期刊
INORGANIC CHEMISTRY FRONTIERS
卷 6, 期 6, 页码 1415-1421出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9qi00340a
关键词
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资金
- National Natural Science Foundation of China [21671030]
- Key Program of the National Natural Science Foundation of China [21531001]
- 111 Project [B16008]
Although metal-organic frameworks (MOFs) can be extensively used as sacrificial templates to prepare their inorganic counterparts and vice versa, selective generation of these two types of materials in the same synthetic media is seldom involved due to the tremendous difference in composites and their thermodynamic stability. Herein, cobalt layered double hydroxides (Co-LDHs) were successfully prepared at room temperature from a typical synthetic system of zeolitic imidazolate framework-67 (ZIF-67), a methanolic solution of Co2+ and 2-methyimidazole (Hmim). The final products from ZIF-67 to ZIF-67/Co-LDH hybrids to Co-LDHs were easily regulated while gradually increasing the concentration of Co2+ and Hmim or the molar ratio of Co2+/Hmim. There was a similar variation trend in the methanol solvent used as well. The synthetic strategy even can be expanded to the selective synthesis of hetero-bimetallic CoZn-/CoNi-ZIFs and CoZn-/CoNi-LDHs.
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