Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 8, Issue 38, Pages 19984-19990Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ta05610c
Keywords
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Funding
- National Natural Science Foundation of China [91956108, 21871103]
- 111 Project [BP0719036]
- Science and Technology Department of Jilin Province Foundation [20180414009GH]
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Crystalline microporous membranes are promising materials as they have confined functional channels for molecular sieving and adsorption-diffusion. To date, a convenient method to control the permselectivity of a microporous membrane has remained a challenge. Herein, a functional MOF with an azobenzene side group was fabricated into a continuous, defect-free membrane and the surface could be conveniently covered using beta-cyclodextrin through adjusting the configuration of azobenzeneviavis light. Thus, the resulting beta-CD@UiO-68-azo membrane exhibits enhanced ultra-high H-2/CO(2)permselectivity and the performance can be controlled by reversible adsorption/desorption of capped beta-CD.
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