Photothermal COFs with donor–acceptor structure for friction reduction and antiwear

Gong, Peiwei; Wang, Bairen; Li, Junyao; Cui, Huiying; Wang, Dandan; Liu, Jianxi; Liu, Weimin

doi:10.1039/d4cc00838c

Chem. Commun.

2024

DOI: 10.1039/d4cc00838c

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Photothermal COFs with donor–acceptor structure for friction reduction and antiwear

Peiwei Gong,

Bairen Wang,

Junyao Li

et al.

Abstract: Most of present works are centering on synthesizing covalent organic framework (COF) with different shapes and modifying surfaces to improve lubricating property in oils, while little attention is paid to...

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Cited by 2 publications

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Influence of bonding variance on electron affinity in graphene quantum dot-barium titanate nanocomposites for drug delivery system

Lin,

Chen,

Cho

et al. 2024

FlatChem

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Influence of bonding variance on electron affinity in graphene quantum dot-barium titanate nanocomposites for drug delivery system

Lin,

Chen,

Cho

et al. 2024

FlatChem

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Fabrication of Ag Nanoparticle-Embedded Covalent Organic Frameworks for Oil Gel with Long-Term Stability and High Lubrication Performance

Zhang,

Wang,

Wang

et al. 2024

Langmuir

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In previous reports, covalent organic frameworks (COFs) have demonstrated significant potential as lubricant additives. Herein, we embedded Ag nanoparticles in the DT-COF (polycondensation polymer of 2,5-dihydroxyterephthalaldehyde and 4,4′,4″-(1,3,5-triazine-2,4,6-triyl) trianiline) matrix via the ball milling method and utilized this composite (Ag@ DT-COF) as an additive for supermolecule oil gel. The low molecular weight gelator effectively mitigates the dispersion challenges of COFs in lubricant oil, while the embedded Ag nanoparticles enhance the repairing effect and antipressure performance of the lubricant. The resulting Ag@DT-COF gel exhibits a reduction in the average friction coefficient and wear volume of base oil by 46.0% and 87.5%, respectively, and increases the loadcarrying capacity to 750 N. The remarkable tribological properties are attributed to the easy adsorption of DT-COF, antiwear characteristic of Ag nanoparticles, and the gelator that ensures the long-term stability of oil gel.

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Photothermal COFs with donor–acceptor structure for friction reduction and antiwear

Abstract: Most of present works are centering on synthesizing covalent organic framework (COF) with different shapes and modifying surfaces to improve lubricating property in oils, while little attention is paid to...

Cited by 2 publications

References 45 publications

Influence of bonding variance on electron affinity in graphene quantum dot-barium titanate nanocomposites for drug delivery system

Influence of bonding variance on electron affinity in graphene quantum dot-barium titanate nanocomposites for drug delivery system

Fabrication of Ag Nanoparticle-Embedded Covalent Organic Frameworks for Oil Gel with Long-Term Stability and High Lubrication Performance

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