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Few-layer graphitic shells networked by low temperature pyrolysis of zeolitic imidazolate frameworks

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Abstract

Few-layer graphitic shell networks show great promise in energy storage applications such as electrochemical accommodation of alkaline ions. However, the networking and graphitization processes remain a challenge because of the complicated procedures and high temperature used for fabrication. In this work, we report a simple synthetic method by employing low-temperature solid-state pyrolysis of ZIF-67 crystals to weave graphitic shells consisting of 3–10 layers into capsules. Owing to their unique structure, the few-layer graphitic shell networks show excellent electrochemical performance for fast sodium ion storage.

Graphical abstract: Few-layer graphitic shells networked by low temperature pyrolysis of zeolitic imidazolate frameworks

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Publication details

The article was received on 31 Oct 2017, accepted on 23 Dec 2017 and first published on 22 Jan 2018


Article type: Research Article
DOI: 10.1039/C7QM00500H
Citation: Mater. Chem. Front., 2018, Advance Article
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    Few-layer graphitic shells networked by low temperature pyrolysis of zeolitic imidazolate frameworks

    Y. Chen, W. Zhang, X. Jiang, Y. V. Kaneti, D. Tang, X. Wang, A. A. Alshehri, J. You, Y. Yamauchi and M. Hu, Mater. Chem. Front., 2018, Advance Article , DOI: 10.1039/C7QM00500H

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