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Hollow carbon nanobubbles: monocrystalline MOF nanobubbles and their pyrolysis

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Abstract

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.

Graphical abstract: Hollow carbon nanobubbles: monocrystalline MOF nanobubbles and their pyrolysis

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Publication details

The article was received on 04 Nov 2016, accepted on 26 Feb 2017 and first published on 07 Mar 2017


Article type: Edge Article
DOI: 10.1039/C6SC04903F
Citation: Chem. Sci., 2017, Advance Article
  • Open access: Creative Commons BY license
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    Hollow carbon nanobubbles: monocrystalline MOF nanobubbles and their pyrolysis

    W. Zhang, X. Jiang, Y. Zhao, A. Carné-Sánchez, V. Malgras, J. Kim, J. H. Kim, S. Wang, J. Liu, J. Jiang, Y. Yamauchi and M. Hu, Chem. Sci., 2017, Advance Article , DOI: 10.1039/C6SC04903F

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