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Updated: Nov 15, 2025
Author Spotlight: Functionalizing Metal-Organic Frameworks: Advancements, Challenges, and the Power of Post-Synthetic Ligand Exchange
Published on: June 23, 2023
A pyridyl-decorated Zr-organic framework for enhanced gas separation and CO2 transformation
Yong-Liang Liu1, Yanqing Di, Fengying Chen
1College of Chemical Engineering and Modern Materials, Shaanxi Key Laboratory of Comprehensive Utilization of Tailings Resources, Shaanxi Engineering Research Center for Mineral Resources Clean & Efficient Conversion and New Materials, Shang Luo University, Shang Luo 726000, PR China. slzhoucs@126.com.
Abstract:
A Zr-based MOF with UiO-66 topology, which was defined as Py-UiO-66, has been synthesized by modifying the ligand of p-phthalic acid with a pyridine group. Py-UiO-66 possesses excellent chemical stability in aqueous solutions of pH = 0-13, especially when the pore structure is functionalized by hanging bare Lewis basic pyridine groups. Results of gas adsorption experiment show that Py-UiO-66 has the ability to selectively absorb C2H2 and CO2 rather than CH4. More importantly, Py-UiO-66 has an efficient catalytic effect in CO2 cycloaddition.
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