Zr-MOFs (UIO-66-NH2)@氟化石墨烯用于开发高抗磨减摩润滑添加剂

IF 3.9 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Langmuir Pub Date : 2024-12-10 DOI:10.1021/acs.langmuir.4c04002

Ding Wang, Xiaohua Jia, Zhiqiang Shan, Li Gao, Jin Yang, Zhaofeng Wang, Haojie Song

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引用次数: 0

摘要

在众多二维材料中，氟化石墨烯在改善抗磨性能方面具有巨大的潜力。然而，它们易受热氧化和易磨损，阻碍了实际应用。本文通过共价键和范德华力将具有良好化学稳定性和热稳定性的uuo -66- nh2 （Zr-MOF）组装在FG纳米片表面。成功合成了Zr-MOF@FG复合材料，并将其用作润滑剂添加剂。可见Zr-MOF@FG复合材料在摩擦界面处具有协同润滑机制。此外，由于Zr-MOF的吸附和净化性能，所获得的Zr-MOF@FG复合材料在摩擦过程中吸附了磨料锈蚀，从而实现了润滑剂的净化。这些发现表明Zr-MOF@FG作为润滑剂添加剂具有巨大的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Zr-MOFs (UIO-66-NH2)@Fluorinated Graphene for Developing Highly Antiwear, Friction-Reduction Lubricating Additives

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Zr-MOFs (UIO-66-NH2)@Fluorinated Graphene for Developing Highly Antiwear, Friction-Reduction Lubricating Additives

Fluorinated graphene (FG) among numerous two-dimensional materials has enormous potential in improving antifriction properties. However, they being susceptible to thermal oxidation and prone to wear hinder practical applications. Herein, UIO-66-NH₂ (Zr-MOF) enjoying good chemical and thermal stabilities was assembled on the surface of FG nanosheets under covalent bonds and van der Waals forces. The Zr-MOF@FG composite was successfully synthesized and used as a lubricant additive. It can be seen that Zr-MOF@FG composites offer a synergistic lubricant mechanism at the friction interface. Moreover, due to the adsorption and purification performance of Zr-MOF, the obtained Zr-MOF@FG composite adsorbs the abrasive rust during the friction process, thereby realizing the purification of the lubricant. These findings suggest that Zr-MOF@FG shows tremendous potential as a lubricant additive.

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来源期刊

Langmuir 化学-材料科学：综合

CiteScore

6.50

自引率

10.30%

发文量

1464

审稿时长

2.1 months

期刊介绍： Langmuir is an interdisciplinary journal publishing articles in the following subject categories: Colloids: surfactants and self-assembly, dispersions, emulsions, foams Interfaces: adsorption, reactions, films, forces Biological Interfaces: biocolloids, biomolecular and biomimetic materials Materials: nano- and mesostructured materials, polymers, gels, liquid crystals Electrochemistry: interfacial charge transfer, charge transport, electrocatalysis, electrokinetic phenomena, bioelectrochemistry Devices and Applications: sensors, fluidics, patterning, catalysis, photonic crystals However, when high-impact, original work is submitted that does not fit within the above categories, decisions to accept or decline such papers will be based on one criteria: What Would Irving Do? Langmuir ranks #2 in citations out of 136 journals in the category of Physical Chemistry with 113,157 total citations. The journal received an Impact Factor of 4.384*. This journal is also indexed in the categories of Materials Science (ranked #1) and Multidisciplinary Chemistry (ranked #5).