Electrochemical Tuning of MoS2 Nanoparticles on Three-Dimensional Substrate for Efficient Hydrogen Evolution
Abstract
Molybdenum disulfide (MoS2) with the two-dimensional layered structure has been widely studied as an advanced catalyst for hydrogen evolution reaction (HER). Intercalating guest species into the van der Waals gaps of MoS2 has been demonstrated as an effective approach to tune the electronic structure and consequently improve the HER catalytic activity. In this work, by constructing nanostructured MoS2 particles with largely exposed edge sites on the three-dimensional substrate and subsequently conducting Li electrochemical intercalation and exfoliation processes, an ultrahigh HER performance with 200 mA/cm2 cathodic current density at only 200 mV overpotential is achieved. We propose that both the high surface area nanostructure and the 2H semiconducting to 1T metallic phase transition of MoS2 are responsible for the outstanding catalytic activity. Electrochemical stability test further confirms the long-term operation of the catalyst.
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The phase structure of MoS2 can be tuned from 2H to 1T via lithium electrochemical intercalation, demonstrating a facile way for phase engineering of MoS2 nanosheets.
“it was found that the phase structure of the MoS 2 can be tuned from 2H to 1T via lithium electrochemical intercalation, demonstrating a facile way for phase engineering of MoS 2 nanosheets.”
From 2D Transition‐Metal‐Dichalcogenide‐Nanosheet‐Based Composites for Photocatalytic and Electrocatalytic Hydrogen Evolution Reactions (2016) · cites this paper as [176]
The high performance of 1T-MoS2-CFP showed a negligible decay after the first 1000 cycles and remained unchanged until 7000 cycles, demonstrating its excellent electrochemical stability.
“the high performance of 1T-MoS 2 -CFP showed a negligible decay after the fi rst 1000 cycles and remained unchanged until 7000 cycles, demonstrating its excellent electrochemical stability.”
From 2D Transition‐Metal‐Dichalcogenide‐Nanosheet‐Based Composites for Photocatalytic and Electrocatalytic Hydrogen Evolution Reactions (2016) · cites this paper as [176]
The abundant edge sites on MoS2 nanoparticles, high conductivity of CFP, and unique 1T phase structure mainly contributed to the high catalytic activity of 1T-MoS2-CFP.
“The abundant edge sites on MoS 2 nanoparticles, high conductivity of CFP, and unique 1T phase structure mainly contributed to the high catalytic activity.”
From 2D Transition‐Metal‐Dichalcogenide‐Nanosheet‐Based Composites for Photocatalytic and Electrocatalytic Hydrogen Evolution Reactions (2016) · cites this paper as [176]
MoS2 has received tremendous attention owing to its high activity and earth-abundant composition.
“Among all these TMDs, molybdenum disulfide (MoS2) has received tremendous attention owing to the high activity and earth-abundant composition, inducing the rapid development of various kinds of MoS2-based HER electrocatalysts [19–23].”
From Graphene/graphene nanoribbon aerogels as tunable three-dimensional framework for efficient hydrogen evolution reaction (2017) · cites this paper as [22]
MoS2 can be a promising electrocatalyst for HER.
“Recently, researchers have found that MoS2 can be a promising electrocatalyst for HER.22−31”
From In-Situ Growth of Few-Layered MoS<sub>2</sub> Nanosheets on Highly Porous Carbon Aerogel as Advanced Electrocatalysts for Hydrogen Evolution Reaction (2015) · cites this paper as [30]
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- Authors
- Wang, H., Lu, Z., Kong, D., Sun, J., Hymel, T. M., & Cui, Y.
- Affiliations
- Stanford University (US)
- SLAC National Accelerator Laboratory (US)
- Corresponding author
- Cui, Yi
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-04-09
- Volume
- 8
- Issue
- 5
- Pages
- 4940-4947
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W1994945623
- Cited by
- 611
- References
- 5
- Citations by year
- 2026: 16 · 2025: 16 · 2024: 27 · 2023: 25 · 2022: 37 · 2021: 54 · 2020: 46 · 2019: 55 · 2018: 85 · 2017: 75 · 2016: 80 · 2015: 75 · 2014: 19
- FWCI
- 27.39
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- ACS Nano (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Materials Science › Materials Chemistry › 2D Materials and Applications
- Physical Sciences › Engineering › Mechanical Engineering › Catalysis and Hydrodesulfurization Studies
- Keywords
- MoS2, MoS2 nanoparticles, hydrogen evolution reaction, electrocatalysis, lithium intercalation, electrochemical exfoliation, edge sites, 2H-1T phase transition, electronic structure modulation, three-dimensional substrates, electrochemical stability
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