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Materials news, October 2015

An innovative redox-flow battery utilizes a liquid electrolyte made from organic polymers and water.

A new technique called cyclic healing uses repetitive, gentle stretching to eliminate pre-existing defects in nanoscale metal crystals.

A simple solvent can replace the annealing step currently used in the production of bulk heterojunction solar cells.

Polymeric capsules that can be triggered by an ultrasonic signal could release a cargo of drugs at specific times or in sequence

Scientists have discovered why silver electrodes in perovskite solar cells are prone to corrosion.

A new patterning process can fabricate electrically-conductive features as small as 4nm onto individual graphene oxide sheets.

A new anti-fouling coating for steel can make it stronger, safer and more durable.

Scientists have found a way to manipulate tiny magnetic vortices known as skyrmions using mechanical energy.

A novel dielectric film has a similar refractive index to air but is strong enough to be incorporated into electronic and photonic devices.

Circular nanohoops containing both carbon and nitrogen atoms represent a new class of organic semiconductor.

simple surface treatment for metallic biomedical implants could deter the bacteria that cause infections and complications after surgery

Dispersing individual platinum atoms on a copper surface can produce a highly effective hydrogenation catalyst.

Scientists have experimentally confirmed that black phosphorous nanoribbons have a strong in-plane anisotropy in thermal conductivity.

A new tri-lab consortium in the US will aim to design new solid-state materials for storing hydrogen gas.

Using a new concept for designing catalysts, scientists have developed a more effective platinum-based catalyst for fuel cells.

A new initiative is looking to develop entropy-stabilized alloys able to withstand extremely high temperatures.

Plastic-digesting enzymes found in mealworm gut

Bimetallic catalysts don't always need a core-shell structure but can be produced by covering the core in distinct patches of metal.

improving the stability of quantum dots by chemically altering their surface in an environmentally benign way

Scientists have created a novel, environmentally-friendly flame retardant derived from the neurotransmitter dopamine.

Scientists have uncovered a design rule that allows the creation of peptide-like nanosheets that are larger and flatter than any biological structure.

improving solar cells performance by cooling in sunlight

4D printing technology that creates complex self-folding structures

A newly-developed fabrication method can produce large perovskite solar cells with a 15% energy conversion efficiency.

Scientists have discovered that the electronic properties of organic semiconductors differ where they interface with other materials.

Symmetry-breaking superconductors

Growing vertical tetraaniline structures on a graphene substrate

Tungsten selenide and sulfide monolayers by modified CVD

A novel materials-by-design approach can lead to the development of nanocellulose materials with better mechanical properties.

A unique and novel type of nanoribbon could enhance the efficiency of organic solar cells.

Scientists have measured the behavior of individual atoms in dielectric materials when exposed to an electric field.

A new polymeric fuel additive for jet engines can reduce the intensity of post-impact explosions.

A new paper from the inventor of the dye sensitized solar cell suggests that inkjet printing may be the key to improving their performance.

A speedy way to produce graphene aerogels for use in energy applications, catalysis and environmental clean-up could be one step closer....

problem dendrites in batteries dealt with by heat

Optical invisibility cloaks could increase the efficiency of solar cells by guiding sunlight around objects that cast a shadow on the cells.

A new electrode material could allow micro-supercapacitors to match the energy-storage ability of batteries.

A new type of anode made from mushrooms could lead to lithium-ion batteries that increase capacity with repeated charging.

Scientists have created the first entropy-stabilized alloy that incorporates oxides.

Scientists have developed artificial microflowers that self-assemble in water and mimic the natural blooming process.

A new self-assembly method for proteins and peptides can create complex scaffolds for tissue growth.

Materials Today now invites researchers to propose projects that fit within the scope of the Grand Challenge.

Atomically thin sheets of hybrid perovskites represent the first 2D semiconductors made from ionic materials.

A magnetoelastic alloy consisting of iron doped with the metal gallium could form the basis for wireless impact detectors.

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