Citation: Zhi-Lin Cheng, Lu Ma, Zan Liu. Hydrothermal-assisted grinding route for WS₂ quantum dots (QDs) from nanosheets with preferable tribological performance[J]. Chinese Chemical Letters, ;2021, 32(1): 583-586. doi: 10.1016/j.cclet.2020.02.002 shu

Hydrothermal-assisted grinding route for WS₂ quantum dots (QDs) from nanosheets with preferable tribological performance

School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China

zlcheng224@126.com

Received Date: 2 January 2020
Revised Date: 21 January 2020
Accepted Date: 5 February 2020
Available Online: 5 February 2020

Figures(4)

The 2D nanomaterials have achieved the superlubrication property whatever in solid or liquid lubrication in recent years. However, whether or not the nanosheets can stably disperse in oils and smoothly enter into the asperity of friction pairs is crucial for exerting the function of antifriction. The structure of 2D QDs is desirable for addressing these issues due to its smaller 3D size. In this study, we developed a facile preparation process for WS₂ QDs with uniform 2 nm size from nanosheets via hydrothermal-assisted grinding approach. The structure of the as-obtained WS₂ QDs was determined by a series of characterizations. The results showed that the as-obtained WS₂ QDs exhibited the typical spectrum features of nanosized quantum dot. The results of the tribological performance in grease verified that the average friction coefficient (ACOFs) and wear volume (AWVs) were decreased by 7.89% and 63.90% relative to grease, respectively, exhibiting a preferable friction reducing and wear resistance.
- Nanosheets,
- WS₂,
- Quantum dots,
- Tribological performance,
- Grease
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沈阳化工大学材料科学与工程学院沈阳 110142

Hydrothermal-assisted grinding route for WS2 quantum dots (QDs) from nanosheets with preferable tribological performance

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通讯作者: 陈斌, bchen63@163.com

Hydrothermal-assisted grinding route for WS₂ quantum dots (QDs) from nanosheets with preferable tribological performance