The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.
Unsaturated Sulfur Edge Engineering of Strongly Coupled MoS2 Nanosheet–Carbon Macroporous Hybrid Catalyst for Enhanced Hydrogen Generation
Abstract
The low hydrogen adsorption free energy and strong acid/alkaline resistance of layered MoS 2 render it an excellent pH‐universal electrocatalyst for hydrogen evolution reaction (HER). However, the catalytic activity is dominantly suppressed by its limited active‐edge‐site density. Herein, a new strategy is reported for making a class of strongly coupled MoS 2 nanosheet–carbon macroporous hybrid catalysts with engineered unsaturated sulfur edges for boosting HER catalysis by controlling the precursor decomposition and subsequent sodiation/desodiation. Both surface chemical state analysis and first‐principles calculations verify that the resultant catalysts exhibit a desirable valence‐electron state with high exposure of unsaturated sulfur edges and an optimized hydrogen adsorption free energy, significantly improving the intrinsic HER catalytic activity. Such an electrocatalyst exhibits superior and stable catalytic activity toward HER with small overpotentials of 136 mV in 0.5 m H 2 SO 4 and 155 mV in 1 m KOH at 10 mA cm−2, which is the best report for MoS 2–C hybrid electrocatalysts to date. This work paves a new avenue to improve the intrinsic catalytic activity of 2D materials for hydrogen generation.
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Cites
The chemistry of two-dimensional layered transition metal dichalcogenide nanosheets
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Noble metal-free hydrogen evolution catalysts for water splitting
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MoS 2 Nanoparticles Grown on Graphene: An Advanced Catalyst for the Hydrogen Evolution Reaction
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Biomimetic Hydrogen Evolution: MoS 2 Nanoparticles as Catalyst for Hydrogen Evolution
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Synthesis of MoS 2 and MoSe 2 Films with Vertically Aligned Layers
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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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Self-citationRational Design of Better Hydrogen Evolution Electrocatalysts for Water Splitting: A Review
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Self-citationLi, C., Wang, Z., Liu, M., Wang, E., Wang, B., Xu, L., Jiang, K., Fan, S., Sun, Y., Li, J., et al. (2022) · Nature Communications · doi:10.1038/s41467-022-31077-x · Cited by 221
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Metadata
- Authors
- Xu, Q., Liu, Y., Jiang, H., Hu, Y., Liu, H., & Li, C.
- Venue
- Advanced Energy Materials
- Publisher
- Wiley
- Published
- 2018-10-30
- Volume
- 9
- Issue
- 2
- ISSN
- 1614-6832 (ISSN-L)
- 1614-6840
- OpenAlex
- W2899283893
- Cited by
- 221
- References
- 11
- FWCI
- 6.39
- Type
- journal article
- Language
- en
- Open access
- closed
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- Xu, Q., Liu, Y., Jiang, H., Hu, Y., Liu, H., & Li, C. (2019). Unsaturated Sulfur Edge Engineering of Strongly Coupled MoS2 Nanosheet–Carbon Macroporous Hybrid Catalyst for Enhanced Hydrogen Generation. Advanced Energy Materials. https://doi.org/10.1002/aenm.201802553
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