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Single-crystal black phosphorus nanoribbons have been grown through chemical vapour transport, using black phosphorus nanoparticles as seeds. The nanoribbons orient exclusively along the zigzag direction and have good semiconductor properties that render them suitable for use as channel material in field-effect transistors.
Strong bulk van der Waals materials are fabricated by the compressive moulding of two-dimensional nanosheets near room temperature through water-mediated densification, providing an energy-efficient way for synthesizing various van der Waals materials and a potential for tailoring compositions.
Limited datasets hinder the accurate prediction of DNA origami structures. A data-driven and physics-informed approach for model training is presented using a graph neural network to facilitate the rapid virtual prototyping of DNA-based nanostructures.
Suppressed Dexter transfer is needed to achieve efficient and stable hyperfluorescence, but complex matrices must be involved. A molecular design strategy has been proposed where Dexter transfer can be substantially reduced by an encapsulated terminal emitter, leading to ‘matrix-free’ hyperfluorescence.
Restricting the directional segregation of mobile ions via strategic local ion confinement allows remarkable thermoelectric performance with better stability.
Cu2Se is of interest for thermoelectrics as it is environmentally sustainable and has a high figure of merit ZT; however, copper ion migration impacts device stability. Here a co-doping strategy that combines steric and electrostatic effects is shown to improve device stability as well as improving ZT to 3.
An intelligent DNA nanodevice, composed of DNA origami nanosheets and a thrombin-responsive DNA fastener, accurately delivers the appropriate dose of tissue plasminogen activator following activation by distinct thrombosis events.
Implants made from patient-derived lyophilized lymph nodes loaded with chimeric antigen receptor T cells improve T cell delivery and inhibit tumour recurrence.
The atomic reconstruction and stacking arrangement in twisted trilayer graphene with a range of varying twist angles are elucidated by four-dimensional scanning transmission electron microscopy, revealing the hierarchical moiré of moiré superstructures that govern the structural symmetry at different length scales.
Cancer cells adjust the composition of their glycocalyx to increase its thickness and create a physical barrier that shields them from immune recognition and engagement.
Misalignment-induced moiré patterns and chirality in two-dimensional materials offer vast opportunities for manipulating their properties, but they face challenges in synthesis and structural control.
Oxygen redox cathodes deliver higher energy densities than those based on transition metal redox but commonly exhibit voltage fade on extended cycling. The loss of O-redox capacity and voltage fade is shown to arise from a reduction in O2−/O2 redox process reversibility and O2 loss.
A universal and non-destructive technique is developed to process diverse types of powder into micro- or nanofibres, providing flexibility for material design and applications based on functional particles.
Single-crystal black phosphorus nanoribbons are grown uniformly on insulating substrates by chemical vapour transport growth with black phosphorus nanoparticles as seeds, demonstrating potential for application in nanoelectronic devices and the exploration of the exotic physics in black phosphorus.
Solvation dynamics at picosecond timescales critically affect charge transport in aqueous systems, but conflicting values have been reported for organic electrolytes. Lifetimes on the order of 1 ns for mixtures of organic polymer and lithium salt exhibiting ultraslow dynamics of solvation shell break-up are now reported.
Fast charging is driving extensive research on enhanced electrodes for high-performance electrochemical capacitors and micro-supercapacitors. Thick ruthenium nitride pseudocapacitive films are shown to exhibit enhanced capacitance with a time constant of less than 6 s.