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Updated: Jan 20, 2026
Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol
Published on: December 20, 2016
Ultrasound-Assisted Alkaline Solution Reflux for As-Exfoliated MoS2 Nanosheets
Pei-Rong Wu1, Zan Liu1, Zhi-Lin Cheng1
1School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China.
Abstract:
A facile approach was developed to produce MoS2 nanosheets by ultrasound-assisted reflux exfoliation, which was highly efficient for large-scale production and sustainable for environment. The interlayer force of bulk MoS2 was first exhausted in employing LiOH/NaOH solution by reflux and thereafter quickly exfoliated by ultrasound. The lateral size of the as-prepared MoS2 nanosheets with about 2-9 layers became smaller. Definitely, the average friction coefficient and wear scar diameter of 0.08 wt % MoS2-based oil decreased by about 21.87 and 38.09% relative to the base oil, which displayed better antifriction and antiwear performances.
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