Researchers have exploited the opto-thermoelectric effect to develop a new type of all-optical microswimmers with active navigation functionality. These microswimmers consist of individual Janus particles - polystyrene beads half coated with gold nanoparticles - that can be directionally delivered over 22 times of their own diameters in 39 seconds. The opto-thermoelectric field triggers two working states - swimming and rotating - under different laser inputs. Combined with a feedback control algorithm to coordinate swimming and rotating states of the swimmers based on real-time imaging, precise all-optical navigation and target delivery becomes possible.
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Researchers researcher demonstrate that a gentle wind-driven triboelectric nanogenerator can efficiently harvest energy from ultralowspeed wind/airflow of 0.7?6 m meters per second.
Scientists have developed a nanopore technique which, in laboratory tests, has shown potential to offer a powerful, quick-and-easy tool for mutation detection.
Two new studies determine how to harness the might of phosphorene while mitigating its two main deterrents - cost and durability.
Researchers use diamondization of mechanically exfoliated few-layer graphene via compression, to synthesize the long-sought-after diamane film.
Scientists have discovered a hitherto-unknown physical phenomenon in an artificial material made up of very thin layers of nickelates. This could be exploited to accurately control some of the material?s electronic properties, such as the sudden transition from a conductive to an insulating state.