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Smaller is better for nanotube analysis


In a great example of "less is more," Rice University scientists have developed a powerful method to analyze carbon nanotubes in solution. The researchers' variance spectroscopy technique zooms in on small regions in dilute nanotube solutions to take quick spectral snapshots. By analyzing the ...


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Better trap for greenhouse gases


Emissions from the combustion of fossil fuels like coal, petroleum and natural gas tend to collect within Earth's atmosphere as "greenhouse gases" that are blamed for escalating global warming. So researchers around the globe are on a quest for materials capable of capturing and storing ...


Realizing carbon nanotube integrated circuits


Individual transistors made from carbon nanotubes are faster and more energy efficient than those made from other materials. Going from a single transistor to an integrated circuit full of transistors, however, is a giant leap. "A single microprocessor has a billion transistors in it," said ...


New nanomaterial maintains conductivity in three dimensions


An international team of scientists has developed what may be the first one-step process for making seamless carbon-based nanomaterials that possess superior thermal, electrical and mechanical properties in three dimensions. In early testing, a three-dimensional (3D) fiber-like supercapacitor ...


Physicists precisely measure interaction between atoms and carbon surfaces


Physicists at the University of Washington have conducted the most precise and controlled measurements yet of the interaction between the atoms and molecules that comprise air and the type of carbon surface used in battery electrodes and air filters - key information for improving those ...


'Microcombing' creates stronger, more conductive carbon nanotube films


Researchers from North Carolina State University and China's Suzhou Institute of Nano-Science and Nano-Biotics have developed an inexpensive technique called "microcombing" to align carbon nanotubes (CNTs), which can be used to create large, pure CNT films that are stronger than any previous such ...


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Nanotubes with 2 walls have singular qualities

Rice University lab calculates unique electronic qualities of double-walled carbon nanotubes


Rice University researchers have determined that two walls are better than one when turning carbon nanotubes into materials like strong, conductive fibers or transistors.Rice materials scientist Enrique Barrera and his colleagues used atomic-level models of double-walled nanotubes to see how they ...


Carbon nanotube computing?

Single-walled carbon nanotube composites show great promise for many things - including use as a material in 'unconventional' computing


As we approach the miniaturization limits of conventional electronics, alternatives to silicon-based transistors--the building blocks of the multitude of electronic devices we've come to rely on--are being hotly pursued.Inspired by the way living organisms have evolved in nature to perform ...


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Research combines graphene and painkiller receptor


Almost every biological process involves sensing the presence of a certain chemical. Finely tuned over millions of years of evolution, the body’s different receptors are shaped to accept certain target chemicals. When they bind, the receptors tell their host cells to produce nerve impulses, ...


Flexible supercapacitor raises bar for volumetric energy density

Could be woven into clothes to power wearable medical, communications devices


Scientists have taken a large step toward making a fiber-like energy storage device that can be woven into clothing and power wearable medical monitors, communications equipment or other small electronics. The device is a supercapacitor—a cousin to the battery. This one packs an interconnected ...


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