Please use this identifier to cite or link to this item: https://doi.org/10.1039/c5ta09060a
Title: Nanofiller-tuned microporous polymer molecular sieves for energy and environmental processes
Authors: Song, Q
Cao, S
Pritchard, R.H
Qiblawey, H
Terentjev, E.M
Cheetham, A.K 
Sivaniah, E
Keywords: Carbon dioxide
Crosslinking
Crystalline materials
Fillers
Gases
Metal nanoparticles
Microporosity
Molecular sieves
Nanoparticles
Natural polymers
Organic polymers
Organometallics
Polymers
Separation
Sieves
Covalent crosslinking
Cross-linked polymers
Enhanced permeability
Environmental process
Gas separation membrane
Inorganic nanoparticle
Microporous metal organic frameworks
Molecular sieving properties
Gas permeable membranes
Issue Date: 2015
Citation: Song, Q, Cao, S, Pritchard, R.H, Qiblawey, H, Terentjev, E.M, Cheetham, A.K, Sivaniah, E (2015). Nanofiller-tuned microporous polymer molecular sieves for energy and environmental processes. Journal of Materials Chemistry A 4 (1) : 270-279. ScholarBank@NUS Repository. https://doi.org/10.1039/c5ta09060a
Rights: Attribution 4.0 International
Abstract: Microporous polymers with molecular sieving properties are promising for a wide range of applications in gas storage, molecular separations, catalysis, and energy storage. In this study, we report highly permeable and selective molecular sieves fabricated from crosslinked polymers of intrinsic microporosity (PIMs) incorporated with highly dispersed nanoscale fillers, including nonporous inorganic nanoparticles and microporous metal-organic framework (MOF) nanocrystals. We demonstrate that the combination of covalent crosslinking of microporous polymers via controlled thermal oxidation and tunable incorporation of nanofillers results in high-performance membranes with substantially enhanced permeability and molecular sieving selectivity, as demonstrated in separation of gas molecules, for example, air separation (O2/N2), CO2 separation from natural gas (CH4) or flue gas (CO2/N2), and H2 separation from N2 and CH4. After ageing over two years, these nanofiller-tuned molecular sieves became more selective and less permeable but maintained permeability levels that are still two orders of magnitude higher than conventional gas separation membranes. © The Royal Society of Chemistry.
Source Title: Journal of Materials Chemistry A
URI: https://scholarbank.nus.edu.sg/handle/10635/180309
ISSN: 20507488
DOI: 10.1039/c5ta09060a
Rights: Attribution 4.0 International
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