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Cited by 78Electrocatalysts for Energy ConversionHydrogen Storage and MaterialsFuel Cells and Related Materials

Rational Design of Atomic Layers of Pt Anchored on Mo2C Nanorods for Efficient Hydrogen Evolution over a Wide pH Range

Qiu, Yu, Wen, Zhilin, Jiang, Chaoran, Wu, Xiaojun, Si, Rui, Bao, Jun, Zhang, Qinghua, Gu, Lin +2 more·2019·Small
DOI 10.1002/smll.201900014
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Abstract

Abstract Transition metal carbide compound has been extensively investigated as a catalyst for hydrogenation, for example, due to its noble metal‐like properties. Herein a facile synthetic strategy is applied to control the thickness of atomic‐layer Pt clusters strongly anchored on N‐doped Mo2C nanorods (Pt/N‐Mo2C) and it is found that the Pt atomic layers modify Mo2C function as a high‐performance and robust catalyst for hydrogen evolution. The optimized 1.08 wt% Pt/N‐Mo2C exhibits 25‐fold, 10‐fold, and 15‐fold better mass activity than the benchmark 20 wt% Pt/C in neutral, acidic, and alkaline media, respectively. This catalyst also represents an extremely low overpotential of −8.3 mV at current density of 10 mA cm−2, much better than the majority of reported electrocatalysts and even the commercial reference catalyst (20 wt%) Pt/C. Furthermore, it exhibits an outstanding long‐term operational durability of 120 h. Theoretical calculation predicts that the ultrathin layer of Pt clusters on Mo‐Mo2C yields the lowest absolute value of ΔGH*. Experimental results demonstrate that the atomic layer of Pt clusters anchored on Mo2C substrate greatly enhances electron and mass transportation efficiency and structural stability. These findings could provide the foundation for developing highly effective and scalable hydrogen evolution catalysts.

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  • Pt single-atom and nanocluster catalysts demonstrate promising catalytic performance due to high atom utilization efficiency.

    “Recently, Pt single-atom and nanocluster catalysts have demonstrated promising catalytic performance due to their high atom utilization efficiency [17,18].”

    From Vertically aligned Pt/MXene/carbon nanotubes aerogels for superior hydrogen evolution reaction (2024) · cites this paper as [18]

    The Conclusions (page not available) attribute the catalyst’s strong hydrogen-evolution performance to well-dispersed atomic layers of Pt clusters and high Pt utilization. Results & Discussion reports that single Pt atoms coexist with those clusters, but does not establish that single-atom catalysts independently demonstrate the claimed performance or explain their performance by atom utilization. (LLM, conf=0.85)

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Cited by

Sorted by citations

Authors
Qiu, Y., Wen, Z., Jiang, C., Wu, X., Si, R., Bao, J., Zhang, Q., Gu, L., Tang, J., & Guo, X.
Affiliations
  • Northwest University (CN)
  • University of Science and Technology of China (CN)
  • University College London (GB)
  • Chinese Academy of Sciences (CN)
Corresponding author
  • Tang, Junwang
  • Guo, Xiaohui
ORCID
Venue
Small
Publisher
Wiley
Published
2019-03-05
Volume
15
Issue
14
Pages
e1900014-e1900014
ISSN
  • 1613-6810 (ISSN-L)
  • 1613-6829
DOI
10.1002/smll.201900014
OpenAlex
W2921501387
Cited by
78
References
0
Citations by year
2026: 6 · 2025: 9 · 2024: 12 · 2023: 10 · 2022: 10 · 2021: 13 · 2020: 12 · 2019: 6
FWCI
2.18
Type
journal article
Language
en
Open access
closed
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor)
Locations
  • Small (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (21573204, 21421063)
  • Ministry of Science and Technology of the People's Republic of China (2016YFA0200602, 2018YFA0208600)
  • Northwestern Polytechnical University (SKLSP201845, SKLSP2018045)
  • Leverhulme Trust (RPG‐2017‐122)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
Keywords
hydrogen evolution reaction, platinum clusters, transition metal carbides, electrocatalysts, wide pH range, mass activity, overpotential, catalyst stability, Pt/C comparison

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