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Cited by 357

The DOI matches its Crossref record; 74 of the 74 references it cites were found in a registry or an index.

Amorphous Cobalt–Iron Hydroxide Nanosheet Electrocatalyst for Efficient Electrochemical and Photo‐Electrochemical Oxygen Evolution

Liu, Wei, Liu, Hu, Dang, Lianna, Zhang, Hongxiu, Wu, Xiaolin, Yang, Bin, Li, Zhongjian, Zhang, Xingwang, Lei, Lecheng, Jin, Song·2017·Advanced Functional Materials

Abstract

Finding efficient electrocatalysts for oxygen evolution reaction (OER) that can be effectively integrated with semiconductors is significantly challenging for solar‐driven photo‐electrochemical (PEC) water splitting. Herein, amorphous cobalt–iron hydroxide (CoFeH) nanosheets are synthesized by facile electrodeposition as an efficient catalyst for both electrochemical and PEC water oxidation. As a result of the high electrochemically active surface area and the amorphous nature, the optimized amorphous CoFeH nanosheets exhibit superior OER catalytic activity in alkaline environment with a small overpotential (280 mV) to achieve significant oxygen evolution (j = 10 mA cm−2) and a low Tafel slope (28 mV dec−1). Furthermore, CoFeH nanosheets are simply integrated with BiVO 4 semiconductor to construct CoFeH/BiVO 4 photoanodes that exhibit a significantly enhanced photocurrent density of 2.48 mA cm−2 (at 1.23 V vs reversible hydrogen electrode (RHE)) and a much lower onset potential of 0.23 V (vs RHE) for PEC‐OER. Careful electrochemical and optical studies reveal that the improved OER kinetics and high‐quality interface at the CoFeH/BiVO 4 junction, as well as the excellent optical transparency of CoFeH nanosheets, contribute to the high PEC performance. This study establishes amorphous CoFeH nanosheets as a highly competitive candidate for electrochemical and PEC water oxidation and provides general guidelines for designing efficient PEC systems.

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Metadata

Authors
Liu, W., Liu, H., Dang, L., Zhang, H., Wu, X., Yang, B., Li, Z., Zhang, X., Lei, L., & Jin, S.
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2017-03-07
Volume
27
Issue
14
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2592758909
Cited by
357
References
74
FWCI
13.52
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Amorphous Cobalt–Iron Hydroxide Nanosheet Electrocatalyst for Efficient Electrochemical and Photo‐Electrochemical Oxygen Evolution. https://app.cochat.ai/papers/10.1002/adfm.201603904
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Liu, W., Liu, H., Dang, L., Zhang, H., Wu, X., Yang, B., Li, Z., Zhang, X., Lei, L., & Jin, S. (2017). Amorphous Cobalt–Iron Hydroxide Nanosheet Electrocatalyst for Efficient Electrochemical and Photo‐Electrochemical Oxygen Evolution. Advanced Functional Materials. https://doi.org/10.1002/adfm.201603904

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