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Issue 7, 2014
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A thermally derived and optimized structure from ZIF-8 with giant enhancement in CO2 uptake

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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.

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

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Article information


Submitted
31 Mar 2014
Accepted
13 May 2014
First published
09 Jun 2014

Energy Environ. Sci., 2014,7, 2232-2238
Article type
Communication
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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