Articles tagged with Porous Materials
Chenfeng Ke, an assistant professor at Dartmouth College, has been awarded the 2020 Cram Lehn Pedersen Prize for his groundbreaking work on supramolecular chemistry. His research focuses on developing dynamic systems and macroscopic machinery materials that operate cohesively at the molecular level.
Researchers found that capillary forces in graphene oxide hydrogels can be regulated by surface tension, allowing for the creation of dense yet porous materials. By using solvents with different surface tensions, the microstructure of the resulting materials can be precisely manipulated and densified.
Researchers create a novel material with different thermal conduction properties depending on direction, combining the benefits of insulation and heat dissipation. The material's unique structure allows for efficient transfer of heat within layers while blocking it perpendicular to the layers.
A new type of self-cleaning concrete has been developed by researchers, which repels dust particles and liquids, including milk and coffee. The material also boasts soundproofing and heat-insulating properties, making it an attractive option for building materials.
Chinese scientists developed a new material that enables the creation of flexible, wearable supercapacitors with high energy density. The electrodes are made from a hybrid material synthesized from two carbon nanomaterials and a metal-organic framework, which provides a balance of porosity, conductivity, and electrochemical activity.
Scientists discover that tiny holes in materials like concrete increase strength by spreading force and protecting weak zones. The phenomenon only applies where strong and weak zones are unevenly distributed, and it has the potential to predict material failure.
Researchers developed a sandwich-structured electrode using ZIF-67 to trap polysulfides, improving reaction kinetics and preventing the shuttling effect. This enhances lithium sulfur battery performance by up to three times that of traditional lithium ion batteries.
Scientists have created a durable and flexible super-water-repelling material by drawing inspiration from the spiky yet flexible skin of the porcupinefish. The material retains its water repellency after being repeatedly bent or twisted, making it suitable for applications such as self-cleaning, anti-icing, and corrosion prevention.
Researchers at Northwestern University discovered that mixing strong and weak graphene oxide flakes can create stronger paper, improving the material's durability. The finding sheds light on a general problem in materials engineering and has implications for other two-dimensional materials.
A team led by Dr. Mert Atilhan and Dr. Cafer Yavuz developed a new porous polymer that can store natural gas more effectively than current methods. This breakthrough material has the potential to reduce greenhouse gas emissions by storing cleaner-burning fuels, such as natural gas, instead of coal or oil.
Computer simulations reveal that creep deformation can modify material properties, altering the chances of certain events occurring within the material. The researchers also found patterns in intervals between deformation events conforming to Omori law.
Researchers from SUTD's Soft Fluidics Lab developed a new 3D printing method, immersion precipitation 3D printing (ip3DP), which allows for the fabrication of 3D porous models in one step. The porosity of the printed objects can be easily controlled by adjusting polymer concentrations and solvent types. This novel approach enables the ...
Scientists have taken first images of carbon dioxide molecules within a MOF, revealing the guest-host relationship and expansion of the cage as CO2 enters. This breakthrough using cryo-EM imaging demonstrates unprecedented insights into MOF chemistry and potential for separating gases.
The research team developed a system that allows for the real-time observation of MOF adsorption behavior, enabling accurate measurements and assessments of gas adsorption isotherms. By analyzing individual pore molecules, they identified a stepwise adsorption process and quantified the effects of pore structure and adsorption molecule...
Scientists have developed an adsorbent membrane that can remove pharmaceuticals and personal care products from water, a problem exacerbated by increasing use of these substances worldwide. The membrane, coated with porous aromatic frameworks, has shown high capacities for removing three model PPCPs and was recyclable.
Researchers at the University of Maryland have developed a self-cleaning solar evaporator made of wood that can efficiently produce clean drinking water from salty water. The device uses interfacial evaporation technology and minimizes maintenance needs, making it suitable for off-grid water generation in low-income countries.
Researchers at McGill University have created a new class of hypergolic fuels that are significantly cleaner and safer than current options. These fuels use metal-organic frameworks to unlock energy, offering a promising solution for the aerospace industry.
A team from Michigan Technological University has developed a new way to produce customizable nanofibers for growing cell cultures, cutting out the need for toxic solvents and chemicals. By varying electric field strengths, they can create different pocket sizes in the fibers, ideal for various cell types.
Researchers at Saarland University have developed a nanocoated metal foam process that strengthens lattice structures, producing lightweight yet extremely stable materials. These foams exhibit excellent shock-absorbing properties and can be used in various applications, including catalysis, heat shielding, and architectural designs.
Guoliang Liu's lab creates uniform porous structures in carbon fibers, enabling high loading of pseudocapacitive materials like MnO2. This results in a balance between high energy density and sustained high charging and discharging rates, overcoming industry challenges.
Scientists developed a new hybrid bone implant combining the properties of ultra-high molecular weight polyethylene (UHMWPE) and polyetheretherketone (PEEK). The implant's unique structure allows for improved strength, elasticity, and affordability.
Researchers at Hokkaido University developed a porous material that turns yellow to reddish-brown when exposed to acid vapor, returning to its original color upon removal. The material's stability is remarkable, maintaining its structure at high temperatures and resisting common organic solvents.
A team of engineers at Dartmouth College has developed a dime-sized invention that converts the kinetic energy of the heart into electricity, powering implantable devices like pacemakers and defibrillators. The new technology could potentially replace batteries with surgery, reducing complications and costs.
For the first time, researchers have created carbon fibers with uniform pores, enabling greater surface area and improved energy storage. This breakthrough, achieved using block copolymers, opens up new possibilities for designing functional materials.
A research team has developed a novel method for fabricating functional bacterial cellulose through in situ fermentation of Komagataeibacter sucrofermentans. The new approach provides environmentally friendly conditions, lower production costs, and controlled distribution of functional moieties.
Scientists at the University of Pennsylvania have developed a new material called metallic wood that has the strength of titanium but is four to five times lighter. The material's porous structure can be infused with other materials, making it suitable for applications such as plane wings or prosthetic legs that also serve as batteries.
Researchers at the University of Liverpool have synthesized a flexible crystalline porous material that can change its structure in response to its environment, mimicking the properties of proteins. This breakthrough enables the design of materials that can dynamically select the structure needed for specific tasks.
Researchers at ETH Zurich have developed porous lightweight materials that approach theoretical maximum stiffness, outperforming traditional truss-based structures. These novel plate-lattice materials are stiffer, stronger, and more efficient than their counterparts, opening up new possibilities for various applications.
Researchers observed flexible changes on crystal surfaces using real-time imaging, finding porous coordination polymer crystals can dynamically change shape when introduced to guest molecules. This property makes them attractive for developing devices that selectively adsorb gas molecules.
Researchers at RUDN University have created a new method for producing hydrogen fuel using fermented flour from Chinese bread. The process produces a porous carbon material that exhibits high electrocatalytic activity, outperforming current carbon-based catalysts and comparable to metal ones.
Researchers have discovered universal energy transfer and dissipation scaling laws in impact dynamics of dust agglomerates under microgravity conditions. The findings apply to both porous and dense clumps of dust grains, revealing a surprising level of consistency in their response to impacts.
Researchers at MIT and partners have created detailed 3D images of kerogen's internal structure, improving predictions of oil and gas recovery. The study reveals that mature kerogen has smaller pores connected by a network allowing for easier extraction.
Researchers at Tohoku University create a technique to generate large amounts of giant vesicle (liposome) dispersions using a porous silicone material. The method involves adsorbing lipids into the material and squeezing out buffer solutions, producing giant vesicles with high efficiency.
Researchers have created wood sponges that selectively absorb oil from water, then can be squeezed out and used again. The sponges absorbed 16-41 times their own weight in oil, comparable to or better than other reported absorbents.
Chinese researchers developed interfacially polymerized porous polymer particles for efficient separation of low-abundance glycopeptides. The particles use hydrophilic-hydrophobic heterostructured nanopores to separate biomolecules, overcoming existing challenges in homogeneous porous materials.
Researchers at Peter the Great St. Petersburg Polytechnic University create three-dimensional porous material made of collagen and chitosan to restore bone tissue after trauma or illness. The material stimulates natural tissue growth, eliminating the need for lifelong medication.
A team at the University of Washington has developed a sustainable method to remove color from dyes in water using a sponge-like material created from wood pulp and palladium. This process can alter the dye structure and change its color to clear, allowing plants to grow normally again.
Researchers develop a multidimensional model to study tree sap transport, capturing radial variations and geometry effects. The model validates findings via numerical method, providing new insights into flow regimes and their dependence on physical parameters.
Researchers at Kyoto University have developed a new approach to create soft, porous materials with controlled porosity. By controlling the self-assembly of molecules, they were able to form an ultralight aerogel with permanent porosity, opening up potential applications in building insulation, energy storage and aerospace technologies.
Scientists have created a new type of carbon that stores more lithium ions and charges faster than current industry standard graphite. The new material, OSPC-1, has improved safety features, including not forming dendrites that can cause batteries to explode.
Researchers develop MOF, a hybrid material with porosity, enabling control over metallic nanostructures and their applications in catalysis and battery stabilization. The innovative methodology allows for precise control of material design, paving the way for diverse uses of these materials.
Researchers created 3D hierarchically organised carbon structures using a supermolecular sponge and salt, enabling rapid charging and high capacities in Lithium-ion batteries. These nano-diatoms could also be used as electrocatalysts for hydrogen production.
Scientists at KAUST have created a 3D porous material with repeating patterns of interconnected pores using a simple method. The film, made from polystyrene-b-poly(tertbutyl acrylate), shows promise for applications such as virus filtration and biological scaffolds.
A team of scientists at KAUST created a porous material with tailor-made pockets to sense noxious gases, offering a promising step toward real-world devices that can monitor air quality. The MOF-based sensor can detect sulfur dioxide at concentrations as low as parts per billion in lab tests.
A team of international scientists has created a new form of highly-efficient, low-cost insulation based on the wings of a dragonfly. The material is ultralight and porous, with a piece weighing less than a kilogram, and can be replicated at an affordable cost.
A UC3M study identifies inertia effects as key mechanisms controlling dynamic fragmentation in ductile metallic materials. This knowledge can improve manufacturing processes, reduce costs, and enhance the quality of protective structures used in industries such as nuclear power plants and aerospace sector.
Researchers create a new 'green' material made from solid wastes and natural polymers to adsorb pollutants in wastewater and air. The hybrid material outperforms activated carbon with 94% efficiency and lower embodied energy.
Researchers have created a novel non-invasive method to quantify untapped natural gas reservoirs by analyzing the compositional distribution on porous surfaces inside shale rocks. This method provides both average and deviation values of material properties, aiding decision-making in the industry.
A Brazilian startup has developed a porous silica magnetic microparticle that can selectively adsorb different molecules, allowing for efficient purification of substances in various industries. This technology reduces production costs by skipping filtration or centrifugation stages, resulting in lower costs and shorter production times.
Researchers at TU Wien have developed a method to manufacture porous silicon carbide structures with controlled porosity, opening up new possibilities for sensor technology, optical components, and biological applications. The technique allows for the creation of micro- and nanostructures with unique properties.
Scientists have developed a novel porous material with controlled porosity, which can store and separate molecules. This breakthrough material has the potential to improve catalysis, gas adsorption, and electronic conductivity, marking a significant turning point in various scientific fields.
The High-Performance Distributed Systems Lab at Kazan Federal University is developing mathematical models to unite various processes in oil reservoirs. These models aim to reduce costs and improve the efficiency of steam-assisted gravity drainage (SAGD) processes.
Scientists at Sun Yat-Sen University present advances in controlling the flexibility of MOFs for improved performance. They summarize strategies for designing/synthesizing flexible MOFs with specified structural response and dynamic behavior towards external stimuli.
Japanese researchers developed a novel phase-field model to study phase separation in binary mixtures within porous materials. The model revealed a clear relationship between demixing and wetness, influenced by the topology of the pore structure.
Hybrid mixed matrix membranes show resilience to industrial gas impurities, allowing effective CO2 capture. This finding is crucial for natural gas sweetening and post-combustion carbon capture applications.
TU Graz is awarding €2 million to the 'Mechanics, Modeling and Simulation of Aortic Dissection' project and €1.5 million to the 'Porous Materials @ Work' project to advance research in biomechanics and materials sciences. The funding will support the development of simulation models and algorithms to diagnose and treat aortic dissections.
Scientists at NIST have developed a new way to test high-performance fibers used in body armor, revealing critical damage mechanisms that lead to degradation. The technique uses positron beam analysis to characterize fiber structure, enabling the creation of more comfortable and effective vests.
Researchers prepared porous MoS2 with high specific surface area using APTES-modified SiO2 hard template and different sulfur sources. The resulting materials exhibited good performance in hydrodeoxygenation (HDO) of bio-oil, a promising route for upgrading this liquid fuel.
Researchers have created a new material that can absorb carbon monoxide more effectively than other materials, with potential applications in syngas production and reactions where CO is an unwanted contaminant. The material uses less energy to capture and reuse CO compared to existing technologies.
A new method converts tree leaves into porous carbon materials for use in high-tech electronics. The resulting supercapacitors exhibit remarkable electrical properties and potential applications in computer technology and hybrid vehicles.