Investigation of the spin-lattice relaxation of 13CO and 13CO2 adsorbed in the metal-organic frameworks Cu3 (btc) 2 and Cu3− xZnx (btc) 2
D Michel, H Krautscheid, J Haase… - The Journal of Chemical …, 2013 - pubs.aip.org
The 13 C nuclear spin-lattice relaxation time of 13 CO and 13 CO 2 molecules adsorbed in
the metal-organic frameworks (MOFs) Cu 2.97 Zn 0.03 (btc) 2 and Cu 3 (btc) 2 is
investigated over a wide range of temperatures at resonance frequencies of 75.468 and
188.62 MHz. In all cases a mono-exponential relaxation is observed, and the 13 C spin-
lattice relaxation times (T 1) reveal minima within the temperature range of the
measurements and both frequencies. This allows us to carry out a more detailed analysis of …
the metal-organic frameworks (MOFs) Cu 2.97 Zn 0.03 (btc) 2 and Cu 3 (btc) 2 is
investigated over a wide range of temperatures at resonance frequencies of 75.468 and
188.62 MHz. In all cases a mono-exponential relaxation is observed, and the 13 C spin-
lattice relaxation times (T 1) reveal minima within the temperature range of the
measurements and both frequencies. This allows us to carry out a more detailed analysis of …
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