A dual-walled cage MOF as an efficient heterogeneous catalyst for the conversion of CO2 under mild and co-catalyst free conditions

Yun Hu Han, Zhong Yuan Zhou, Chong Bin Tian, Shao Wu Du

Research output: Contribution to journalArticlepeer-review

121 Scopus citations

Abstract

A novel 3D → 3D interpenetrated Zn-polyhedral MOF [Zn6(TATAB)4(DABCO)3(H2O)3]·12DMF·9H2O (1) (H3TATAB = 4,4′,4′′-s-triazine-1,3,5-triyl-tri-p-aminobenzoic acid, DABCO = 1,4-diazabicyclo[2.2.2]octane) based on a dual-walled icosahedral cage has been assembled by incorporating zinc paddlewheel units with nitrogen-rich tritopic carboxylate ligands. Owing to the high density of Lewis acid active sites and affinity to CO2 of the cage, this material exhibits an excellent catalytic efficiency in the cycloaddition of propylene oxide with CO2 into propylene carbonate under mild conditions (100 °C and ambient CO2 pressure) with a high yield of 99% over 16 h. Moreover, the catalytic reaction is environmentally friendly without any need for co-catalysts and solvents.

Original languageEnglish
Pages (from-to)4086-4091
Number of pages6
JournalGreen Chemistry
Volume18
Issue number14
DOIs
StatePublished - 2016
Externally publishedYes

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