Royal Society of Chemistry, Journal of Materials Chemistry A: materials for energy and sustainability, 5(2), p. 1235-1238, 2014
DOI: 10.1039/c3ta13792a
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This study demonstrates that the interlayer galleries of layered compounds can exhibit size selectivity. A compact NiAl-CO3 layered double hydroxide membrane was prepared showing a selectivity of 80 for the H2–CH4 mixture. The use of the γ-Al2O3 modified α-Al2O3 substrate and CO2-saturated water solvent was essential for high-quality membrane fabrication.