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Materials news, June 2021

photonic composite based on biopolymers, silk proteins, and gold nanoparticles twists and bends in response to light

Researchers have developed a sprayable hydrogel that forms a barrier to keep heart tissue from adhering to surrounding tissue after surgery.

groups of enzyme-powered nano-sized robots swarm in biological fluids and inside organisms

A novel graphene-based aerogel with a structure similar to meringue is the lightest sound insulation material ever manufactured.

Researchers hope that carbon obtained from coffee grounds could build better and more sustainable batteries

Cardiac disease can cause damage that the body cannot fix. Artificial tissues made with spider silk could be the answer

Research into using structures called dendrimers to deliver photoactive materials into cancer cells could yield new approaches for therapy and diagnosis

2D transition metal carbide nanomaterials known as MXenes show promising antiviral properties against some strains of SARS-CoV-2

Si/GaN could be ideal efficient and durable photoelectrode for photoelectrochemical systems capable of artificial photosynthesis

Researchers have improved the energy density of organic-based, solid-state lithium batteries by altering the cathode microstructure with ethanol.

shape-memory actuator based on nanometer-thick platinum films capped with titanium dioxide could enable low-power, electrically programmable microrobots

Researchers have developed a novel transparent polymer coating that can capture virus-laden droplets and aerosols, removing them from the air.

Researchers have developed a novel manufacturing technique for producing flexible transistors from 2D semiconductors.

Researchers can gain more control over the electrical properties of 2D semiconducting materials by stacking them in specific geometries.

Researchers have shown that the atomic-level vibrations of graphene sheets coated in antibodies can be used to detect the SARS-CoV-2 virus.

Researchers have determined the process by which the 2D material molybdenum disulfide flashes into existence during chemical vapor deposition.

For the first time, researchers have made detailed measurements of how oxygen seeps out of the nanoparticles that make up lithium-ion battery electrodes.

Novel crystalline form of silicon for the next generation of electronic and energy devices

By shining laser light on semiconducting moiré superlattices, researchers have found a new class of electronic excited states called 'moiré trions'.

Researchers have created a sustainable polymer film by assembling plant proteins into materials that mimic spider silk on a molecular level.

Biodegradable battery for the Internet of Things, integrated health monitoring, and environmental or agricultural sensing

Using their 'swarmbot' platform, researchers have shown that a class of composite polymers can be produced by living cells.

Researchers have developed a novel photopolymerization process for synthesizing two-dimensional polymers.

For the first time, researchers have directly observed the anionic redox reaction in a lithium-rich battery material with high energy density.

A novel separator based on a metal-organic framework can keep gas-based electrolytes from vaporizing in batteries that work at ultra-low temperatures.

Researchers have shown that covalent organic frameworks can be turned into a porous aerogel that could find use as a custom membrane in batteries.

Based on their predictions, researchers have developed a bismuth alloy with oddly behaving electrons that manipulate heat in unusual ways.

A new material made from carbon nanotubes and a Teflon-like polymer can generate electricity by scavenging energy from its environment.

Scientists struck a crystalline material with ultrafast pulses of laser light and then used X-rays to probe how its magnetic order changes.

high pressure shocks shown to lead to new forms of matter

By incorporating silicon chips into a polymer, researchers have created the first textile fiber with digital capabilities, able to store and analyze data.

A novel crystalline form of silicon with a hexagonal structure could help to create next-generation electronic and energy devices.

Researchers have discovered that a layered crystal made of rhenium and silicon can produce a highly efficient transverse thermoelectric generator.

Inspired by the natural adhesives of mussels and barnacles, researchers have developed their own natural adhesive from fibrous silk proteins.

researchers reveal the secrets of transition metal-nitrogen-carbon (M-N-C) catalyst pyrolysis

Researchers have shown that quantum confinement can occur in perovskites, causing them to behave like liquid quantum dots, or 'quantum drops'.

Researchers have found that a semimetal made of cerium, ruthenium and tin is quantum critical in its native state, without the need for any fine-tuning.

Researchers have shown that 'bite-defects' in graphene nanoribbons can disrupt their electronic transport but also yield spin-polarized currents.

A novel, low-cost, sustainable aerogel made from cellulose nanofibrils and alginate shows promise for use in drug delivery and wound dressing.

Researchers have found that highly aligned carbon nanotube films can rotate the polarization of light at terahertz frequencies.

Utilizing two microscopy methods, researchers have visualized the oxidation of hydrogen on a rhodium nanoparticle in real time at nanometer resolution.

Researchers have chemically modified the organic material fluorenone for use in redox flow batteries, replacing expensive vanadium.

Researchers have shown how controlling the alignment of atoms at the surface of battery electrodes can enhance their interface with solid electrolytes.

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