Cited by 705Electrocatalysts for Energy ConversionFuel Cells and Related MaterialsHydrogen Storage and Materials

MoS 2 Formed on Mesoporous Graphene as a Highly Active Catalyst for Hydrogen Evolution

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Liao, Lei, Zhu, Jie, Bian, Xiaojun, Zhu, Lina, Scanlon, Micheál D., Girault, Hubert H., Liu, Baohong·2013·Advanced Functional Materials

Abstract

A highly active and stable electrocatalyst for hydrogen evolution is developed based on the in situ formation of MoS 2 nanoparticles on mesoporous graphene foams (MoS 2 /MGF). Taking advantage of its high specific surface area and its interconnected conductive graphene skeleton, MGF provides a favorable microenvironment for the growth of highly dispersed MoS 2 nanoparticles while allowing rapid charge transfer kinetics. The MoS 2 /MGF nanocomposites exhibit an excellent electrocatalytic activity for the hydrogen evolution reaction with a low overpotential and substantial apparent current densities. Such enhanced catalytic activity stems from the abundance of catalytic edge sites, the increase of electrochemically accessible surface area and the unique synergic effects between the MGF support and active catalyst. The electrode reactions are characterized by electrochemical impedance spectroscopy. A Tafel slope of ≈42 mV per decade is measured for a MoS 2 /MGF modified electrode, suggesting the Volmer‐Heyrovsky mechanism of hydrogen evolution.

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Crossref · 10.1002/adfm.201300318

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Authors
Liao, L., Zhu, J., Bian, X., Zhu, L., Scanlon, M. D., Girault, H. H., & Liu, B.
Affiliations
  • Fudan University (CN)
  • École Polytechnique Fédérale de Lausanne (CH)
Corresponding author
Liu, Baohong
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2013-05-22
Volume
23
Issue
42
Pages
5326-5333
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2092291733
Cited by
705
References
4
Citations by year
2026: 9 · 2025: 14 · 2024: 18 · 2023: 28 · 2022: 34 · 2021: 33 · 2020: 60 · 2019: 83 · 2018: 83 · 2017: 110 · 2016: 96 · 2015: 91 · 2014: 40 · 2013: 6
FWCI
28.25
Type
journal article
Language
en
Open access
Locations
  • Advanced Functional Materials (publishedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
  • Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
Keywords
MoS2 nanoparticles, hydrogen evolution reaction, electrocatalysis, in situ nanoparticle synthesis, graphene composites, edge sites, charge transfer kinetics, Volmer-Heyrovsky mechanism, Tafel slope, synergistic effect

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