Search results for nanotubes

Analytical Chemistry Feb 26, 2024

Catalyst combines vanadium-based components and nitrogen-doped biomass carbon for pollutant removal

Polychlorinated dibenzo-p-dioxins and dibenzofurans are dangerous pollutants due to their carcinogenicity and persistence in the environment. Traditional catalytic oxidation methods for their removal face challenges like ...

Nanophysics Feb 21, 2024

Membrane technology: Looking deep into the smallest pores

Membranes of vertically aligned carbon nanotubes (VaCNT) can be used to clean or desalinate water at high flow rate and low pressure. Recently, researchers of Karlsruhe Institute of Technology (KIT) and partners carried out ...

Nanophysics Feb 16, 2024

5,000 atoms are all you need: The smallest solid-state ferroelectricity

Recent research has broken the size limitation of traditional ferroelectric effects, providing experimental evidence and theoretical simulations to confirm that a structure with as few as 5,000 atoms can still exhibit solid-state ...

Bio & Medicine Feb 13, 2024

New nanosensors make diagnostic procedures more sensitive

The Fraunhofer Institute for Microelectronic Circuits and Systems IMS and Ruhr University Bochum, Germany, have developed a process that enables a new form of signal amplification for diagnostic tests. Through the advanced ...

Nanomaterials Feb 7, 2024

Curved carbon nanotubes enhance electrocatalysts for carbon neutrality

Electrocatalysis plays a vital role in developing clean energy, greenhouse gas removal and energy storage technologies. A study co-led by City University of Hong Kong (CityU) researchers found that single-walled carbon nanotubes ...

Space Exploration Feb 2, 2024

Are space elevators possible? Physicist says they could transform humanity into a 'spacefaring civilization'

Humanity's quest to explore—and, perhaps eventually, colonize—outer space has prompted a great many ideas about how precisely to go about it.

Nanophysics Feb 2, 2024

Unveiling oxidation-induced super-elasticity in metallic glass nanotubes

Oxidation can degrade the properties and functionality of metals. However, a research team co-led by scientists from City University of Hong Kong (CityU) recently discovered that severely oxidized metallic glass nanotubes ...

Nanophysics Jan 24, 2024

Organic electronics lead to new ways to sense light

The past few decades have seen astonishing advances in imaging technology, from high-speed optical sensors that process over two million frames per second to tiny lensless cameras that record images using a single pixel.

Nanophysics Jan 22, 2024

Scientists trap krypton atoms to form one-dimensional gas

For the first time, scientists have successfully trapped atoms of krypton (Kr), a noble gas, inside a carbon nanotube to form a one-dimensional gas.

Nanomaterials Jan 16, 2024

Chemists find new way to rid boron nitride nanotubes of impurities

Very strong, light materials that can withstand extremely high temperatures could usher in next-generation spacecraft, enhance current devices or enable the development of new biomedical imaging or hydrogen storage applications, ...

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