Journal
RSC ADVANCES
Volume 9, Issue 30, Pages 17016-17024Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ra02102g
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Funding
- Jiangsu Industrial-Academic-Research Prospective Joint Project [BY2016069-02]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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The exfoliation of bulk MoS2 into few layers has attracted considerable attention as 2D nanomaterials in the past decade. We developed a facile approach for producing MoS2 nanosheets by hydrothermal-assisted shearing exfoliation based on organic-free strategy. This original exfoliation was highly efficient for large-scale production and sustainable for the environment. The thickness of the as-exfoliated MoS2 nanosheets was about 4-6 layers, and the lateral size became smaller from hydrothermal processing to shearing. The hydrothermal processing with the participation of ammonium carbonate played an important role in hydrothermal-assisted shearing exfoliation. As a prospective application, the antifriction performance of the as-exfoliated MoS2 nanosheets in oil was evaluated using a ball-on-ball mode. Evidently, the average friction coefficient and wear scar diameter of 0.08 wt% MoS2-based oil dropped to about 20.66% and 47.27% relative to those of the base oil, which exhibited an excellent antifriction and antiwear ability.
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