Journal
DALTON TRANSACTIONS
Volume 48, Issue 16, Pages 5176-5182Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9dt00384c
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Funding
- PAPIIT UNAM Mexico [IN101517]
- CONACyT [1789, CONTex 2018-36B, 236879]
- UAM
- UNAM
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The 2-propanol (i-PrOH) adsorption properties of InOF-1 are investigated along with the confinement of small amounts of this alcohol to enhance the CO2 capture for i-PrOH@ InOF-1 (1.25-fold improvement compared to pristine InOF-1). InOF-1 exhibited a high affinity towards i-PrOH, experimentally quantified by Delta H-ads (-55 kJ mol(-1)), and DFT geometry optimisations showed strong hydrogen bonding between O(i-PrOH) and H(mu(2)-OH). Quantum chemical models demonstrated that the CO2 capture increase for i-PrOH@ InOF-1 was due to a decrease in the void surface of InOF-1 (bottleneck effect), and the formation of essential hydrogen bonds of CO2 with i-PrOH and with the hydroxo functional group (mu(2)-OH) of InOF-1.
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