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Updated: Feb 15, 2026

Development of Heterogeneous Enantioselective Catalysts using Chiral Metal-Organic Frameworks MOFs
Published on: January 17, 2020
Stable Aluminum Metal-Organic Frameworks (Al-MOFs) for Balanced CO2 and Water Selectivity
Haiwei Li1, Xiao Feng1, Dou Ma1
1Key Laboratory of Cluster Science, Ministry of Education of China, School of Chemistry and Chemical Engineering, Beijing Institute of Technology , 5 South Zhongguancun Street, Beijing 100081, P. R. China.
Abstract:
Three new Al-MOFs in the formation of [Al4(OH)2(OCH3)4(OH-BDC)3]·xH2O (BIT-72), [Al4(OH)2(OCH3)4(CH3-BDC)3]·xH2O (BIT-73) and {Al4(OH)2(OCH3)4[(CH3)2-BDC]3}·xH2O (BIT-74) have been synthesized by assembling Al3+ ion with terephthalic acid ions decorated with monohydroxyl, monomethyl or dimethyl groups, respectively. All of these three MOFs exhibit high stability in boiling water and acidic conditions. Among them, BIT-72 shows the highest surface area of 1618 m2·g-1 and IAST CO2/N2 selectivity of 48, while BIT-73 and BIT-74 present moderate IAST CO2/N2 selectivity and much lower H2O capacity below P/P0 = 0.3. The high CO2/N2 selectivity together with alleviative H2O sorption at low water relative pressure may provide promising potential in postcombustion CO2 capture.
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