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Scientists have demonstrated how to view many-particle interactions in graphene using infrared light. Electrons in graphene—an atomically thin, flexible, and incredibly strong substance that has captured the imaginations of materials scientists and physicists—move at the speed of light, and behave as if they have no mass.
Scientists from the Shanghai Institute of Ceramics in China have developed a ‘smart’ wallpaper based on highly flexible fire-resistant inorganic paper embedded with ultralong hydroxyapatite nanowires that serve as the substrate and graphene oxide as the thermosensitive sensor.
Graphene has been heralded as a “wonder material” for well over a decade now, and 5G has been marketed as the next big thing for at least the past five years. Analysts have suggested that 5G could be the golden ticket to virtual reality and artificial intelligence, and promised that graphene could improve technologies within […]
Two novel 2D materials, graphene and hexagonal boron nitride, and the tip of a scanning tunneling microscope – these were the ingredients used to create a novel kind of a so-called “quantum dot”. These extremely small nanostructures allow delicate control of individual electrons by fine-tuning their energy levels directly. Such devices can be key for […]
Graphene holds promise in a wide range of industries, including the energy, medical, aviation, and electronic sectors, due to its unique electrical, mechanical, and optical properties. Understanding the processes that drive separation of graphite into single graphene sheets is crucial for large-scale application.
The article reports on the fabrication of a NO2 gas sensor from room-temperature reduction of graphene oxide(GO) via two-beam-laser interference (TBLI). The method of TBLI gives the distribution of periodic dissociation energies for oxygen functional groups, which are capable to reduce the graphene oxide to hierarchical graphene nanostructures, which holds great promise for gaseous molecular […]
Clean technology such as solar has an obvious problem. As long as the sun shines we can have power, but what happens at night? The answer is some kind of energy storage during the day that can release power whenever we need it. It looks like graphene may be solving this problem too…
Two novel materials, each composed of a single atomic layer and the tip of a scanning tunneling microscope, are the ingredients for a novel kind of quantum dot. These extremely small nanostructures allow delicate control of individual electrons by fine-tuning their energy levels directly. Such devices are key for modern quantum technologies.
Researchers at Zhejiang University in China have designed a new type of aerogels, made of graphene and carbon nanotubes, that can be reversibly stretched to more than three times their original length, displaying elasticity similar to that of a rubber band. This stretchability, in addition to aerogels’ existing properties like ultralow density, light weight, high […]
Lithium-metal batteries — which can hold up to 10 times more charge than the lithium-ion batteries that currently power our phones, laptops and cars — haven’t been commercialized because of a fatal flaw: as these batteries charge and discharge, lithium is deposited unevenly on the electrodes. This buildup cuts the lives of these batteries too […]