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Research Article

Fabrication of NiFe layered double hydroxide with well-defined laminar superstructure as highly efficient oxygen evolution electrocatalysts

Hao ZhangHaoyi LiBilal AkramXun Wang( )
Department of Chemistry,Tsinghua University,Beijing,100084,China;
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Abstract

Structure–activity relationship (SAR) is the key problem of nanoscience, thus to fabricate novel and well-defined nanostructure will provide a new insight on catalyst preparation method. Highly active and low cost electrocatalysts for oxygen evolution reaction (OER) are of great importance for future renewable energy conversion and storage. Herein, NiFe-based layered double hydroxides with laminar structure (NFLS) were successfully fabricated via a one-step hydrothermal approach by using sodium dodecyl sulfate as surfactant. The as-fabricated NFLS showed a well-defined periodic layered-stacking geometry with a scale down to 1-nm. Benefitting from the unique structure, NFLS exhibited an excellent catalytic activity towards OER with current densities of 10 mA·cm−2 at overpotential of 197 mV. The synergistic effect of Ni and Fe plays a key role in electrode reactions. The present work provides a new insight to improve the OER performance by rational design of electrocatalysts with unique structures.

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Nano Research
Pages 1327-1331
Cite this article:
Zhang H, Li H, Akram B, et al. Fabrication of NiFe layered double hydroxide with well-defined laminar superstructure as highly efficient oxygen evolution electrocatalysts. Nano Research, 2019, 12(6): 1327-1331. https://doi.org/10.1007/s12274-019-2284-0
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Received: 05 December 2018
Revised: 31 December 2018
Accepted: 01 January 2019
Published: 29 May 2019
© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019
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