The DOI matches its Crossref record; 31 of the 31 references it cites were found in a registry or an index.
Engineered MoSe2‐Based Heterostructures for Efficient Electrochemical Hydrogen Evolution Reaction
Abstract
2D transition metal‐dichalcogenides are emerging as efficient and cost‐effective electrocatalysts for the hydrogen evolution reaction (HER). However, only the edge sites of their trigonal prismatic phase show HER‐electrocatalytic properties, while the basal plane, which is absent of defective/unsaturated sites, is inactive. Herein, the authors tackle the key challenge of increasing the number of electrocatalytic sites by designing and engineering heterostructures composed of single‐/few‐layer MoSe 2 flakes and carbon nanomaterials (graphene or single‐wall carbon nanotubes) produced by solution processing. The electrochemical coupling between the materials that comprise the heterostructure effectively enhances the HER‐electrocatalytic activity of the native MoSe 2 flakes. The optimization of the mass loading of MoSe 2 flakes and their electrode assembly via monolithic heterostructure stacking provides a cathodic current density of 10 mA cm−2 at overpotential of 100 mV, a Tafel slope of 63 mV dec−1, and an exchange current density (j0) of 0.203 µA cm−2. In addition, thermal and chemical treatments are exploited to texturize the basal planes of the MoSe 2 flakes (through Se‐vacancies creation) and to achieve in situ semiconducting‐to‐metallic phase conversion, respectively, thus they activate new HER‐electrocatalytic sites. The as‐engineered electrodes show a 4.8‐fold enhancement of j0 and a decrease in the Tafel slope to 54 mV dec−1.
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Cites
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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
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Recent advances in transition metal-based electrocatalysts for alkaline hydrogen evolution
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2D Transition Metal Dichalcogenides-Based Electrocatalysts for Hydrogen Evolution Reaction
Mondal, A., & Vomiero, A. (2022) · Advanced Functional Materials · doi:10.1002/adfm.202208994 · Cited by 295
CoNiSe2 heteronanorods decorated with layered-double-hydroxides for efficient hydrogen evolution
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Metadata
- Authors
- Najafi, L., Bellani, S., Oropesa‐Nuñez, R., Ansaldo, A., Prato, M., Del Rio Castillo, A. E., & Bonaccorso, F.
- Venue
- Advanced Energy Materials
- Publisher
- Wiley
- Published
- 2018-02-13
- Volume
- 8
- Issue
- 16
- ISSN
- 1614-6832 (ISSN-L)
- 1614-6840
- OpenAlex
- W2793093982
- Cited by
- 204
- References
- 31
- FWCI
- 5.54
- Type
- journal article
- Language
- en
- Open access
- closed
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