Journal
CATALYSIS TODAY
Volume 374, Issue -, Pages 38-43Publisher
ELSEVIER
DOI: 10.1016/j.cattod.2020.12.038
Keywords
Metal-organic frameworks (MOFs); Linker induce strategy; CO2
Funding
- National Natural Science Foundation of China [NSFC21701187]
- Natural Science Basic Research Program of Shaanxi [2020JQ-142]
- Ningbo Natural Science Foundation [202003N4066]
- Fundamental Research Funds for the Central Universities [31020180QD115]
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In this study, a series of hexanuclear rare-earth MOFs based on Ce (III) and 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin are reported, with Ce-PCN-224 showing a new zln topology through linker induce strategy. Ce-PCN224 exhibits permanent porosity, high water and thermal stabilities, and the ability to adsorb dye molecules in the aqueous environment. Additionally, Ce-PCN-224(Fe) and Ce-PCN224(Co) were proved to be efficient heterogeneous catalysts for the cycloaddition of CO2 with epoxides after post-metallation with Fe, Co, and Ni, attributed to the combination of multiple Lewis acidic sites.
In this article, we report a series of hexanuclear rare-earth MOFs based on Ce (III) and 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin, namely Ce-PCN-224, with a new zln topology through linker induce strategy. Ce-PCN224 exhibits permanent porosity, high water and thermal stabilities, and the ability to adsorb dye molecules in the aqueous environment. Moreover, after post-metallation with Fe, Co, and Ni, Ce-PCN-224(Fe) and Ce-PCN224(Co) were proved to be efficient heterogeneous catalysts for the cycloaddition of CO2 with epoxides, attributed to the combination of multiple Lewis acidic sites.
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