The DOI matches its Crossref record; 15 of the 15 references it cites were found in a registry or an index.
Dual‐Functional N Dopants in Edges and Basal Plane of MoS2 Nanosheets Toward Efficient and Durable Hydrogen Evolution
Abstract
Herein, the authors explicitly reveal the dual‐functions of N dopants in molybdenum disulfide (MoS 2) catalyst through a combined experimental and first‐principles approach. The authors achieve an economical, ecofriendly, and most efficient MoS 2‐based hydrogen evolution reaction (HER) catalyst of N‐doped MoS 2 nanosheets, exhibiting an onset overpotential of 35 mV, an overpotential of 121 mV at 100 mA cm−2 and a Tafel slope of 41 mV dec−1. The dual‐functions of N dopants are (1) activating the HER catalytic activity of MoS 2 S‐edge and (2) enhancing the conductivity of MoS 2 basal plane to promote rapid charge transfer. Comprehensive electrochemical measurements prove that both the amount of active HER sites and the conductivity of N‐doped MoS 2 increase as a result of doping N. Systematic first‐principles calculations identify the active HER sites in N‐doped MoS 2 edges and also illustrate the conducting charges spreading over N‐doped basal plane induced by strong Mo 3 d–S 2 p–N 2 p hybridizations at Fermi level. The experimental and theoretical research on the efficient HER catalysis of N‐doped MoS 2 nanosheets possesses great potential for future sustainable hydrogen production via water electrolysis and will stimulate further development on nonmetal‐doped MoS 2 systems to bring about novel high‐performance HER catalysts.
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Cites
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Cited by
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Metadata
- Authors
- Xiao, W., Liu, P., Zhang, J., Song, W., Feng, Y. P., Gao, D., & Ding, J.
- Venue
- Advanced Energy Materials
- Publisher
- Wiley
- Published
- 2016-12-12
- Volume
- 7
- Issue
- 7
- ISSN
- 1614-6832 (ISSN-L)
- 1614-6840
- OpenAlex
- W2566061985
- Cited by
- 368
- References
- 15
- FWCI
- 9.48
- Type
- journal article
- Language
- en
- Open access
- closed
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- Xiao, W., Liu, P., Zhang, J., Song, W., Feng, Y. P., Gao, D., & Ding, J. (2017). Dual‐Functional N Dopants in Edges and Basal Plane of MoS2 Nanosheets Toward Efficient and Durable Hydrogen Evolution. Advanced Energy Materials. https://doi.org/10.1002/aenm.201602086
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