Articles tagged with Porous Materials
Researchers at Washington State University developed a nanomaterials-engineered penetrating sealer that improved concrete's water and salt resistance by 75% and 44%, respectively. The sealer is environmentally friendly and designed to also serve as a curing aid for fresh concrete.
Scientists have simulated the growth of ultra-thin polycrystalline diamond films with promising results. The two-dimensional simulations revealed interesting geometric structures and shed light on how to create robust materials. The research has implications for biomedical science, quantum devices, and other applications.
Researchers developed a novel coating material based on methylene blue dye to mitigate the polysulfide shuttling effect in lithium-sulfur batteries, improving their durability and electrochemical performance. This breakthrough could lead to the widespread adoption of sustainable energy storage systems.
Scientists at Vienna University of Technology have successfully integrated large surface areas of graphene into limited volumes by producing it on complex branched nanostructures. This breakthrough enables increased storage capacity for hydrogen and higher sensitivity in chemical sensors.
The Wallenberg Initiative Material Science for Sustainability aims to create new, vital knowledge and expertise in functional materials. The programme will focus on advancing the limits of knowledge in materials science to promote sustainable technologies and reduce greenhouse gas emissions.
A research team discovered a quantum confinement effect in a 3D-ordered macroporous structure of BiVO4, enabling hydrogen production under visible light. The study found that the 3DOM structure had higher photocatalysis efficiency and produced more oxygen than its plate-like counterpart.
Researchers at the University of Queensland have developed a method to produce unbreakable screens using liquid-phase sintering of lead halide perovskites and metal-organic framework glasses. This breakthrough could revolutionize the display industry with virtually indestructible displays.
Researchers from The University of Electro-Communications and Tokyo University of Agriculture and Technology found that sintering porous media inside heat transfer tubes increases the area available for heat exchange, reducing thermal resistance and enhancing heat transfer performance. Heat transfer in these tubes is five times greater...
A team of scientists has created a novel material composed of catenane molecules, which can adsorb and desorb gas molecules like carbon dioxide. The soft crystal exhibits unique properties, including porosity and deformability, making it suitable for applications such as capturing CO2 molecules.
New research from Shibaura Institute of Technology reveals that spark plasma sintering produces highly dense MgB2 bulks with improved mechanical and superconducting properties. The resulting samples exhibit superior strengths and high trapped field performance, making them suitable for space applications and electric machines.
A new membrane technology has been developed at KAUST, enabling the selective separation of light hydrocarbons at low energy costs. The approach uses molecular-sieving membranes that can be synthesized continuously at room temperature and ambient pressure.
Researchers at UIUC discovered that meteorites become porous when heated, affecting their strength and likelihood to break apart. This discovery will help NASA's Asteroid Threat Assessment Program predict potential damage from larger meteorite impacts.
Researchers have developed a novel electrode material based on cobalt and nickel that can efficiently produce hydrogen through water and urea electrolysis. The phosphorus-doped cobalt-nickel-sulfide nanoparticles demonstrate high activity and stability, reducing the overall voltage of the electrolysis cell.
Researchers developed a method to scale up nanocages to trap noble gases like krypton and xenon. The team used commercial materials and found the optimal temperature range for trapping gas atoms inside the cages.
Researchers have developed a new model for micro-swimmer-based transport, which shows that a swarm of micro-swimmers can transport particles more efficiently than traditional methods. The study's findings suggest that this phenomenon could be useful in biological applications, such as delivering drugs to specific locations in the body.
A team of researchers from the University of Science and Technology of China developed a super-elastic porous carbon material called 'carbon spring' with both high compressibility and stretchability. This unique microstructure enables reversible tensile and compressive deformation, similar to a real metallic spring.
The new alkali metal-chlorine batteries can cycle up to 200 times and achieve a capacity of 1,200 milliamp hours per gram, significantly outperforming commercial lithium-ion batteries. Researchers envision their batteries being used in satellites and remote sensors where frequent recharging is not practical.
Researchers have developed a novel type of soft hybrid ultramicroporous material that can change its pores to allow acetylene molecules to fit in perfectly. The material binds acetylene with unusual strength and allows for highly selective separation from other gases.
A study published in the Journal of Materials Science: Materials in Medicine found that alginic acid improves artificial bones by increasing porosity, compressive strength, and setting time. The addition of alginic acid to calcium phosphate cement enhances its mechanical properties, allowing for more effective bone replacement.
A team of scientists at NTU Singapore has developed a way to convert tamarind shells into carbon nanosheets, which can be used as an energy storage material in vehicles. The process is eco-friendly and reduces waste, making it a promising alternative to industrially produced counterparts.
The KAUST team's solution involves a layer of hierarchically porous graphene that significantly suppresses polysulfide shuttling in Li-S batteries. This innovation improves the capacity and recharging ability of Li-S battery technologies, making them suitable for large-scale commercial applications.
Researchers solve a major problem in manufacturing metallic wood, eliminating inverted cracks that plagued similar materials for decades. The new material allows strips of metallic wood to be assembled in areas 20,000 times greater than before, enabling the creation of stronger, more consistent devices.
Researchers at North Carolina State University developed an e-textile material using inkjet printing, creating a durable and flexible wearable device that can conduct electricity. The study's findings suggest a simpler method for manufacturing electronic textiles.
Researchers create an integrated cathode with 3D porous honeycomb-like CoN-Ni3N/N-C nanosheets, enhancing conductivity and active sites. The resulting supercapacitor achieves remarkable energy density and cycle stability, enabling high-energy-density flexible wearable electronics.
Researchers from Osaka University developed a nanocarbon material made from crab shells suitable for use in photosensing and energy storage devices. The material was created through simple pyrolysis of chitin nanofiber paper, demonstrating a sustainable and efficient method for producing renewable electronics.
Researchers from NUST MISIS developed a new nanomaterial that can replace low-efficiency graphite in lithium-ion batteries, increasing capacity and extending service life. The material provides three times higher capacity than existing batteries and allows for five times more charge-discharge cycles.
KAUST researchers review the prospects for IPMs to separate gases and liquids without traditional high-temperature methods, offering energy efficiency and environmental benefits. The team identified promising compounds like cyclodextrin, cucurbiturils, and pillararenes with impressive performance in industrial gas and liquid separations.
Researchers at Northwestern University created a new form of synthetic melanin that mimics the properties of fungal melanin, which can protect against environmental stressors. The material, called 'fungal ghosts,' is selectively porous, allowing it to store and capture molecules while letting good stuff through.
A RUDN University professor has developed a method to calculate the permeability of bone implants by biological fluids. The study found that both porosity and pore size affect material permeability, with higher porosity leading to increased permeability.
Researchers from Chung-Ang University have successfully produced anion-exchanged porous SnTe nanosheets with ultra-low thermal conductivity and high-performance thermoelectrics. This breakthrough has significant implications for energy generation, refrigeration, transportation, and biomedical devices.
Researchers found porous surfaces accelerate evaporation, reducing virus survival time to three hours on paper and two days on cloth. This suggests that covering impermeable surfaces with porous materials can help prevent infection transmission.
A team of Chinese researchers developed a material that can both quickly detect and efficiently remove ozone. The porous material, called an imine COF, works reliably at high humidity and over a wide temperature range.
Researchers at the Niels Bohr Institute designed a porous polymer capable of capturing small molecules, including toxic ammonia. The polymer's strong binding properties have significant implications for reducing environmental harm and improving human health.
Researchers at Lancaster University have discovered a crystalline material that can capture and store solar energy for several months at room temperature. The energy is released on demand as heat, providing a promising solution for renewable heating systems and environmentally-friendly applications.
Researchers from TUM and RUB have developed flexible MOFs by adding carbon arms to the organic connecting pieces, allowing them to maintain their shape under pressure. The material's behavior is driven by configurational entropy, which enables it to transform between open-pored and closed-pore structures.
The Surrey team developed highly effective cathodes using single-atom catalysts and produced atomic cobalt electrocatalysts that showed superior electrochemical performance in Li-Se batteries. The batteries demonstrated a high rate capability and excellent cycling stability with minimal capacity decay over 5000 cycles.
Researchers led by Kyushu University have developed a new method to explore key phenomena associated with multiphase fluid flow in porous materials, overcoming the limitation of viscous coupling effects. The new approach combines pore network modeling and lattice Boltzmann simulations, allowing for accurate capture of viscous coupling ...
A Cornell University-led collaboration has created a new 3D printing technique that produces cellular metallic materials at supersonic speeds, resulting in mechanically robust and porous structures. These structures are 40% stronger than similar materials made with conventional manufacturing processes.
Researchers from Tohoku University developed a new method for creating MOF thin films with designable pores, opening up its use for humidity sensing, gas sensing and resistive switching devices. The 'layer-by-layer' method involves sequential immersing of substrates into ingredient solutions.
Researchers used machine learning to predict water stability in metal-organic frameworks (MOFs), accelerating the development of new materials. The model, trained on over 200 existing MOFs, enables predictions for other important properties, expanding applications in chemical separations, adsorption, and sensing.
Researchers at KAUST developed a new material that significantly improves the energy density of supercapacitors, enabling quick bursts of energy. The material uses covalent organic frameworks (COFs) with carefully selected molecular functional groups to overcome conductivity limitations.
A team of researchers at Binghamton University has created a porous polydimethylsiloxane (PDMS) material that improves the breathability and accuracy of wearable biosensors. The new material allows for sweat evaporation during exercise, maintaining high-resolution signals.
Researchers developed a Ni-MOF that can capture acetylene with extraordinary efficiency and selectively from ethylene streams. The material has a synergistic combination of tailor-made pore sizes and chemical docking sites, making it especially efficient.
The study introduces a new type of composite membrane with a polystyrene surface layer that increases its resistance to aggressive media. The developed dynamic membranes show high separation efficiency for emulsions and can be reused by replacing the contaminated surface layer, making them suitable for liquid waste treatment.
Researchers developed a new material called porous liquids that can separate gas molecules of different sizes from each other. The material has the potential to replace traditional distillation methods and save up to 80% of energy used in the plastics industry.
Researchers have developed a way to solubilize metal organic frameworks (MOFs) to create liquid-like materials. These MOF dispersions can separate gas mixtures with high efficiency and selectivity, making them suitable for industrial applications.
Scientists used dynamic in-situ x-ray diffraction to observe how a crystalline sponge changed shape as it lost water molecules. The study found that one water molecule leaves quickly, causing the crystal lattice to compress and twist, while the other two molecules leave together.
A team of scientists, including Kathryn Coyne from the University of Delaware, have developed protocols for studying the genetic underpinnings of marine algae. By analyzing the genetics of a specific species of algae that produces harmful blooms, they were able to create genetically modified strains and identify genes involved in toxin...
The study establishes a cost-effective synthetic strategy to gain highly proton-conductive porous organic polymers (POPs) with excellent conductivity of 10-2 to 10-1 S cm-1. This design offers a universal means for evolving structural design for highly proton-conductive materials.
Researchers have developed a simple bottom-up synthesis method for graphdiyne, a two-dimensional carbon network with adjustable electronic properties. The material demonstrates excellent lithium-storage capacity and stability, making it suitable for electrochemical applications.
Researchers from DGIST introduce a new post-synthetic modification (PSM) method for Metal-Organic Frameworks (MOFs), generating highly porous mesostructures. This technique enables the introduction of desired functional groups and mesoscopic holes, improving adsorption kinetics.
Researchers at TU Dresden are developing nanostructured porous carbon materials for sustainable energy applications. Prof. Qiang Xu joins the team to advance hydrogen evolution catalysis and electrical energy storage.
Magnetic ionic liquids (MIL) Emim[FeCl4] and Bmim[FeCl4] were examined at room temperature, revealing paramagnetic to antiferromagnetic behavior. A hybrid reverse Monte Carlo method combined X-ray scattering measurements with molecular simulation to reveal precise coordination structures.
Researchers from the University of Houston have reported a structural supercapacitor electrode made from reduced graphene oxide and aramid nanofiber that is stronger and more versatile than conventional carbon-based electrodes. The new material offers promise for longer battery life and higher energy at a lighter weight.
Researchers have introduced polymer molecules that mimic nature's antifreeze proteins into concrete to prevent ice crystal growth. The new concrete mix has been shown to withstand 300 freeze-thaw cycles and maintain its strength, offering a potential solution to the damage caused by freezing and thawing.
Researchers at Duke University have developed flow-through electrodes that can store hydrogen more efficiently than conventional electrolyzers. The new design increases the surface area of the electrode to allow for faster and more productive water electrolysis, with potential implications for affordable renewable energy storage.
Researchers have developed a material that can desalinate water up to 40 times faster than other materials, using electrostatic forces to attract salt ions. The porous carbon fibers have high surface areas and electrical conductivity, making them suitable for applications such as batteries and cars.
Researchers developed a hierarchically porous TiO2/rGO hybrid material, which exhibited high and stable surface area and excellent reversible capacity. The material's (001) facets facilitate Li+ insertion-extraction at low current densities, while its porosity dominates the process at high currents.
A new adsorbent material developed using PET waste bottles can remove 100% of antibiotics from water in under 90 minutes, with high reusability and stability. The material uses a high-purity organic ligand extracted from PET waste, which is a cost-effective alternative to existing methods.
Researchers at Northwestern University have developed a new material with ultrahigh porosity and surface area for storing hydrogen and methane. This breakthrough could enable the creation of more efficient fuel cell-powered vehicles by allowing for lower-pressure gas storage and reduced costs.