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Defective metal-organic framework derivative by room-temperature exfoliation and reduction for highly efficient oxygen evolution reaction

Abstract

Metal-organic frameworks (MOFs) have been considered as an attractive precursor to fabricate functional MOFs derivatives for oxygen evolution reactions (OER). Herein, we developed a simple room-temperature exfoliation and reduction strategy to construct a core-shell structure electrocatalyst derived from multi-layer MOFs precursor for an enhanced OER performance. The reduced MOFs behaved stable OER current with an overpotential as low as 253 mV at 10 mA cm−2 and a Tafel slop of 39 mV dec-1, and the TOF increased by 38 times than pristine MOFs. The significant boosting is attributed to the amorphous core-shell structure for more active sites and the inner sufficient defects to enhance the conductivity by NaBH4 reduction under the ambient condition.

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Publication details

The article was received on 03 Mar 2019, accepted on 13 May 2019 and first published on 14 May 2019


Article type: Paper
DOI: 10.1039/C9TA02349F
J. Mater. Chem. A, 2019, Accepted Manuscript

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    Defective metal-organic framework derivative by room-temperature exfoliation and reduction for highly efficient oxygen evolution reaction

    Z. Zou, M. Cai, X. Zhao, J. Huang, J. Du and C. Xu, J. Mater. Chem. A, 2019, Accepted Manuscript , DOI: 10.1039/C9TA02349F

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