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Research Article | Open Access

MoS2 nanoparticles grown on carbon nanomaterials for lubricating oil additives

Kuiliang GONG1,2, Wenjing LOU1,3, Gaiqing ZHAO1,3, Xinhu WU1,3( ), Xiaobo WANG1,3( )
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
University of Chinese Academy of Sciences, Beijing 100049, China
Qingdao Center of Resource Chemistry & New Materials, Qingdao 266000, China
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Abstract

In this study, the nanocomposites of MoS2 nanoparticles (NPs) grown on carbon nanotubes (MoS2@CNT), graphene (MoS2@Gr), and fullerene C60 (MoS2@C60) were synthesized, characterized, and evaluated for potential use as lubricant additives. By using the benefit of the synergistic effect between MoS2 and carbon nanomaterials (CNMs), these nanocomposites can be well dispersed in polyalkylene glycol (PAG) base oil and show superior stability compared with pure MoS2 NPs. Moreover, the dispersions of MoS2@CNT, MoS2@Gr, and MoS2@C60 added in PAG have noticeably improved friction reducing and antiwear (AW) behaviors at elevated temperature for comparison with that of PAG and PAG containing CNT, Gr, C60, and MoS2 NPs, respectively. The enhanced lubricating properties of these nanocomposites were also elucidated by exploring the tribofilm formed on the disc.

Keywords

MoS2 nanoparticlecarbon nanomaterialnanocompositeantifriction and antiwear additive

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Friction
Volume 9 Issue 4,
August 2021
Pages 747-757
DOI: 10.1007/s40544-020-0369-0

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Cite this article:
GONG K, LOU W, ZHAO G, et al. MoS2 nanoparticles grown on carbon nanomaterials for lubricating oil additives. Friction, 2021, 9(4): 747-757. https://doi.org/10.1007/s40544-020-0369-0

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Received: 05 September 2019
Revised: 25 December 2019
Accepted: 08 February 2020
Published: 29 July 2020
© The author(s) 2020

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