The DOI matches its Crossref record; 43 of the 43 references it cites were found in a registry or an index.
Activating Inert Basal Planes of MoS2 for Hydrogen Evolution Reaction through the Formation of Different Intrinsic Defects
Abstract
Nanoscale molybdenum disulfide (MoS 2 ) has attracted ever-growing interest as one of the most promising nonprecious catalysts for hydrogen evolution reaction (HER). However, the active sites of pristine MoS 2 are located at the edges, leaving a large area of basal planes useless. Here, we systematically evaluate the capabilities of 16 kinds of structural defects including point defects (PDs) and grain boundaries (GBs) to activate the basal plane of MoS 2 monolayer. Our first-principle calculations show that six types of defects (i.e., V s, V MoS3, Mo S2 PDs; 4|8a, S bridge, and Mo–Mo bond GBs) can greatly improve the HER performance of the in-plane domains of MoS 2 . More importantly, V s and Mo S2 PDs and S bridge and 4|8a GBs exhibit outstanding activity in both Heyrovsky and Tafel reactions as well. Moreover, the different HER activities of defects are well-understood by an amendatory band-center model, which is applicable to a broad class of systems with localized defect states. Our study provides a comprehensive picture of the defect-engineered HER activities of a MoS 2 monolayer and opens a new window for optimizing the HER activity of two-dimensional dichalcogenides for future hydrogen utilization.
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Metadata
- Authors
- Ouyang, Y., Ling, C., Chen, Q., Wang, Z., Shi, L., & Wang, J.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-06-06
- Volume
- 28
- Issue
- 12
- Pages
- 4390-4396
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2397744158
- Cited by
- 482
- References
- 43
- FWCI
- 13.59
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ouyang, Y., Ling, C., Chen, Q., Wang, Z., Shi, L., & Wang, J. (2016). Activating Inert Basal Planes of MoS2 for Hydrogen Evolution Reaction through the Formation of Different Intrinsic Defects. Chemistry of Materials. https://doi.org/10.1021/acs.chemmater.6b01395
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