High-Temperature Superlubricity in MoS<sub>2</sub>/Graphene van der Waals Heterostructures

Long, Yuyang; Wang, Xiao; Tan, Wang; Li, Baowen; Li, Jidong; Deng, Wei; Li, Xuemei; Guo, Wanlin; Yin, Jun

doi:10.1021/acs.nanolett.4c00542

Nano Lett.

2024

DOI: 10.1021/acs.nanolett.4c00542

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High-Temperature Superlubricity in MoS₂/Graphene van der Waals Heterostructures

Yuyang Long,

Xiao Wang,

Wang Tan

et al.

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Cited by 2 publications

References 32 publications

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Persistence of Structural Lubricity on Contaminated Graphite: Rejuvenation, Aging, and Friction Switches

Oo,

Gao,

Müser

et al. 2024

Nano Lett.

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Using atomic force microscopy experiments and molecular dynamics simulations of gold nanoislands on graphite, we investigate why ultralow friction commonly associated with structural lubricity can be observed even under ambient conditions. Measurements conducted within a few days after sample synthesis reveal previously undiscovered phenomena in structurally lubric systems: rejuvenation, a drop in kinetic friction of an order of magnitude shortly after the onset of sliding; aging, a significant increase in kinetic friction forces after a rest period of 30 min or more; and switches, spontaneous jumps between distinct friction branches. These three effects are drastically suppressed a few weeks later. Imaging of a contamination layer and simulations provide a consistent picture of how single-and double-layer contamination underneath the gold nanoislands as well as contamination surrounding the nanoislands affect structural lubricity without leading to its breakdown.

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Persistence of Structural Lubricity on Contaminated Graphite: Rejuvenation, Aging, and Friction Switches

Oo,

Gao,

Müser

et al. 2024

Nano Lett.

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Mechanical and electromechanical properties of 2D materials studied via in situ microscopy techniques

Wang,

Wu,

Wei

et al. 2025

Nanoscale

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High-Temperature Superlubricity in MoS₂/Graphene van der Waals Heterostructures

Cited by 2 publications

References 32 publications

Persistence of Structural Lubricity on Contaminated Graphite: Rejuvenation, Aging, and Friction Switches

Persistence of Structural Lubricity on Contaminated Graphite: Rejuvenation, Aging, and Friction Switches

Mechanical and electromechanical properties of 2D materials studied via in situ microscopy techniques

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High-Temperature Superlubricity in MoS2/Graphene van der Waals Heterostructures

Cited by 2 publications

References 32 publications

Persistence of Structural Lubricity on Contaminated Graphite: Rejuvenation, Aging, and Friction Switches

Persistence of Structural Lubricity on Contaminated Graphite: Rejuvenation, Aging, and Friction Switches

Mechanical and electromechanical properties of 2D materials studied via in situ microscopy techniques

Contact Info

Product

Resources

About

High-Temperature Superlubricity in MoS₂/Graphene van der Waals Heterostructures