The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
Efficient and Robust Hydrogen Evolution: Phosphorus Nitride Imide Nanotubes as Supports for Anchoring Single Ruthenium Sites
Abstract
Amorphous phosphorus nitride imide nanotubes (HPN) are reported as a novel substrate to stabilize materials containing single‐metal sites. Abundant dangling unsaturated P vacancies play a role in stabilization. Ruthenium single atoms (SAs) are successfully anchored by strong coordination interactions between the d orbitals of Ru and the lone pair electrons of N located in the HPN matrix. The atomic dispersion of Ru atoms can be distinguished by X‐ray absorption fine structure measurements and spherical aberration correction electron microscopy. Importantly, Ru SAs@PN is an excellent electrocatalyst for the hydrogen evolution reaction (HER) in 0.5 m H 2 SO 4, delivering a low overpotential of 24 mV at 10 mA cm−2 and a Tafel slope of 38 mV dec−1. The catalyst exhibits robust stability in a constant current test at a large current density of 162 mA cm−2 for more than 24 hours, and is operative for 5000 cycles in a cyclic voltammetry test. Additionally, Ru SAs@PN presents a turnover frequency (TOF) of 1.67 H 2 s−1 at 25 mV, and 4.29 H 2 s−1 at 50 mV, in 0.5 m H 2 SO 4 solution, outperforming most of the reported hydrogen evolution catalysts. Density functional theory (DFT) calculations further demonstrate that the Gibbs free energy of adsorbed H* over the Ru SAs on PN is much closer to zero compared with the Ru/C and Ru SAs supported on carbon and C 3 N 4, thus considerably facilitating the overall HER performance.
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Cites
Noble metal-free hydrogen evolution catalysts for water splitting
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Enhancing Hydrogen Evolution Activity in Water Splitting by Tailoring Li + -Ni(OH) 2 -Pt Interfaces
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An efficient and pH-universal ruthenium-based catalyst for the hydrogen evolution reaction
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Cited by
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Single atom electrocatalysts supported on graphene or graphene-like carbons
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Self-citationLu, B., Guo, L., Wu, F., Peng, Y., Lu, J. E., Smart, T. J., Wang, N., Finfrock, Y. Z., Morris, D., Zhang, P., et al. (2019) · Nature Communications · doi:10.1038/s41467-019-08419-3 · Cited by 629
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Metadata
- Authors
- Yang, J., Chen, B., Liu, X., Liu, W., Li, Z., Dong, J., Chen, W., Yan, W., Yao, T., Duan, X., Wu, Y., & Li, Y.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2018-07-02
- Volume
- 57
- Issue
- 30
- Pages
- 9495-9500
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2808621023
- Cited by
- 258
- References
- 10
- FWCI
- 7.35
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yang, J., Chen, B., Liu, X., Liu, W., Li, Z., Dong, J., Chen, W., Yan, W., Yao, T., Duan, X., Wu, Y., & Li, Y. (2018). Efficient and Robust Hydrogen Evolution: Phosphorus Nitride Imide Nanotubes as Supports for Anchoring Single Ruthenium Sites. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201804854
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