Kinetic uptake experiments on InOF-1 confirm a maximum of 5.42 wt% CO2 capture at 30 o C and a significant 2-fold increase (~11 wt %) in CO2 capture under 20% relative humidity of water vapour. InOF-1 captures CO2 under humidity conditions (10% and 20% RH) and relatively high temperatures (40 and 50 o C) without any degradation of the crystalline structure which was corroborated by PXRD.

NH2-MIL-53(Al) exhibited a considerable stronger affinity to water than MIL-53(Al). Thus, the hydrophobicity (shown by in situ FTIR) of the pores within MIL-53(Al) enhanced the CO2 adsorption.

By kinetic uptake experiments, MIL-53(Al) shows under anhydrous conditions at 30 °C a CO2 capture of 3.5 wt%. When this material is exposed to water vapour (20% RH and 30 °C), there is a considerable 1.5-fold increase in the CO2 capture up to 5.2 wt%.