▎ 摘　　要

NOVELTY - Composition comprises many discrete nanostructures, each nanostructure comprising a functionalized graphene layer and a core species bound to the functionalized graphene layer, where the composition has a coefficient of friction of less than or equal to 0.02, the discrete nanostructures have a non-planar configuration, and the core species reversibly covalently binds a first portion of the functionalized graphene layer to a second portion of the functionalized graphene layer. USE - The composition is useful as a tribo-layer (claimed) for reducing friction between two surfaces and as a lubricant. ADVANTAGE - The composition: exhibits coefficient of friction of less than or equal to 0.015, superlubricity and a fluid-like property; is configured, upon application of a mechanical force to the composition, to maintain a coefficient of friction of less than or equal to 0.02 (claimed); exhibits quasi-hydrodynamic behavior; and reduces friction and wear in a macroscopic device e.g. a bearing, shaft, piston, gear, motor or other mechanical device.