Abstract
Engineering scale superlubricity was realized by the fingerprint-like carbon films, which offer exciting application opportunity in vehicles, turbines, and manufacturing equipment.
Highlights
Both one-third of the world's primary energy consumption and four- h of the mechanical components failures are contributed to friction.[1,2] friction reduction is important for the environment and sustainable development.[3]
Fingerprint-like carbon (FP-C:H) with a thickness of about 700 nm were deposited on the silicon substrates
We proposed that the formation mechanism of graphene nanoparticles (GNPs) is the self-organization of graphene sheets, which can be divided into two steps, nucleation and growth
Summary
Both one-third of the world's primary energy consumption and four- h of the mechanical components failures are contributed to friction.[1,2] friction reduction is important for the environment and sustainable development.[3]. Solid superlubricity mainly relies on the formation of incommensurate contact, which can be achieved by a variety of carbon nanostructures, such as graphite,[7,8,9] graphene,[12] nanodiamonds,[16] and nanotubes.[18,19] To date, it has been reported that thin lms with novel nanostructure could be prepared with macro superlubricity properties through plasma vacuum deposition technology.[20,21,22] extreme conditions or high energy preparation methods are necessary to synthesize these nanostructures; for example, graphene,[23,24] nanotube,[25,26] nanodiamonds,[27] and fullerene[28] can only be fabricated at high temperature, with high energy ions states, or with catalysts, and nanocrystallitesembedded amorphous carbon require methods such as modi ed arc techniques.[29,30,31,32,33] the growth energy greatly impacts the formation of the nanostructured carbon. The simple method combined with the unique superlubricity properties offers an exciting opportunity to realize the long-sought applications in vehicles, turbines, and manufacturing equipment
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