Cited by 174Electrocatalysts for Energy ConversionCO2 Reduction Techniques and CatalystsCatalysis and Hydrodesulfurization Studies

Design of Dual-Modified MoS2 with Nanoporous Ni and Graphene as Efficient Catalysts for the Hydrogen Evolution Reaction

Chen, Li Xin, Chen, Zhi Wen, Wang, Yu, Yang, Chun Cheng, Jiang, Qing·2018·ACS Catalysis

Abstract

Molybdenum disulfide (MoS 2 ), a two-dimensional layered material, has attracted ever-growing interest as one of the most promising non-noble-metal electrocatalysts for the hydrogen evolution reaction (HER). However, its catalytic efficiency is far from that of the best-performing Pt-based catalysts due to insufficient active sites and poor conductivity. Herein, density functional theory (DFT) simulations indicate that the catalytic activity of MoS 2 could be improved through synergistic effects between the graphene substrate and Ni atom adsorption. Following this result, we designed and synthesized dual-modified MoS 2 nanosheets with nanoporous Ni and reduced graphite oxide, which show a low onset potential (85 mV), a small Tafel slope (71.3 mV dec –1 ), and a high cycling stability as HER catalysts. Both the DFT and experimental results demonstrate that the above superior performances are derived from a large number of edge active sites and fast electron transport. This study provides a comprehensive understanding of the HER activity of MoS 2 and also a new strategy to design high-performance HER catalysts aided by DFT simulations.

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Crossref · 10.1021/acscatal.8b01164

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Authors
Chen, L. X., Chen, Z. W., Wang, Y., Yang, C. C., & Jiang, Q.
Affiliations
  • Jilin University (CN)
  • Key Laboratory of Automobile Materials (Jilin University), Ministry of Education, and School of Materials Science and Engineering, Jilin University, Changchun 130022, People’s Republic of China
Corresponding author
  • Yang, Chun Cheng
  • Jiang, Qing
Venue
ACS Catalysis
Published
2018-07-24
Volume
8
Issue
9
Pages
8107-8114
ISSN
2155-5435 (ISSN-L)
OpenAlex
W2883369579
Cited by
174
References
7
Citations by year
2026: 2 · 2025: 15 · 2024: 24 · 2023: 14 · 2022: 27 · 2021: 31 · 2020: 26 · 2019: 34 · 2018: 1
FWCI
5.30
Type
journal article
Language
en
Open access
closed
Locations
ACS Catalysis (publishedVersion)
Funders
  • Natural Science Foundation of Jilin Province (20160101315JC)
  • Ministry of Education of the People's Republic of China
  • People's Government of Jilin Province
  • Jilin University (2017TD-09)
  • National Natural Science Foundation of China (51671092, 51631004)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
  • Physical Sciences › Engineering › Mechanical Engineering › Catalysis and Hydrodesulfurization Studies
Keywords
MoS2, hydrogen evolution reaction, electrocatalysts, nanoporous nickel, graphene, reduced graphite oxide, synergistic effect, edge active sites, electron transport, non-noble metal catalysts, MoS2 nanosheets

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