Issue 7, 2014

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

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.

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

Supplementary files

Article information

Article type
Communication
Submitted
31 Mar 2014
Accepted
13 May 2014
First published
09 Jun 2014

Energy Environ. Sci., 2014,7, 2232-2238

Author version available

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

S. Gadipelli, W. Travis, W. Zhou and Z. Guo, Energy Environ. Sci., 2014, 7, 2232 DOI: 10.1039/C4EE01009D

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