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Materials news, September 2021

New nano semiconductor materials show promise

Synthesis of molecular nano “spheres” with potential for semiconductors

Researchers have developed a novel method for getting thin layers of different materials, including perovskites, to self-assemble into large crystals.

Researchers have developed a theoretical model that can rapidly determine the strength of high-entropy alloys at high temperatures.

Center for Atomically Thin Multifunctional Coatings, operated by Penn State and Rice Universities, secures $1.5 million in Phase II funding from NSF

shape-changing nanomaterial kills non-small cell lung cancer cells and improves the efficacy of anticancer drug cisplatin

While searching for novel superconductors, researchers unexpectedly discovered a 2D material with an unusually high ionic conductivity.

Subjecting combinations of oils with different conductivities to an electric field causes them to adopt unusual shapes and patterns, like square droplets.

Using ultrafast laser pulses, researchers were able to observe subtle transitions between the insulating and conducting properties of chromium oxides.

By applying strain to a monolayer semiconductor, researchers managed to produce chiral valley-polarized light at room temperature.

Using a novel gel, engineers can grow tiny replicas of the pancreas called pancreatic organoids, using either healthy or cancerous pancreatic cells.

Researchers have developed a novel etching process for fabricating features and patterns on 2D materials like graphene at near atomic resolution.

Researchers have discovered a universal descriptor for indicating which electrolytes are best paired with organic actives in redox flow batteries.

When cesium, copper and zinc oxide are brought together in a certain configuration they can catalyze the conversion of carbon dioxide to ethanol.

A study that revealed previously unrecognized properties of silicon crystals also uncovered new information about neutrons and a fifth force of nature.

By synthesizing the first 1D cuprate that can be doped, scientists have uncovered an unexpectedly strong nearest-neighbor attraction between electrons.

A strong interaction between electrons and phonons in a novel superconductor causes the electrons to flow like water in a pipe.

Inspired by cell membranes, novel polymer membranes can separate fluoride from chloride and other ions with twice the selectivity of other methods.

Researchers have improved their carbon membranes for isolating para-xylene and shown how changes to its structure can greatly increase productivity.

Researchers have enhanced the brightness and stability of light-emitting perovskite nanocrystals by encapsulating them in metal-organic frameworks.

By combining quantum dots and gold nanoparticles with molecular glue, researchers have created a tiny camera for observing chemical reactions.

Using a novel microscopy technique, researchers have discovered an unexpected arrangement of electrons in an iron-based superconductor.

Researchers have discovered how to get cheap commercial silica nanocages to trap noble gases like argon, krypton and xenon.

Researchers used neutron time-of-flight spectrometry to probe the magnetic properties of a stack of two sheets of 2D chromium triiodide.

By anchoring individual iridium atoms to a surface, scientists have produced a highly effective catalyst for splitting water to generate oxygen.

By encasing a liquid metal alloy in a hydrogel, researchers have produced a material that can convert movement into electricity when dry or wet.

Researchers have used field-effect transistors with diamond channels to investigate the electric double layer effect in solid electrolytes.

By utilizing silver terraces as a substrate, engineers have, for the first time, managed to create a double layer of atomically flat borophene.

By inserting molecular spacers between the layers in a graphite anode, researchers have created sufficient space for sodium ions.

A novel rechargeable battery that uses sodium-chlorine chemistry can store up to six times more charge than current batteries.

By applying mechanical strain to a 2D semiconductor, researchers were able to get it to emit light, rather than heat, with near 100% efficiency.

By developing conducting carbon nanotube threads, researchers have been able to product shirts that can monitor the hearts of wearers.

By producing large, high-quality bismuth iodide crystals, researchers have shown these crystals can act as two different types of topological insulator.

Properties of bamboo inspire more efficient battery electrodes

"Carbon-based materials for electrocatalysis: tailored functionalities towards activity and selectivity"

Researchers have developed a model for predicting how the compositions of catalytic metal alloys and oxides affect their electronic structures.

By crosslinking lignin from wood within a 3D polymer network, researchers have produced a new sustainable phosphorescent material.

Lightweight multifunctional alternatives made from natural resources could mitigate waste problems associated with non-biodegradable materials

Researchers have found that twisting the layers of bilayer graphene influences the movement of electrons by altering the spacing between the layers.

By pairing metal halide perovskites with conventional silicon, researchers have produced a solar cell with a record-breaking efficiency of almost 30%.

Microplastics shown to stress cell membranes through physical processes

By utilizing a ferroelectric layer to overcome the ion problem, researchers have managed to create transistors made from metal-halide perovskites.

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