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Convenient synthesis of inorganic fullerene-like WS2 self-lubricating films and their tribological behaviors

Published online by Cambridge University Press:  07 April 2020

Shikai Liu Open the ORCID record for Shikai Liu [Opens in a new window] ,
Kunlun Jia ,
Yingxin Chen ,
Sankui Xu  and
Feng Li
Shikai Liu*
Affiliation:
School of Materials Science and Engineering, Henan University of Technology, Zhengzhou450001, Henan, P. R. China
Kunlun Jia
Affiliation:
School of Materials Science and Engineering, Henan University of Technology, Zhengzhou450001, Henan, P. R. China
Yingxin Chen
Affiliation:
School of Materials Science and Engineering, Henan University of Technology, Zhengzhou450001, Henan, P. R. China
Sankui Xu*
Affiliation:
School of Materials Science and Engineering, Henan University of Technology, Zhengzhou450001, Henan, P. R. China
Feng Li
Affiliation:
Key Laboratory of Surface and Interface Science and Technology, Zhengzhou University of Light Industry, Zhengzhou450002, Henan, P. R. China American Advanced Nanotechnology, Houston, TX77459, USA
*
Address all correspondence to Shikai Liu at shikai_liu@haut.edu.cn and Sankui Xu at sankui_xu@haut.edu.cn
Address all correspondence to Shikai Liu at shikai_liu@haut.edu.cn and Sankui Xu at sankui_xu@haut.edu.cn
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Abstract

In the present work, an efficient route has been further explored to achieve the batch synthesis of inorganic fullerene (IF)-WS2 nanoparticles, and the self-lubricating film is conveniently prepared by coating these nanoparticles on the surface of metal substrates. The as-synthesized IF-WS2 nanoparticles have a closed hollow structure with an average particle size of about 50 nm and are evenly distributed in the self-lubricating film. Further friction tests show that the film has excellent friction properties, with its lowest friction coefficient of approximately 0.008, which can be mainly attributed to the unique hollow cage structure and a smaller particle size of the IF-WS2 nanoparticles.

Type
Research Letters
Information
MRS Communications , Volume 10 , Issue 2 , June 2020 , pp. 317 - 323
Copyright
Copyright © Materials Research Society 2020

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