Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 7, Issue 29, Pages 17248-17253Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ta04503a
Keywords
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Funding
- National Key RAMP
- D Program of China [2016YFB010030X, 2016YFB0700600]
- National Natural Science Foundation of China [51772117, 51732005]
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Designing the architecture of 3D metal-organic frameworks (MOFs) is fascinating, but challenging. Using a simple and reliable method called TECSA - Template-Engaged Crystal Self-Assembly, we efficiently produced 3D hollow superstructures composed of nanosized ZIF-67 single crystals (HU-ZIF-67S). These superstructures are durable, withstanding sulfidation and pyrolysis when making a functional Co1-xS@C composite, HPHU-Co1-xS@C. The composite exhibits a superior pseudocapacitance performance as a cathode material for supercapacitors. Significantly, this study enables the rational assembly of 3D MOF superstructures and provides a real path to fabricate sophisticated MOF derivatives.
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