DataVXACS Applied Nano MaterialsPaper
journal article·2022-01-28

Two-Dimensional Confined Synthesis of Metastable 1T-Phase MoS2 Nanosheets for the Hydrogen Evolution Reaction

Shize Geng, Yujin Ji, Binbin Jiang, Wenxiang Zhu, Kui Yin, Mingwang Shao, Fan Liao, Huixian Shi, Yafei Cheng, Youyong Li, Qi Shao

ACS Applied Nano Materials· Volume 5· Issue 1
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Source abstract

Abstract

Metallic molybdenum sulfide (1T-MoS2) is considered as the most promising electrocatalyst for the acidic hydrogen evolution reaction (HER). Nevertheless, exploring a facile and effective approach for achieving high-purity 1T-MoS2 is still full of challenges. Herein, we demonstrate a two-dimensional material-assisted confined synthetic strategy, as an available method to construct and stabilize 1T-MoS2. During the hydrothermal process, the interaction between the N source and MoS2 is largely enhanced in a two-dimensional confined reactor, formed by reduced graphene oxides, successfully obtaining a high concentration of 90.1% of 1T-MoS2, named N-MoS2/rGO. The optimal N-MoS2/rGO nanosheets require a low overpotential (130 mV) to reach a current density of 10 mA·cm–2 and a low Tafel slope of 46.5 mV·dec–1. Additionally, they also exhibit high stability for at least 12 h in an acidic electrolyte maintaining 84.2% of the 1T-MoS2 phase. This work opens up an avenue to construct two-dimensional metastable materials for advanced catalysis.
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Research context

Energy storageNanomaterialsCatalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Advanced Photocatalysis Techniques · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, P. R. China

Anhui Provincial Key Laboratory of Functional Coordination Compounds and Nanomaterials, School of Chemistry and Chemical Engineering, Anqing Normal University, Anqing 246001, P. R. China

School of Materials Engineering, Changshu Institute of Technology, Changshu 215500, P. R. China

College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Jiangsu 215123, P. R. China

Funding

Collaborative Innovation Center of Suzhou Nano Science and Technology · China Postdoctoral Science Foundation · Natural Science Foundation of Jiangsu Province · Anhui Provincial Department of Education · National Natural Science Foundation of China · Natural Science Foundation of Anhui Province · Ministry of Science and Technology of China · Guangdong Provincial Key Laboratory of Energy Materials for Electric Power

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