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MOF-templated syntheses of porous Co3O4 hollow spheres and micro-flowers for enhanced performance in supercapacitors

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Abstract

Two kinds of MOF micro-precursors (Co-BTB-I, micro-spheres; Co-BTB-II, micro-flowers) are obtained with/without a surfactant by a simple and fast reaction. The hollow spherical morphology of Co-BTB-I-450 and the flower-like morphology of Co-BTB-II-450 are successfully preserved from the MOF-based template morphologies with highly crystalline Co3O4 nanoparticles. Compared to Co-BTB-II-450 materials and commercial Co3O4, the Co-BTB-I-450 electrode exhibits the best performance as an electrochemical supercapacitor with a specific capacitance of 342.1 F g−1 at 0.5 A g−1.

Graphical abstract: MOF-templated syntheses of porous Co3O4 hollow spheres and micro-flowers for enhanced performance in supercapacitors

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Publication details

The article was received on 17 Apr 2018, accepted on 03 Jun 2018 and first published on 04 Jun 2018


Article type: Communication
DOI: 10.1039/C8CE00613J
Citation: CrystEngComm, 2018, Advance Article
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    MOF-templated syntheses of porous Co3O4 hollow spheres and micro-flowers for enhanced performance in supercapacitors

    Z. Zhu, C. Han, T. Li, Y. Hu, J. Qian and S. Huang, CrystEngComm, 2018, Advance Article , DOI: 10.1039/C8CE00613J

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