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Platinum-nickel alloy excavated nano-multipods with hexagonal close-packed structure and superior activity towards hydrogen evolution reaction
Open accessAbstract
Crystal phase regulations may endow materials with enhanced or new functionalities. However, syntheses of noble metal-based allomorphic nanomaterials are extremely difficult, and only a few successful examples have been found. Herein, we report the discovery of hexagonal close-packed Pt–Ni alloy, despite the fact that Pt–Ni alloys are typically crystallized in face-centred cubic structures. The hexagonal close-packed Pt–Ni alloy nano-multipods are synthesized via a facile one-pot solvothermal route, where the branches of nano-multipods take the shape of excavated hexagonal prisms assembled by six nanosheets of 2.5 nm thickness. The hexagonal close-packed Pt–Ni excavated nano-multipods exhibit superior catalytic property towards the hydrogen evolution reaction in alkaline electrolyte. The overpotential is only 65 mV versus reversible hydrogen electrode at a current density of 10 mA cm−2, and the mass current density reaches 3.03 mA μgPt−1 at −70 mV versus reversible hydrogen electrode, which outperforms currently reported catalysts to the best of our knowledge.
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Cited by
Recent Advances in Electrocatalytic Hydrogen Evolution Using Nanoparticles
Zhu, J., Hu, L., Zhao, P., Lee, L. Y. S., & Wong, K.-Y. (2020) · Chemical Reviews · doi:10.1021/acs.chemrev.9b00248 · Cited by 3,133
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Recent advances in transition metal-based electrocatalysts for alkaline hydrogen evolution
Chen, Z., Duan, X., Wei, W., Wang, S., & Ni, B.-J. (2019) · Journal of Materials Chemistry A · doi:10.1039/c9ta03220g · Cited by 753
Li, W., Liu, Y., Wu, M., Feng, X., Redfern, S. A. T., Shang, Y., Yong, X., Feng, T., Wu, K., Liu, Z., et al. (2018) · Advanced Materials · doi:10.1002/adma.201800676 · Cited by 642
Strategies for design of electrocatalysts for hydrogen evolution under alkaline conditions
Wang, X., Zheng, Y., Sheng, W., Xu, Z. J., Jaroniec, M., & Qiao, S.-Z. (2020) · Materials Today · doi:10.1016/j.mattod.2019.12.003 · Cited by 533
Metadata
- Authors
- Cao, Z., Chen, Q., Zhang, J., Li, H., Jiang, Y., Shen, S., Fu, G., Lu, B.-A., Xie, Z., & Zheng, L.
- Venue
- Nature Communications
- Published
- 2017-04-24
- Volume
- 8
- Issue
- 1
- Pages
- 15131-15131
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2608518186
- Cited by
- 438
- References
- 12
- FWCI
- 13.73
- Type
- journal article
- Language
- en
- Open access
- gold
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- Cao, Z., Chen, Q., Zhang, J., Li, H., Jiang, Y., Shen, S., Fu, G., Lu, B.-A., Xie, Z., & Zheng, L. (2017). Platinum-nickel alloy excavated nano-multipods with hexagonal close-packed structure and superior activity towards hydrogen evolution reaction. Nature Communications. https://doi.org/10.1038/ncomms15131
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