Cited by 355Electrocatalysts for Energy ConversionMXene and MAX Phase MaterialsMachine Learning in Materials Science

Searching for Highly Active Catalysts for Hydrogen Evolution Reaction Based on O-Terminated MXenes through a Simple Descriptor

Ling, Chongyi, Shi, Li, Ouyang, Yixin, Wang, Jinlan·2016·Chemistry of Materials

Abstract

An efficient, earth-abundant, and low-cost catalyst for hydrogen evolution reaction (HER) is critical for sustainable hydrogen generation. In this work, we present a density-functional-theory-based screening among two-dimensional (2D) transition metal carbides (MXenes) with a fully O-terminated surface. The catalytic activity of 10 monometal carbides is first investigated, and Ti 2 CO 2 and W 2 CO 2 are found to be highly active catalysts for HER. Then, a volcano plot between the number of electron surface O atoms gains ( N e ) and the absolute value of the free energy of hydrogen adsorption (Δ G H ) is established. A simple descriptor, N e, is thus proposed to evaluate the HER performance of O-terminated MXenes. On this basis, TiVCO 2 is extracted with improved HER performance than Ti 2 CO 2 and W 2 CO 2 among 7 bimetal carbides. Our study provides new possibilities for cost-effective alternatives to Pt for HER, and, more importantly, develops a simple activity descriptor to efficiently search for highly active HER catalysts.

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Crossref · 10.1021/acs.chemmater.6b03972

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Authors
Ling, C., Shi, L., Ouyang, Y., & Wang, J.
Affiliations
Southeast University (CN)
Corresponding author
Wang, Jinlan
Venue
Chemistry of Materials
Published
2016-12-08
Volume
28
Issue
24
Pages
9026-9032
ISSN
  • 0897-4756 (ISSN-L)
  • 1520-5002
OpenAlex
W2557643489
Cited by
355
References
8
Citations by year
2026: 28 · 2025: 39 · 2024: 44 · 2023: 37 · 2022: 50 · 2021: 41 · 2020: 41 · 2019: 31 · 2018: 30 · 2017: 14
FWCI
6.79
Type
journal article
Language
en
Open access
closed
Locations
Chemistry of Materials (publishedVersion)
Funders
  • Ministry of Education of the People's Republic of China (20130092110029)
  • Natural Science Foundation of Jiangsu Province (BK20130016)
  • National Natural Science Foundation of China (11404056, 21373045, 21525311)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Materials Science › Materials Chemistry › MXene and MAX Phase Materials
  • Physical Sciences › Materials Science › Materials Chemistry › Machine Learning in Materials Science
Keywords
hydrogen evolution reaction, MXene, O-terminated surface, transition metal carbides, catalyst screening, volcano plot, hydrogen adsorption free energy, Ti2CO2, platinum-free catalysts, two-dimensional materials

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