Template-Free Synthesis of Hierarchical Porous Metal-Organic Frameworks

Template-Free Synthesis of Hierarchical Porous Metal-Organic Frameworks
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DOI:
10.1021/ja402694f
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发表时间:
2013-07-03
影响因子:
15
通讯作者:
Dai, Sheng
Dai, Sheng
中科院分区:
化学1区
文献类型:
--
作者:
Yue, Yanfeng;Qiao, Zhen-An;Dai, Sheng

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报道了无模板法合成2,5-二羟基-1,4-苯二甲酸锌(Zn-MOF-74)的分级微孔-介孔金属有机骨架(MOF)。双峰材料的表面形态和孔隙率可以通过用各种合成溶剂蚀刻孔壁不同的反应时间来改性。这种无模板的策略使得能够制备具有超过15 nm的中孔的稳定框架,这在以前通过配体延伸方法合成M0 F中是无法实现的。
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.