Enhancing tribological properties of MoSe2/SnSe2/SnSe@C through 2D nanosheets modification of 3D structures

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Chalcogenide Letters Pub Date : 2023-10-01 DOI:10.15251/cl.2023.209.685

C. T. Zhu, F. Chen, W. Yan, Y. C. Wei, J. Xu, Y. P. Chen

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Abstract

This paper has prepared a new type of MoSe2/SnSe2/SnSe@C heterostructure nanocomposites by one-step hydrothermal method and systematically studied by XRD, SEM, and XPS. Furthermore, the tribological behavior of MoSe2/SnSe2/SnSe and MoSe2/SnSe2/SnSe@C heterojunction in pure oil was extensively examined in a ball-on-disk tribometer. The effects of applied load and rotational speed were also investigated. Compared with MoSe2/SnSe2/SnSe nanocomposites, MoSe2/SnSe2/SnSe@C achieved better friction properties. Especially, when the mass ratio of MoSe2/SnSe2/SnSe@C in the base oil is 1.5 wt%, the friction coefficient reaches the minimum value of 0.1. The results show that the introduction of carbon material can significantly improve the wear reduction and anti-wear properties of the matrix in lubricating oil. Additionally, the construction and excellent tribological properties of MoSe2/SnSe2/SnSe@C heterojunction would be beneficial for the design of novel nano-additives with 2D/3D structure for enhancing friction reduction and anti-wear, which also would expand their actual applications in the industry and agriculture.

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通过二维纳米片修饰三维结构增强MoSe2/SnSe2/SnSe@C的摩擦学性能

本文采用一步水热法制备了新型MoSe2/SnSe2/SnSe@C异质结构纳米复合材料，并用XRD、SEM和XPS对其进行了系统研究。此外，在球盘式摩擦计上广泛研究了MoSe2/SnSe2/SnSe和MoSe2/SnSe2/SnSe@C异质结在纯油中的摩擦学行为。研究了外加载荷和转速的影响。与MoSe2/SnSe2/SnSe纳米复合材料相比，MoSe2/SnSe2/SnSe@C具有更好的摩擦性能。特别是当基础油中MoSe2/SnSe2/SnSe@C的质量比为1.5 wt%时，摩擦系数达到最小值0.1。结果表明，碳材料的引入能显著提高润滑油中基体的减磨和抗磨性能。此外，MoSe2/SnSe2/SnSe@C异质结的结构和优异的摩擦学性能将有利于设计具有2D/3D结构的新型纳米添加剂，以增强减摩和抗磨，并扩大其在工业和农业中的实际应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Chalcogenide Letters MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED

CiteScore

1.80

自引率

20.00%

发文量

审稿时长

1 months

期刊介绍： Chalcogenide Letters (CHL) has the aim to publish rapidly papers in chalcogenide field of research and appears with twelve issues per year. The journal is open to letters, short communications and breakings news inserted as Short Notes, in the field of chalcogenide materials either amorphous or crystalline. Short papers in structure, properties and applications, as well as those covering special properties in nano-structured chalcogenides are admitted.