Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 18, Pages 5071-5076Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201702501
Keywords
CO2 capture; metal-organic frameworks; microporous materials; supramolecular chemistry
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Funding
- Energy Efficiency & Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Ministry of Trade Industry & Energy, Republic of Korea [20152020104870]
- National Research Foundation of Korea (NRF) - Korea government (MEST) [NRF-2014R1A4A1003712]
- BK21 PLUS program
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Controlling the arrangement of different metal ions to achieve ordered heterogeneity in metal-organic frameworks (MOFs) has been a great challenge. Herein, we introduce a template-directed approach, in which a 1D metal-organic polymer incorporating well-defined binding pockets for the secondary metal ions used as a structural template and starting material for the preparation of well-ordered bimetallic MOF-74s under heterogeneous-phase hydrothermal reaction conditions in the presence of secondary metal ions such as Ni2+ and Mg2+ in 3 h. The resulting bimetallic MOF-74s were found to possess a nearly 1:1 metal ratio regardless of their initial stoichiometry in the reaction mixture, thus demonstrating the possibility of controlling the arrangement of metal ions within the secondary building blocks in MOFs to tune their intrinsic properties such as gas affinity.
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