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Rational strain engineering of single-atom ruthenium on nanoporous MoS<sub>2</sub> for highly efficient hydrogen evolution

Chemistry

Rational strain engineering of single-atom ruthenium on nanoporous MoS<sub>2</sub> for highly efficient hydrogen evolution

K. Jiang, M. Luo, et al.

This groundbreaking research explores the enhancement of alkaline hydrogen evolution reaction (HER) through strain-tunable sulfur vacancies around single-atom Ru sites on nanoporous MoS2. The innovative approach amplifies the synergistic effects, achieving impressive catalytic performance. Conducted by Kang Jiang, Min Luo, Zhixiao Liu, Ming Peng, Dechao Chen, Ying-Rui Lu, Ting-Shan Chan, Frank M. F. de Groot, and Yongwen Tan.

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Playback language: English
Abstract
This paper explores strain-tunable sulfur vacancies around single-atom Ru sites on nanoporous MoS<sub>2</sub> to enhance alkaline hydrogen evolution reaction (HER). Altering the strain amplifies the synergistic effect between sulfur vacancies and Ru sites, increasing reactant density and accelerating HER. The resulting catalyst shows an overpotential of 30 mV at 10 mA cm⁻², a Tafel slope of 31 mV dec⁻¹, and long-term stability.
Publisher
Nature Communications
Published On
Mar 16, 2021
Authors
Kang Jiang, Min Luo, Zhixiao Liu, Ming Peng, Dechao Chen, Ying-Rui Lu, Ting-Shan Chan, Frank M. F. de Groot, Yongwen Tan
Tags
hydrogen evolution reaction
sulfur vacancies
single-atom catalysts
nanoporous MoS2
strain tunability

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