The DOI matches its Crossref record; 15 of the 15 references it cites were found in a registry or an index.
Enabling Colloidal Synthesis of Edge-Oriented MoS2 with Expanded Interlayer Spacing for Enhanced HER Catalysis
Abstract
By selectively promoting heterogeneous nucleation/growth of MoS 2 on graphene monolayer sheets, edge-oriented (EO) MoS 2 nanosheets with expanded interlayer spacing (∼9.4 Å) supported on reduced graphene oxide (rGO) sheets were successfully synthesized through colloidal chemistry, showing the promise in low-cost and large-scale production. The number and edge length of MoS 2 nanosheets per area of graphene sheets were tuned by controlling the reaction time in the microwave-assisted solvothermal reduction of ammonium tetrathiomolybdate [(NH 4 ) 2 MoS 4 ] in dimethylformamide. The edge-oriented and interlayer-expanded (EO&IE) MoS 2 /rGO exhibited significantly improved catalytic activity toward hydrogen evolution reaction (HER) in terms of larger current density, lower Tafel slope, and lower charge transfer resistance compared to the corresponding interlayer-expanded MoS 2 sheets without edge-oriented geometry, highlighting the importance of synergistic effect between edge-oriented geometry and interlayer expansion on determining HER activity of MoS 2 nanosheets. Quantitative analysis clearly shows the linear dependence of current density on the edge length of MoS 2 nanosheets.
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Cites
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Metadata
- Authors
- Sun, Y., Alimohammadi, F., Zhang, D., & Guo, G.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-02-13
- Volume
- 17
- Issue
- 3
- Pages
- 1963-1969
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2587544975
- Cited by
- 270
- References
- 15
- FWCI
- 9.68
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sun, Y., Alimohammadi, F., Zhang, D., & Guo, G. (2017). Enabling Colloidal Synthesis of Edge-Oriented MoS2 with Expanded Interlayer Spacing for Enhanced HER Catalysis. Nano Letters. https://doi.org/10.1021/acs.nanolett.6b05346
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