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A thermally derived and optimized structure from ZIF-8 with giant enhancement in CO2 uptake

Gadipelli, S; Travis, W; Zhou, W; Guo, Z; (2014) A thermally derived and optimized structure from ZIF-8 with giant enhancement in CO2 uptake. Energy & Environmental Science , 2014 (7) 2232 - 2238. 10.1039/c4ee01009d. Green open access

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Abstract

We report a new, simple and versatile method to obtain highly active MOF structures by carefully controlled post-synthesis thermal annealing. The active ZIF-8 structure shows highly enhanced CO2/N2 selectivity and a stable cyclic CO2 uptake of ≥1.5 mmol g−1 at 1 bar and 25 °C with a heat of adsorption of ≥30 kJ mol−1, which is over 100% greater than ≈0.7 mmol g−1 and ≈17 kJ mol−1, respectively of ZIF-8.

Type: Article
Title: A thermally derived and optimized structure from ZIF-8 with giant enhancement in CO2 uptake
Open access status: An open access version is available from UCL Discovery
DOI: 10.1039/c4ee01009d
Publisher version: http://dx.doi.org/10.1039/c4ee01009d
Language: English
Additional information: This journal is © The Royal Society of Chemistry 2014.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
URI: https://discovery.ucl.ac.uk/id/eprint/1434749
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