Immobilized Single Molecular Molybdenum Disulfide on Carbonized Polyacrylonitrile for Hydrogen Evolution Reaction
Abstract
Designing a MoS 2 catalyst having a large number of active sites and high site activity enables the catalytic activity toward the hydrogen evolution reaction to be improved. Herein, we report the synthesis of a low-cost and catalytically active immobilized single molecular molybdenum disulfide on carbonized polyacrylonitrile (MoS 2 -cPAN) electrocatalyst. From the extended X-ray absorption fine structure spectra analysis, we found that the as-prepared material has no metal-metal scattering and it resembles MoS 2 with a molecular state. Meanwhile, the size of the molecular MoS 2 has been estimated to be about 1.31 nm by high-angle annular dark-field scanning transmission electron microscopy. A low coordination number and maximum utilization of the single molecular MoS 2 surface enable MoS 2 -cPAN to demonstrate electrochemical performance significantly better than that of bulk MoS 2 by two orders of exchange current density ( j o ) and turnover frequency to the hydrogen evolution.
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Supporting MoS2 on a substrate is an effective way to expose more active sites and improve electrocatalytic performance.
“Thereinto, supporting MoS2 on a substrate is an effective way to expose more active sites and improve electrocatalytic performance.”
From Defect-induced growth of MoS2 nanosheets on selectively etched SiC nanowires aerogel for efficient electrocatalytic hydrogen evolution (2025) · cites this paper as [23]
Cites
Synthesis of MoS <sub>2</sub> and MoSe <sub>2</sub> Films with Vertically Aligned Layers
Kong, D., Wang, H., Cha, J. J., Pasta, M., Koski, K. J., Yao, J., & Cui, Y. (2013) · Nano Letters · doi:10.1021/nl400258t · Cited by 2,250 · see citing works
Tuning the MoS <sub>2</sub> Edge-Site Activity for Hydrogen Evolution via Support Interactions
Tsai, C., Abild-Pedersen, F., & Nørskov, J. K. (2014) · Nano Letters · doi:10.1021/nl404444k · Cited by 760 · see citing works
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Monolayer MoS <sub>2</sub> quantum dots as catalysts for efficient hydrogen evolution
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Cheng, Y., Song, H., Wu, H., Zhang, P., Tang, Z., & Lu, S. (2020) · Chemistry – An Asian Journal · doi:10.1002/asia.202000752 · Cited by 86 · see citing works
Peng, K., Wang, Y., Chen, H., Su, L., Niu, M., Lu, D., & Wang, H. (2025) · Chemical Engineering Journal · doi:10.1016/j.cej.2025.164783 · Cited by 11 · see citing works
- Authors
- Zeleke, T. S., Tsai, M.-C., Weret, M. A., Huang, C.-J., Birhanu, M. K., Liu, T.-C., Huang, C.-P., Soo, Y.-L., Yang, Y.-W., Su, W.-N., & Hwang, B.-J.
- Affiliations
- National Taiwan University of Science and Technology (TW)
- National Tsing Hua University (TW)
- National Synchrotron Radiation Research Center (TW)
- Corresponding author
- Su, Wei-Nien
- Hwang, Bing-Joe
- ORCID
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-05-13
- Volume
- 13
- Issue
- 6
- Pages
- 6720-6729
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2945036023
- Cited by
- 51
- References
- 4
- Citations by year
- 2026: 1 · 2025: 6 · 2024: 6 · 2023: 5 · 2022: 9 · 2021: 9 · 2020: 12 · 2019: 3
- FWCI
- 1.76
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- ACS Nano (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Ministry of Education
- Academia Sinica (AS-KPQ-106- DDPP)
- Ministry of Science and Technology, Taiwan (106-2923-E 011-005, 104-2911-1-011-505-MY2, 105-ET-E-011-004-ET, 103-2221-E-011-156-MY3, 104-2923-M-011-002-MY3, 105-3113-E-011-001)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Metalloenzymes and iron-sulfur proteins
- Physical Sciences › Engineering › Mechanical Engineering › Catalysis and Hydrodesulfurization Studies
- Keywords
- MoS2, hydrogen evolution reaction, electrocatalysts, immobilized catalysts, low coordination number, exchange current density, turnover frequency
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