Articles tagged with Crystallization
Researchers developed a Prussian blue-based strategy to regulate crystallization and ion migration in perovskite solar cells, achieving high power conversion efficiencies. The strategy controlled crystallization and suppressed ion migration, promoting preferential crystal growth and alleviating tensile lattice strain.
Researchers investigated the softening transition of a NiCoCr-based high-entropy alloy and found that stress-driven grain boundary migration is the primary driving force behind catastrophic softening. The study provides a quantitative framework to deconvolute stress-driven and thermally driven contributions to high-temperature softening.
A research team tracked the crystallization process of HZO thin films in real-time, revealing that oxygen vacancies affect the material's performance. Films with fewer oxygen vacancies crystallized at lower temperatures and formed the ferroelectric phase required for information storage more favorably.
Researchers developed a new method to improve the fabrication of self-assembled monolayers (SAMs) through blade coating, enabling large-scale manufacturing of high-efficiency perovskite solar cells. The approach enhances device reproducibility and stability by suppressing SAM aggregation.
Northwestern University chemists have developed a new approach that replaces traditional trial-and-error methods with intentional design using flexible DNA strands. The strategy enables precise control over protein connections, creating soft, flexible crystals with high structural order. This breakthrough simplifies one of structural b...
Researchers developed a one-pot synthesis strategy for hierarchical ZSM-5 catalysts that can improve catalyst lifetime during microwave-assisted catalytic pyrolysis of plastic waste. The study found that crystallization temperature strongly controlled the catalyst's pore structure, acidity, morphology, and lifetime.
Researchers developed an additive design strategy to control crystallization in all-perovskite tandem solar cells, achieving a certified power conversion efficiency of 30.3%. The strategy promotes homogeneous nucleation and uniform crystal growth, improving film uniformity and reducing defects.
Researchers at Rice University have developed a method to make perovskite-based photovoltaics more durable by adding two key ingredients, skipping the yellow phase and degrading slower. The films retain 98% of their initial efficiency even after 1,200 hours of exposure.
Researchers at NYU's Department of Chemistry have discovered a way to assemble complex DNA structures without sticky ends, using shape alone to guide assembly. This breakthrough enables the creation of varied 3D structures made entirely out of DNA, with potential applications in optical, electronic, and biomedical technologies.
Researchers developed a simple and reversible method for forming crystals using light-sensitive molecules, allowing for precise control over particle attraction and repulsion. This enables the creation of adaptable materials with tunable properties, such as reconfigurable optical coatings and adaptive sensors.
Researchers quantify interactions of P407 micelles in PBS to understand gelation behavior and release mechanisms. The study reveals stronger attractive forces between micelles in saline, affecting gel stability and structural fluctuations.
A team of researchers studied the effect of antisolvent addition rate and initial solute concentration on localized liquid-liquid phase separation in a ternary water/ethanol/butylparaben system. Their findings show that high antisolvent addition rates and high initial solute concentrations enhance the likelihood of LLPS, highlighting t...
Researchers have developed a simple crystallization method that achieves chiral resolution under mild conditions, enabling the production of homochiral inorganic crystals. The study uses organic solvents and an achiral crystalline phase to control the growth environment, resulting in single-handed forms of cesium copper chloride.
Researchers have demonstrated altermagnetism in RuO₂ thin films, a promising new magnetic material for high-speed, high-density memory devices. The discovery overcomes limitations of conventional ferromagnets and has the potential to enable more energy-efficient information processing.
A UH crystals expert has shown how to bend and twist crystals without physical force, using a molecule called a tautomer. This discovery has potential applications in drug delivery and material properties, such as optoelectronics and soft robotics.
A new mathematical framework, STIV, can predict larger-scale effects like proteins unfolding and crystals forming without costly simulations or experiments. The framework solves a 40-year-old problem in phase-field modeling, allowing for the design of smarter medicines and materials.
A team of materials scientists at Rice University developed a new way to grow ultrathin semiconductors directly onto electronic components using chemical vapor deposition. The breakthrough technique eliminates the fragile manufacturing step, potentially speeding up development of next-generation electronics and computing.
Researchers developed a new class of 2.5D MOFs using triptycene-based molecules, enabling high-quality single crystals for detailed structural and functional studies. The materials exhibit strong electronic and magnetic correlations in the interlayer direction, paving the way for next-generation MOF-based technologies.
Researchers have developed a modified near-infrared annealing process that turns blade-coated perovskite films into record-performing solar modules in just 20 seconds. The process slashes processing time by 30 times and halves energy use while delivering superior film quality.
Researchers developed a strategy to control high-concentration precursor crystallization, enabling the formation of thick, high-quality perovskite films that minimize photon loss. The optimized bifacial solar cells achieved record-breaking power conversion efficiency and outstanding operational stability.
Scientists have developed a novel CT-ICT system that utilizes a pyrazinacene derivative to facilitate reversible color-changing properties. The system, which co-crystallizes with naphthalene, demonstrates a dramatic color shift from greenish-blue to red-violet.
Researchers at Zhejiang University developed a novel 3D-printed hydrogel that can easily switch its Young's modulus from kPa to GPa through on-demand crystallization. The hydrogel exhibits a hardness of 86.5 Shore D and a Young's modulus of 1.2 GPa, surpassing current 3D-printed hydrogels.
A new type of smart polymer has been created that mimics the flexibility and stiffness of medieval chainmail. The material, made up of interlocking rings, can bend without breaking while maintaining exceptional stiffness, making it a potential game-changer for next-generation protective gear.
Researchers developed a streamlined process for converting CO₂ into carbon monoxide with record-breaking efficiency, cutting down processing time from 24 hours to 15 minutes. The new method uses low-cost pigment-based catalysts and offers a promising pathway for carbon neutral energy production.
Scientists precisely dated the formation of the Moon's largest impact crater, the South Pole-Aitken Basin, to 4.25 billion years ago using Chang'e-6 samples. The discovery provides critical insights into the early history of the Moon and the Solar System.
Researchers at Swiss Federal Laboratories for Materials Science and Technology (EMPA) solve the molecular einstein problem, revealing a unique arrangement of chiral molecules on silver surfaces. The discovery sheds light on the properties of these molecules and their potential applications in physics.
Researchers at New York University developed a mathematical approach, Crystal Math, to predict molecular crystal structures in hours, bypassing weeks or months of supercomputer processing. This breakthrough could speed up R&D for drugs and electronic devices.
Researchers developed a new process to create high-performance polymer blends with improved mechanical properties. The process forms stable nanocrystalline layers at the interfaces between different polymer phases, enhancing the transfer of mechanical stresses and increasing tensile properties.
Fadi Abdeljawad's team finds that triple junctions, where three nanocrystals meet, are key to maintaining stability and strength of materials. This discovery could lead to designing better nanocrystalline alloys for aerospace and energy industries.
Researchers from Göttingen University identified the low crystallisation temperatures and groundwater origin of amethyst geodes in northern Uruguay. The study proposes a new model explaining their formation, which could improve exploration techniques and lead to sustainable mining strategies.
A UCL-led research team has crystallized the first alternative DNA structure from the insulin gene, revealing its shape and structure. The discovery suggests that different variants in the insulin gene can form different DNA structures, which could affect insulin function and potentially play a role in diabetes development.
Researchers at New York University create a new method to see inside crystals, revealing the position of every unit and creating dynamic three-dimensional models. This technique allows scientists to study crystals' chemical history and form, paving the way for better crystal growth and photonic materials.
RMIT researchers have found that the liquid-solid boundary can fluctuate back and forth, with metallic atoms near the surface breaking free from their crystal lattice. The phenomenon occurs at unexpectedly low temperatures and is observed up to 100 atoms in depth.
A study published in Nature Communications reveals unusual patterns of small and large particles in a model liquid, which can affect the formation of ideal glass. The findings raise doubts about whether this model liquid can be considered an ideal glass-forming liquid.
Researchers studied fondant creation using automated kneading machines and light microscopy, linking it to theoretical physics models. The team found that different preparation methods influence fondant structure and texture, enabling better prediction and control.
A study from Smithsonian researchers deepens understanding of Earth's crust by testing and eliminating the garnet hypothesis about why continental crust is lower in iron and more oxidized. The findings suggest that intense heat and pressure cannot produce the necessary conditions for garnet formation, contradicting a popular explanation.
A team of researchers at Helmholtz-Zentrum Berlin has developed a new method for producing perovskite solar cells using a slot die coater, resulting in high-power conversion efficiencies. The best cells were scaled up to mini-module size and tested for outdoor stability, showing promising results.
Researchers have discovered how peptides can self-assemble on solid surfaces, enabling the design of hybrid biomolecular nanodevices. The breakthrough uses peptide engineering and molecular recognition to create a seamless interface between biology and technology.
Researchers have developed a smart contact lens capable of implementing AR-based navigation using a novel electrochromic display technology. The device uses Prussian blue to display directions to the user in real-time, overcame limitations of existing AR devices.
MIT engineers develop a new purification method using bioconjugate-functionalized nanoparticles to rapidly crystallize proteins, reducing the cost of manufacturing protein drugs. The approach has shown promising results in isolating lysozyme and insulin, with faster crystallization times and increased nucleation rates.
A team of scientists from Arizona State University predicts that silicon-rich crystals will rise in the Earth's outer core, forming 'snow' that can affect seismic velocity anomalies. The research, published in Nature, uses a new method to simulate high-pressure and high-temperature conditions expected for the core.
The researchers aim to create a set of tools to help other chemists select and produce the right crystal structures for new drugs, potentially saving time and cost. By understanding how molecules crystallize, they hope to speed up the development process and lower costs.
Scientists have created a novel approach to produce phase-pure quasi-2D Ruddlesden–Popper perovskites, enabling highly efficient and spectrally stable deep-blue-emissive perovskite LEDs. The rapid crystallization method yields high-performance devices with an emission wavelength centered at 437 nm.
Physicists at Ural Federal University have developed a theory regulating the solidification of iron-nickel alloys to control characteristics and improve uniformity. This technology will affect high-precision instruments like clocks, seismic sensors, and engines.
Researchers at UT Austin developed a semicrystalline polymer that combines strength and flexibility, overcoming challenges of mixed materials in robotics and electronics. The new material is 10 times as tough as natural rubber and can be controlled with light.
Scientists developed a novel cell-free protein crystallization (CFPC) method that allows rapid and direct formation of protein crystals without purification processes. The technique has enabled the analysis of unstable proteins, increasing knowledge of cellular processes and functions.
Researchers at Idaho National Laboratory have developed a dimethyl ether-driven process for selectively separating rare earth elements and transition metals from magnet wastes. This method significantly reduces energy and product consumption compared to traditional methods.
A team of researchers from NIST, UW-Madison, and Argonne National Laboratory identified key compositions that enable consistent 3D-printing of 17-4 PH stainless steel with favorable properties. The new findings could help producers cut costs and increase manufacturing flexibility.
Researchers from the Institute of Industrial Science, The University of Tokyo, found that preordering significantly influences crystal growth and nucleation. Their study proposes modifications to address shortcomings in classical nucleation theory.
A team of researchers from Tokyo University of Science has developed a novel multi-proton carrier complex that shows efficient proton conductivity even at high temperatures. The resulting starburst-type metal complex acts as a proton transmitter, making it 6 times more potent than individual imidazole molecules.
Researchers at NIMS and Osaka University successfully fabricate nickel single crystals with minimal crystalline defects, paving the way for widespread use in heat-resistant jet engine components. The technique eliminates grain boundaries, resulting in stronger high-temperature materials.
Scientists have discovered a novel way to prevent the formation of ice crystals in ice cream by adding cellulose nanocrystals. The additive, which is more effective than current stabilizers, works by stopping the growth of ice crystals and slowing down their recrystallization process.
Scientists discover that corals produce CaCO3 in compartments shielded from seawater, explaining differences in resilience to ocean acidification. Variations in crystallization rates among species contribute to varying levels of sensitivity.
Researchers have pushed the limit of when water will freeze to -44 C by using soft interfaces like gels or lipids. This discovery has significant implications for climate prediction, cloud conditions, cryopreservation of organs, and technologies exposed to icing conditions.
Researchers from The University of Tokyo Institute of Industrial Science used computer simulations to study the aging mechanism that can cause an amorphous glassy material to turn into a crystal. By removing tiny irregularities in local densities, they found that it prevents atomic avalanches that trigger ordered structure formation.
Researchers found that the stability of an amorphous metal alloy's structure is disrupted by mechanical influences, leading to crystalline inclusions. The alloy retains useful properties at pressures below 400 gigapascals before experiencing rapid crystallization and loss of structural integrity.
Siddha Pimputkar, an assistant professor at Lehigh University, has received the American Association for Crystal Growth (AACG) Young Scientist Award for his outstanding contributions to crystal growth. His research focuses on synthesizing bulk and thin-film single-crystal nitrogen-containing materials.
Researchers at Osaka University found that silver nanoparticles induce crystallization in clathrate hydrates, a potential application for latent heat storage materials. The study may lead to improved efficiency in solar energy and heat recovery technologies.
Researchers developed new methodologies to analyze evanescent wave-induced scattering in transmission SAXS for semi-crystalline polymers. The methods provided information on lamellar thickness and long period of lamellar stacks.
A combined molecular dynamics and experimental study reveals a two-step process that enables the formation of phase-pure α-FAPbI3 at lower temperatures. The researchers used metadynamics to simulate the transformation from PbI2 to perovskite, which was confirmed by in situ x-ray and thin-film experiments.