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Nanomaterials news, February 2018

Sapphire substrate controls crystal growth over large areas

A novel multistep process can fabricate single crystal, atomically thin films of tungsten diselenide across large-area sapphire substrates.

Graphene displays labeling abilities on toast, coconuts and potatoes

Scientists have written patterns in laser-induced graphene on food and other materials, offering a new way to produce conductive identification tags.

By binding metal ions to organic molecules, scientists have developed a novel 3D printing technique for fabricating complex nanoscale metal structures.

A novel laser-based method can measure stresses and strains in a 2D material, allowing scientists to probe their effect on the material's properties.

Molecules that cling to mitochondria may offer a new approach to treatment and diagnosis of cancer.

A thin film made from iron, cobalt and manganese may have a magnetization density that is 50% greater than a previously considered maximum limit.

Researchers have employed the power of the sun to build functional synthetic polymers using photosensitive, semiconducting quantum dots as a catalyst.

Micron-sized spheres coming together under the influence of a spinning magnetic field can be used to model 2D materials and other molecular systems.

A team of chemists has developed a new method for synthesizing nanographenes by zipping up partially fused benzene molecules.

High-resolution magnetic memory.

A new electron microscopy technique can precisely determine the temperature and temperature-dependent behavior of two-dimensional materials.

Scientists have uncovered evidence of rotating vibrations known as chiral phonons in a 2D material, which could be used for new forms of computing.

Scientists have uncovered gas separation abilities in a 2D material called MXene, which could be incorporated into membranes for purifying hydrogen.

An analytical platform known as MAESTRO can zero in on signatures of exotic behavior by electrons in a 2D material with microscale resolution.

Using a silver nanowire and a 2D material, researchers have found a way to convert electron spin information into a predictable light signal.

By employing graphene girders as physical supports, scientists have been able to replace graphite with silicon in the anodes of lithium-ion batteries.

A tiny tube made of protein-like molecules called peptoids that rolls up and zips closed could be used for various applications including water filtration.

Scientists have produced the the first truly planar sample of stanene, an atom-thick sheet of tin atoms, by growing it on an alloy of silver and tin.

Engineers have created a method for systematically designing metamaterials using the principles of quantum mechanics.

Two advances promise to expand the possible uses of graphene oxide-based membranes in purification and filtration technologies.

Lining up gold or silver nanocubes in edge-to-edge configuration improves sensitivity performance in molecular sensing.

‘Dual-mode’ radiative thermal management textile can provide both warming and cooling.

A scaffold made of crumpled graphene balls can prevent the formation of dendrites in lithium metal batteries while withstanding volume changes.

A thin layer of fullerene molecules allows electrons to travel further than previously thought possible in organic solar cells and organic semiconductors.

Ordering C-S-H mesocrystals using polymeric binder creates strong and flexible hybrid material.

Inks based on graphene and other two-dimensional materials enable the printing of washable and biocompatible electronics on cotton and polyester textiles.

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