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Nanophysics Dec 23, 2021

Researchers use electron microscope to turn nanotube into tiny transistor

An international team of researchers have used a unique tool inserted into an electron microscope to create a transistor that's 25,000 times smaller than the width of a human hair.

Nanomaterials Dec 22, 2021

Scientists calculate how carbon nanotubes and their fibers experience fatigue

Up here in the macro world, we all feel fatigue now and then. It's the same for bundles of carbon nanotubes, no matter how perfect their individual components are.

Nanophysics Dec 21, 2021

Biosensors using field-effect transistors show great promise

Demand for sensitive and selective electronic biosensors—analytical devices that monitor a target of interest in real time—is growing for a wide range of applications. They are ideal for health care within clinical settings, ...

Nanophysics Nov 25, 2021

Novel color photography using a high-efficiency probe can super-focus white light into a 6-nanometer spot

Scientists have developed new materials for next-generation electronics so tiny that they are not only indistinguishable when closely packed, but they also don't reflect enough light to show fine details, such as colors, ...

Nanomaterials Nov 15, 2021

Lithography-free carbon nanotube arrays: The simple way to grow an army of tiny superheroes

Carbon nanotubes are one of science's best kept secrets.

Nanomaterials Oct 27, 2021

Carbon nanotubes could help electronics withstand outer space's harsh conditions

Space missions, such as NASA's Orion that will take astronauts to Mars, are pushing the limits of human exploration. But during their transit, spacecrafts encounter a continuous stream of damaging cosmic radiation, which ...

Nanophysics Oct 26, 2021

Carbon nanotube-based sensor can detect SARS-CoV-2 proteins

Using specialized carbon nanotubes, MIT engineers have designed a novel sensor that can detect SARS-CoV-2 without any antibodies, giving a result within minutes. Their new sensor is based on technology that can quickly generate ...

Bio & Medicine Oct 25, 2021

Researchers develop 'virus-killing' air filtration system

A new carbon-based air filtration nanomaterial capable of capturing and destroying various viruses, including animal coronavirus, a close relative of SARS-CoV-2—the virus that causes COVID-19—has been developed by Cambridge ...

Nanophysics Sep 28, 2021

A technique to create sub-10-nm graphene nanoribbons from squashed carbon nanotubes

Graphene nanoribbons (GNRs) are narrow and long strips of graphene with widths below 100 nm. GNRs that have smooth edges, a sizable bandgap and high charge carrier mobility could be highly valuable for a wide range of electronic ...

Polymers Sep 28, 2021

From recycling to upcycling: A smarter way to deal with plastic

Globally only about 20% of waste plastics are recycled. Boosting that figure remains a challenge as recycling plastic cleanly can be expensive and usually produces lower-value products, often making it financially unviable.

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