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The DOI matches its Crossref record; 65 of the 65 references it cites were found in a registry or an index.

Zeolitic imidazolate framework (ZIF-8) based polymer nanocomposite membranes for gas separation

Open access
Song, Qilei, Nataraj, S. K., Roussenova, Mina V., Tan, Jin Chong, Hughes, David J., Li, Wei, Bourgoin, Pierre, Alam, M. Ashraf, Cheetham, Anthony K., Al-Muhtaseb, Shaheen A., Sivaniah, Easan·2012·Energy & Environmental Science

Abstract

As synthesised ZIF-8 nanoparticles (size ∼ 60 nm and specific surface area ∼ 1300–1600 m2 g−1) were directly incorporated into a model polymer matrix (Matrimid® 5218) by solution mixing. This produces flexible transparent membranes with excellent dispersion of nanoparticles (up to loadings of 30 wt%) with good adhesion within the polymer matrix, as confirmed by scanning electron microscopy, dynamic mechanical thermal analysis and gas sorption studies. Pure gas (H2, CO2, O2, N2 and CH4) permeation tests showed enhanced permeability of the mixed matrix membrane with negligible losses in selectivity. Positron annihilation lifetime spectroscopy (PALS) indicated that an increase in the free volume of the polymer with ZIF-8 loading together with the free diffusion of gas through the cages of ZIF-8 contributed to an increase in gas permeability of the composite membrane. The gas transport properties of the composite membranes were well predicted by a Maxwell model whilst the processing strategy reported can be extended to fabricate other polymer nanocomposite membranes intended for a wide range of emerging energy applications.

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Crossref · 10.1039/c2ee21996d

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Metadata

Authors
Song, Q., Nataraj, S. K., Roussenova, M. V., Tan, J. C., Hughes, D. J., Li, W., Bourgoin, P., Alam, M. A., Cheetham, A. K., Al-Muhtaseb, S. A., & Sivaniah, E.
Venue
Energy & Environmental Science
Published
2012
Volume
5
Issue
8
Pages
8359
ISSN
  • 1754-5692 (ISSN-L)
  • 1754-5706
OpenAlex
W2138016416
Cited by
744
References
65
FWCI
59.29
Type
journal article
Language
en
Open access
bronze

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