期刊
CHEMICAL SCIENCE
卷 8, 期 5, 页码 3538-3546出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6sc04903f
关键词
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资金
- National Natural Science Foundation of China [21401056]
- Japan Society for Promotion of Science (JSPS)
- Grants-in-Aid for Scientific Research [15K18216, 16F16050] Funding Source: KAKEN
While bulk-sized metal-organic frameworks (MOFs) face limits to their utilization in various research fields such as energy storage applications, nanoarchitectonics is believed to be a possible solution. It is highly challenging to realize MOF nanobubbles with monocrystalline frameworks. By a spatially controlled etching approach, here, we can achieve the synthesis of zeolitic imidazolate framework (ZIF-8) nanobubbles with a uniform size of less than 100 nm. Interestingly, the ZIF-8 nanobubbles possess a monocrystalline nanoshell with a thickness of around 10 nm. Under optimal pyrolytic conditions, the ZIF-8 nanobubbles can be converted into hollow carbon nanobubbles while keeping their original shapes. The structure of the nanobubble enhances the fast Na+/K+ ion intercalation performance. Such remarkable improvement cannot be realized by conventional MOFs or their derived carbons.
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