The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
Ultrasmall and phase-pure W2C nanoparticles for efficient electrocatalytic and photoelectrochemical hydrogen evolution
Open accessAbstract
Earlier research has been primarily focused on WC as one of the most promising earth-abundant electrocatalysts for hydrogen evolution reaction (HER), whereas the other compound in this carbide family—W 2 C—has received far less attention. Our theoretical calculations suggest that such a focus is misplaced and W 2 C is potentially more HER-active than WC. Nevertheless, the preparation of phase pure and sintering-free W 2 C nanostructures represents a formidable challenge. Here we develop an improved carburization method and successfully prepare ultrasmall and phase-pure W 2 C nanoparticles. When evaluated for HER electrocatalysis, W 2 C nanoparticles exhibit a small onset overpotential of 50 mV, a Tafel slope of 45 mV dec−1 and outstanding long-term cycling stability, which are dramatically improved over all existing WC-based materials. In addition, the integration of W 2 C nanoparticles with p-type Si nanowires enables highly active and sustainable solar-driven hydrogen production. Our results highlight the great potential of this traditionally non-popular material in HER electrocatalysis.
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Cited by
Recent Advances in Electrocatalytic Hydrogen Evolution Using Nanoparticles
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Metadata
- Authors
- Gong, Q., Wang, Y., Hu, Q., Zhou, J., Feng, R., Duchesne, P. N., Zhang, P., Chen, F., Han, N., Li, Y., Jin, C., Li, Y., & Lee, S.-T.
- Venue
- Nature Communications
- Published
- 2016-10-18
- Volume
- 7
- Issue
- 1
- Pages
- 13216-13216
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2533416009
- Cited by
- 427
- References
- 10
- FWCI
- 12.16
- Type
- journal article
- Language
- en
- Open access
- gold
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- Gong, Q., Wang, Y., Hu, Q., Zhou, J., Feng, R., Duchesne, P. N., Zhang, P., Chen, F., Han, N., Li, Y., Jin, C., Li, Y., & Lee, S.-T. (2016). Ultrasmall and phase-pure W2C nanoparticles for efficient electrocatalytic and photoelectrochemical hydrogen evolution. Nature Communications. https://doi.org/10.1038/ncomms13216
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