Crystal Engineering of Two Light and Pressure Responsive Physisorbents

Dominic C. Castell; Varvara I. Nikolayenko; Debobroto Sensharma; Kyriaki Koupepidou; Katherine A. Forrest; Carlos J. Solanilla-Salinas; Brian Space; Leonard J. Barbour; Michael J. Zaworotko

doi:10.1002/anie.202219039

Crystal Engineering of Two Light and Pressure Responsive Physisorbents

Dominic C. Castell
, Varvara I. Nikolayenko
, Debobroto Sensharma
, Kyriaki Koupepidou
, Katherine A. Forrest
, Carlos J. Solanilla-Salinas
, Brian Space
, Leonard J. Barbour
, Michael J. Zaworotko

University of Limerick
University of South Florida
North Carolina State University
Stellenbosch University

Research output: Contribution to journal › Article › peer-review

Abstract

An emerging strategy in the design of efficient gas storage technologies is the development of stimuli-responsive physisorbents which undergo transformations in response to a particular stimulus, such as pressure, heat or light. Herein, we report two isostructural light modulated adsorbents (LMAs) containing bis-3-thienylcyclopentene (BTCP), LMA-1 [Cd(BTCP)(DPT)₂] (DPT=2,5-diphenylbenzene-1,4-dicarboxylate) and LMA-2 [Cd(BTCP)(FDPT)₂] (FDPT=5-fluoro-2,diphenylbenzene-1,4-dicarboxylate). Both LMAs undergo pressure induced switching transformations from non-porous to porous via adsorption of N₂, CO₂ and C₂H₂. LMA-1 exhibited multi-step adsorption while LMA-2 showed a single-step adsorption isotherm. The light responsive nature of the BTPC ligand in both frameworks was exploited with irradiation of LMA-1 resulting in a 55 % maximum reduction of CO₂ uptake at 298 K. This study reports the first example of a switching sorbent (closed to open) that can be further modulated by light.

Original language	English
Article number	e202219039
Journal	Angewandte Chemie - International Edition
Volume	62
Issue number	19
DOIs	https://doi.org/10.1002/anie.202219039
Publication status	Published - 2 May 2023

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This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 13 Climate Action

Keywords

Gas-Sorption
Photochromism
SCXRD
Stimuli-Responsive Compounds
Switching

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10.1002/anie.202219039

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title = "Crystal Engineering of Two Light and Pressure Responsive Physisorbents",

abstract = "An emerging strategy in the design of efficient gas storage technologies is the development of stimuli-responsive physisorbents which undergo transformations in response to a particular stimulus, such as pressure, heat or light. Herein, we report two isostructural light modulated adsorbents (LMAs) containing bis-3-thienylcyclopentene (BTCP), LMA-1 [Cd(BTCP)(DPT)2] (DPT=2,5-diphenylbenzene-1,4-dicarboxylate) and LMA-2 [Cd(BTCP)(FDPT)2] (FDPT=5-fluoro-2,diphenylbenzene-1,4-dicarboxylate). Both LMAs undergo pressure induced switching transformations from non-porous to porous via adsorption of N2, CO2 and C2H2. LMA-1 exhibited multi-step adsorption while LMA-2 showed a single-step adsorption isotherm. The light responsive nature of the BTPC ligand in both frameworks was exploited with irradiation of LMA-1 resulting in a 55 \% maximum reduction of CO2 uptake at 298 K. This study reports the first example of a switching sorbent (closed to open) that can be further modulated by light.",

keywords = "Gas-Sorption, Photochromism, SCXRD, Stimuli-Responsive Compounds, Switching",

author = "Castell, \{Dominic C.\} and Nikolayenko, \{Varvara I.\} and Debobroto Sensharma and Kyriaki Koupepidou and Forrest, \{Katherine A.\} and Solanilla-Salinas, \{Carlos J.\} and Brian Space and Barbour, \{Leonard J.\} and Zaworotko, \{Michael J.\}",

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AU - Castell, Dominic C.

AU - Nikolayenko, Varvara I.

AU - Sensharma, Debobroto

AU - Koupepidou, Kyriaki

AU - Forrest, Katherine A.

AU - Solanilla-Salinas, Carlos J.

AU - Space, Brian

AU - Barbour, Leonard J.

AU - Zaworotko, Michael J.

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N2 - An emerging strategy in the design of efficient gas storage technologies is the development of stimuli-responsive physisorbents which undergo transformations in response to a particular stimulus, such as pressure, heat or light. Herein, we report two isostructural light modulated adsorbents (LMAs) containing bis-3-thienylcyclopentene (BTCP), LMA-1 [Cd(BTCP)(DPT)2] (DPT=2,5-diphenylbenzene-1,4-dicarboxylate) and LMA-2 [Cd(BTCP)(FDPT)2] (FDPT=5-fluoro-2,diphenylbenzene-1,4-dicarboxylate). Both LMAs undergo pressure induced switching transformations from non-porous to porous via adsorption of N2, CO2 and C2H2. LMA-1 exhibited multi-step adsorption while LMA-2 showed a single-step adsorption isotherm. The light responsive nature of the BTPC ligand in both frameworks was exploited with irradiation of LMA-1 resulting in a 55 % maximum reduction of CO2 uptake at 298 K. This study reports the first example of a switching sorbent (closed to open) that can be further modulated by light.

AB - An emerging strategy in the design of efficient gas storage technologies is the development of stimuli-responsive physisorbents which undergo transformations in response to a particular stimulus, such as pressure, heat or light. Herein, we report two isostructural light modulated adsorbents (LMAs) containing bis-3-thienylcyclopentene (BTCP), LMA-1 [Cd(BTCP)(DPT)2] (DPT=2,5-diphenylbenzene-1,4-dicarboxylate) and LMA-2 [Cd(BTCP)(FDPT)2] (FDPT=5-fluoro-2,diphenylbenzene-1,4-dicarboxylate). Both LMAs undergo pressure induced switching transformations from non-porous to porous via adsorption of N2, CO2 and C2H2. LMA-1 exhibited multi-step adsorption while LMA-2 showed a single-step adsorption isotherm. The light responsive nature of the BTPC ligand in both frameworks was exploited with irradiation of LMA-1 resulting in a 55 % maximum reduction of CO2 uptake at 298 K. This study reports the first example of a switching sorbent (closed to open) that can be further modulated by light.

KW - Gas-Sorption

KW - Photochromism

KW - SCXRD

KW - Stimuli-Responsive Compounds

KW - Switching

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ER -

Crystal Engineering of Two Light and Pressure Responsive Physisorbents

Abstract

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Keywords

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