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research article
Site-Specific CO2 Adsorption and Zero Thermal Expansion in an Anisotropic Pore Network
Detailed neutron powder diffraction (NPD) expts. were carried out on the parent and CO2 adsorbed Mg-MOF-74 (MOF: metal-org. framework). Data collected at low temp. revealed two CO2 adsorption sites on the pore surface and multiple changes in the framework as a function of CO2 loading. Upon heating the samples to room temp., the data revealed minimal changes in expansivity upon adsorption of up to 0.94 CO2/Mg (≈ 25% mass fraction). Further, temp.-dependent data collected on the bare framework reveals net zero thermal expansion between 10 and 475 K.
Type
research article
Authors
•
Brown, Craig M.
•
Britt, David K.
•
Zajdel, Pawel
•
Hudson, Matthew R.
•
Yaghi, Omar M.
Publication date
2011
Published in
Volume
115
Start page
24915
End page
24919
Subjects
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
February 23, 2017
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