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Solvent‐Induced Control over Breathing Behavior in Flexible Metal–Organic Frameworks for Natural‐Gas Delivery
Author(s) -
Kundu Tanay,
Wahiduzzaman Mohammad,
Shah Bhuvan B.,
Maurin Guillaume,
Zhao Dan
Publication year - 2019
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201902738
Subject(s) - sorption , methane , metal organic framework , porosity , chemical engineering , solvent , breathing , natural gas , dimethylformamide , materials science , particle size , chemistry , organic chemistry , adsorption , anesthesia , medicine , engineering
Finding appropriate stimuli for controlling the breathing behavior of flexible metal–organic frameworks (MOFs) is highly challenging. Herein, we report the solvent‐induced changes in the particle size and stability of different breathing phases of the MIL‐53 series, a group of flexible MOFs. A water/dimethylformamide (DMF) ratio is tuned to synthesize members of the MIL‐53 series which have different behaviors. The breathing is explored by high‐pressure methane sorption tests. Increasing DMF concentration decreases MOF particle size and increases the stability of the porous phases, boosting the 5.8–65 bar sorption difference of methane, which is required for natural‐gas delivery.