The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
Charge Mediated Semiconducting-to-Metallic Phase Transition in Molybdenum Disulfide Monolayer and Hydrogen Evolution Reaction in New 1T′ Phase
Abstract
The phase transition of single layer molybdenum disulfide (MoS 2 ) from semiconducting 2H to metallic 1T and then to 1T′ phases, and the effect of the phase transition on hydrogen evolution reaction (HER) are investigated within this work by density functional theory. Experimentally, 2H-MoS 2 has been widely used as an excellent electrode for HER and can get charged easily. Here we find that the negative charge has a significant impact on the structural phase transition in a MoS 2 monolayer. The thermodynamic stability of 1T-MoS 2 increases with the negative charge state, comparing with the 2H-MoS 2 structure before phase transition and the kinetic energy barrier for a phase transition from 2H to 1T decreases from 1.59 to 0.27 eV when 4e – are injected per MoS 2 unit. Additionally, 1T phase is found to transform into the distorted structure (1T′ phase) spontaneously. On their activity toward hydrogen evolution reaction, 1T′-MoS 2 structure shows comparable hydrogen evolution reaction activity to the 2H-MoS 2 structure. If the charge transfer kinetics is taken into account, the catalytic activity of 1T′-MoS 2 is superior to that of 2H-MoS 2 . Our finding provides a possible novel method for phase transition of MoS 2 and enriches understanding of the catalytic properties of MoS 2 for HER.
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Cites
The chemistry of two-dimensional layered transition metal dichalcogenide nanosheets
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Self-citationMoS 2 Nanoparticles Grown on Graphene: An Advanced Catalyst for the Hydrogen Evolution Reaction
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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
2D MXenes: A New Family of Promising Catalysts for the Hydrogen Evolution Reaction
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Self-citationDu, X., Huang, J., Zhang, J., Yan, Y., Wu, C., Hu, Y., Yan, C., Lei, T., Chen, W., Fan, C., et al. (2019) · Angewandte Chemie International Edition · doi:10.1002/anie.201810104 · Cited by 521
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Metadata
- Authors
- Gao, G., Jiao, Y., Ma, F., Jiao, Y., Waclawik, E., & Du, A.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-06-02
- Volume
- 119
- Issue
- 23
- Pages
- 13124-13128
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W1530682245
- Cited by
- 359
- References
- 13
- FWCI
- 16.12
- Type
- journal article
- Language
- en
- Open access
- closed
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