Articles tagged with Porous Materials
Researchers developed an iron oxide-based ultraviolet-absorbing powder material, which can neutralize UV radiation and is safer than titanium dioxide. The material was found to have comparable performance and stability to TiO2 materials currently used in sunscreens.
Researchers found the moon's crust was highly porous, about one-third as porous as pumice, due to massive impacts that shattered much of the crust. The team estimated the moon experienced double the number of impacts as seen on its surface, which limits constraints on solar system formation and evolution.
King Abdullah University of Science & Technology (KAUST) researchers have created a new membrane material that separates nitrogen from methane based on their shape difference. This approach reduces purification costs for natural gas by up to 73% compared to existing methods, offering an energy-efficient solution.
A new platform mimics live cellular environment to guide stem cell differentiation outside the body. Researchers from Chung-Ang University developed a novel platform based on metal-organic frameworks, which offers advantages over conventional methods for in vitro stem cell differentiation.
Researchers at the University of Chicago have invented a new type of porous solar cell that can power medical devices, including pacemakers. The innovative technology reduces the size of bulky batteries and eliminates the need for high temperatures or toxic gases in production.
Researchers have developed a new carbon capture method using sponge-like materials that can trap CO2 without degrading over time. The materials are made from sugar and low-cost alkali metal salts, making them a potentially cost-effective solution for reducing coal-fired power plant emissions.
Researchers developed flexible, porous nitrogen dioxide sensors that can be attached to skin and clothing for continuous monitoring. The sensors have potential applications in healthcare, environmental monitoring, and military use, offering a non-invasive alternative to traditional methods.
Researchers at University of Limerick developed a new sponge-like porous material capable of capturing trace amounts of benzene, a toxic pollutant, from the air with low energy consumption. The material has strong affinity for benzene and can capture it even when present at very low concentrations.
Researchers have discovered a zirconium-based metal–organic framework material that catalyzes the degradation of PET into its monomers. This process can be reused to make high-value PET products, enabling the development of a circular economy. The catalyst breaks down PET waste at 260°C with yields up to 98%
Scientists developed a new porous coordination polymer that can store and release acetylene, a highly flammable industrial gas, without using solvents. The material allows for the storage of large quantities of acetylene at pressures below 2 bar.
A new type of sampler using felt nibs from pens has been developed for collecting biological samples, offering longer storage life and ease of use. This technology has potential applications in space exploration and medical settings.
Researchers at Rice University have developed a method to turn treated plastic waste into an effective carbon dioxide sorbent, capable of removing CO2 from flue gas streams. The process involves heating plastic waste in the presence of potassium acetate, producing particles with nanometer-scale pores that trap CO2 molecules.
Researchers used machine learning to predict the most important factors underlying heavy metal pollution remediation in biochar-treated soils. Biochar nitrogen content and application rate were found to be the most crucial features in determining HM immobilization, with soil properties also playing a significant role.
Scientists have created electrodes from recycled coffee grounds that can detect trace levels of biomolecules in vitro, offering a more sensitive surface for neurochemistry detection. The researchers hope to boost their neurochemical detection abilities by fabricating entire electrodes with carbon from coffee grounds.
A team of researchers has found that plastic waste-derived porous materials can adsorb CO2 from flue gas, reducing plastic pollution and emissions. The study suggests that these materials could be used in industrial-scale applications, making them a promising alternative to conventional CO2 capture technologies.
Researchers from Ruhr-University Bochum, Yale, and Bielefeld have successfully produced a layer of two-dimensional silicon dioxide with natural pores. This material can be used as a fine-mesh sieve for molecules and ions, offering potential applications in desalination, fuel cells, and sustainable energy solutions.
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.
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 ...
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.
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 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 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 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.