing C<sub>2</sub>H<sub>2</sub>-selective layered metal-organic physisorbents, previously unreported in cationic frameworks.</p>}},
  author       = {{Dutta, Subhajit and Mukherjee, Soumya and Qazvini, Omid T. and Gupta, Arvind K. and Sharma, Shivani and Mahato, Debanjan and Babarao, Ravichandar and Ghosh, Sujit K.}},
  issn         = {{1433-7851}},
  keywords     = {{acetylene; cationic frameworks; metal-organic frameworks; physisorption; ultramicroporous MOFs}},
  language     = {{eng}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{Angewandte Chemie - International Edition}},
  title        = {{Three-in-One C<sub>2</sub>H<sub>2</sub>-Selectivity-Guided Adsorptive Separation across an Isoreticular Family of Cationic Square-Lattice MOFs}},
  url          = {{http://dx.doi.org/10.1002/anie.202114132}},
  doi          = {{10.1002/anie.202114132}},
  year         = {{2021}},
}