Article (Scientific journals)
New Azo-DMOF-1 MOF as a Photoresponsive Low-Energy CO2 Adsorbent and Its Exceptional CO2/N2 Separation Performance in Mixed Matrix Membranes.
Prasetya, Nicholaus; LADEWIG, Bradley Paul
2018In ACS Applied Materials and Interfaces, 10 (40), p. 34291 - 34301
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Keywords :
Matrimid; PIM-1; carbon capture; gas separation; metal−organic framework; photoresponsive; metal-organic framework; Gas separations; Photo-responsive; Materials Science (all)
Abstract :
[en] A new generation-2 light-responsive metal-organic framework (MOF) has been successfully synthesized using Zn as the metal source and both 2-phenyldiazenyl terephthalic acid and 1,4-diazabicyclo[2.2.2]octane (DABCO) as the ligands. It was found that Zn-azo-dabco MOF (Azo-DMOF-1) exhibited a photoresponsive CO2 adsorption both in static and dynamic condition because of the presence of azobenzene functionalities from the ligand. Further application of this MOF was evaluated by incorporating it as a filler in a mixed matrix membrane for CO2/N2 gas separation. Matrimid and polymer of intrinsic microporosity-1 (PIM-1) were used as the polymer matrix. It was found that Azo-DMOF-1 could enhance both the CO2 permeability and selectivity of the pristine polymer. In particular, the Azo-DMOF-1-PIM-1 composite membranes have shown a promising performance that surpassed the 2008 Robeson Upper Bound.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Prasetya, Nicholaus;  Barrer Centre, Department of Chemical Engineering , Imperial College London , Exhibition Road , London SW7 2AZ , United Kingdom
LADEWIG, Bradley Paul  ;  University of Luxembourg ; Barrer Centre, Department of Chemical Engineering , Imperial College London , Exhibition Road , London SW7 2AZ , United Kingdom
External co-authors :
yes
Language :
English
Title :
New Azo-DMOF-1 MOF as a Photoresponsive Low-Energy CO2 Adsorbent and Its Exceptional CO2/N2 Separation Performance in Mixed Matrix Membranes.
Publication date :
10 October 2018
Journal title :
ACS Applied Materials and Interfaces
ISSN :
1944-8244
eISSN :
1944-8252
Publisher :
American Chemical Society, United States
Volume :
10
Issue :
40
Pages :
34291 - 34301
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
N.P. acknowledges the Ph.D. scholarship funding from the Department of Chemical Engineering, Imperial College London. N.P. gratefully acknowledges Dr. Piers Gaffney for his assistance during the ligand synthesis and Marcus Cook for preparing the PIM-1, which was used in this study. The assistance of Patricia Carry and Kaho Cheung for various analytical techniques is also acknowledged.
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