Template-Free Synthesis of Hierarchical Porous Metal–Organic Frameworks

A template-free synthesis of a hierarchical microporous–mesoporous metal–organic framework (MOF) of zinc(II) 2,5-dihydroxy-1,4-benzenedicarboxylate (Zn-MOF-74) is reported. The surface morphology and porosity of the bimodal materials can be modified by etching the pore walls with various synthesis s...

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Veröffentlicht in:Journal of the American Chemical Society 2013-07, Vol.135 (26), p.9572-9575
Hauptverfasser: Yue, Yanfeng, Qiao, Zhen-An, Fulvio, Pasquale F, Binder, Andrew J, Tian, Chengcheng, Chen, Jihua, Nelson, Kimberly M, Zhu, Xiang, Dai, Sheng
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Sprache:eng
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Zusammenfassung:A template-free synthesis of a hierarchical microporous–mesoporous metal–organic framework (MOF) of zinc(II) 2,5-dihydroxy-1,4-benzenedicarboxylate (Zn-MOF-74) is reported. The surface morphology and porosity of the bimodal materials can be modified by etching the pore walls with various synthesis solvents for different reaction times. This template-free strategy enables the preparation of stable frameworks with mesopores exceeding 15 nm, which was previously unattained in the synthesis of MOFs by the ligand-extension method.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja402694f