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Tribological Properties of Green ILs Containing MoS2 Quantum Dots with One-Step Preparation

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Abstract

The MoS2 quantum dots less than 10 nm were in situ prepared in green ILs for the first time. The MoS2 quantum dots can be easily obtained by simple one-step synthesis within the preparation of ILs themselves. The physico-chemical and tribological properties of the acquired the MoS2 QDs in ILs were systematically studied. Compared with pure ILs, the MoS2 QDs in ILs exhibiting long-term dispersion stabilities have superior lubricating properties under harsh conditions. Thin films formed according to the XPS results were attributed to be the main account for the preferable tribological properties of the MoS2 QDs in ILs than pure ILs.

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Acknowledgements

The authors are grateful for financial support of this work by National Key Research and Development Program of China (2018YFB0703802) and National Natural Science Foundation of China (NSFC 51875553).

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Authors and Affiliations

  1. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China

    Chao Ju, Dongdong Zheng, Qin Zhao & Xiaobo Wang

  2. University of Chinese Academy of Sciences, Beijing, 100039, China

    Chao Ju & Dongdong Zheng

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  1. Chao Ju
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  2. Dongdong Zheng
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  4. Xiaobo Wang
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Correspondence to Qin Zhao or Xiaobo Wang.

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Ju, C., Zheng, D., Zhao, Q. et al. Tribological Properties of Green ILs Containing MoS2 Quantum Dots with One-Step Preparation. Tribol Lett 68, 79 (2020). https://doi.org/10.1007/s11249-020-01314-9

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