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Normal-pulse-voltage-assisted in situ fabrication of graphene-wrapped MOF-derived CuO nanoflowers for water oxidation

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Abstract

Chemical vapor deposition (CVD) and normal pulse voltage (NPV) are adopted to construct high-quality graphene-wrapped CuO nanoflowers grown in situ on copper foam (CuO NP@G/CF) as an efficient oxygen evolution reaction (OER) electrocatalyst. The CuO NF@G/CF electrode exhibits a small overpotential of 320 mV to drive a current density of 10 mA cm−2 with a low Tafel slope of 63.1 mV dec−1. This enhancement in OER performance stems from the synergistic effect between highly conductive graphene and hierarchically porous CuO nanoflowers with a number of high-density active sites and open spaces.

Graphical abstract: Normal-pulse-voltage-assisted in situ fabrication of graphene-wrapped MOF-derived CuO nanoflowers for water oxidation

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Supplementary files

Article information


Submitted
30 Apr 2020
Accepted
05 Jun 2020
First published
06 Jun 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Normal-pulse-voltage-assisted in situ fabrication of graphene-wrapped MOF-derived CuO nanoflowers for water oxidation

Y. Wang, S. Wang, D. Liu, L. Zhou, R. Du, T. Li, T. Miao, J. Qian, Y. Hu and S. Huang, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC03132A

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