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Updated: May 26, 2025

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes
Published on: August 16, 2018
Solvent-Induced Topological Variation in Zn-Triazolate-Dicarboxylate Pillared-Layer Frameworks for Multicomponent
Rong Yang1, Jian-Wei Cao1, Tao Zhang1
1Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, Xi'an Key Laboratory of Functional Organic Porous Materials, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, China.
Abstract:
The exploration of the solvent effect on metal-organic framework (MOF) structure is crucial for promoting their structural chemistry and expanding potential applications. Metal-triazolate-dicarboxylate pillared-layer frameworks, featuring adjustable pore structures, exhibit considerable promise for gas adsorption applications. Under identical conditions, two distinct topological pillared-layer framework structures were successfully synthesized using different solvents: Zn-mfa-atz-rob (rob-type) and Zn-mfa-atz-pcu (pcu-type). In the synthetic process, the solvent serves as a template agent, resulting in substantially different structures. The utilization of H2O/EtOH yielded a rob-type framework, whereas DMF/H2O/MeOH produced the pcu-type framework. Additionally, breakthrough experiments revealed that Zn-mfa-atz-pcu efficiently generated high-purity C2H4 (>99.9%) in a single step at ambient temperature from equimolar quaternary CO2/C2H2/C2H6/C2H4 mixtures.
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