The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
NiFe-Layered Double Hydroxide Synchronously Activated by Heterojunctions and Vacancies for the Oxygen Evolution Reaction
Abstract
The development of earth-abundant transition-metal-based electrocatalysts with bifunctional properties (oxygen evolution reaction (OER) and hydrogen evolution reaction (HER)) is crucial to commercial hydrogen production. In this work, layered double hydroxide (LDH)-zinc oxide (ZnO) heterostructures and oxygen vacancies are constructed synchronously by plasma magnetron sputtering of NiFe-LDH. Using the optimal conditions, ZnO nanoparticles are uniformly distributed on the NiFe-LDH nanoflowers, which are prepared uniformly on the three-dimensional porous Ni foam. In the LDH-ZnO heterostructures and oxygen vacancies, electrons are depleted at the Ni cations on the NiFe-LDH surface and the active sites change from Fe cations to Ni cations during OER. Our theoretical assessment confirms the change of active sites after the deposition of ZnO and reveals the charge-transfer mechanism. Owing to the significant improvement in the OER dynamics, overall water splitting can be achieved at only 1.603 V in 1 M KOH when the Ni/LDH-ZnO and Ni/LDH are used as the anode and cathode, respectively. The work reveals a novel design of self-supported catalytic electrodes for efficient water splitting and also provides insights into the surface modification of catalytic materials.
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Toward the rational design of non-precious transition metal oxides for oxygen electrocatalysis
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Cited by
Xu, Q., Zhang, J., Zhang, H., Zhang, L., Chen, L., Hu, Y., Jiang, H., & Li, C. (2021) · Energy & Environmental Science · doi:10.1039/d1ee02105b · Cited by 469
Zhai, Y., Ren, X., Sun, Y., Li, D., Wang, B., & Liu, S. (. (2023) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2022.122091 · Cited by 458
Wen, Q., Yang, K., Huang, D., Cheng, G., Ai, X., Liu, Y., Fang, J., Li, H., Yu, L., & Zhai, T. (2021) · Advanced Energy Materials · doi:10.1002/aenm.202102353 · Cited by 398
Metadata
- Authors
- Luo, Y., Wu, Y., Wu, D., Huang, C., Xiao, D., Chen, H., Zheng, S., & Chu, P. K.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2020-08-31
- Volume
- 12
- Issue
- 38
- Pages
- 42850-42858
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W3081696036
- Cited by
- 164
- References
- 10
- FWCI
- 4.58
- Type
- journal article
- Language
- en
- Open access
- closed
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- Luo, Y., Wu, Y., Wu, D., Huang, C., Xiao, D., Chen, H., Zheng, S., & Chu, P. K. (2020). NiFe-Layered Double Hydroxide Synchronously Activated by Heterojunctions and Vacancies for the Oxygen Evolution Reaction. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.0c11847
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