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To maximize composite reinforcing efficiency, a semi-infinite reinforcement should be aligned in the matrix. Here, the authors report a float-stacking strategy for graphene-PMMA laminate with precisely aligned monolayer graphene in a polymer matrix.
Ce Zhang and colleagues report a novel system based on a software-defined radio to measure and control the vibrations of an exotic nanomechanical graphene resonator. This system will be helpful for the nanomechanical measurements with small signals and modulations.
Here, the authors report a study of the structural properties of intercalated alkali metals in bilayer graphene and graphite via low-voltage scanning transmission electron microscopy, providing mechanistic insights for the development of energy storage applications.
Aligned 2D assembled fibres have been developed by drawing like 1D polymers, yet with disorders in cross-section. Here, the authors bidirectionally promote assembly order of graphene fibres, achieving high modulus and highly thermal conductivity.
A strong and tough human muscle-like actuator fibre is developed by exploiting 2D graphene fillers within a liquid crystalline elastomer matrix. Reversible percolation of the graphene filler network endows the artificial muscle with a work capacity and power density beyond those of human or mammalian muscles.
An article in Communications Engineering reports the upcycling of waste plastics from vehicles into graphene that can be then used as an additive in foams for cars.
Heterogeneous microscale contacts between molybdenum disulfide and graphene or hexagonal boron nitride layers demonstrate ultralow friction independent of their relative orientation with residual drag that originates from edge effects.
Bending of few-layer graphene leads to interlayer slip, and slipping lowers the bending stiffness. Beyond a critical bending angle, the graphene layers bend like a stack of paper, with a state of superlubricity for interlayer slip.