Articles tagged with Catalysis
Researchers found that non-thermal plasma prevents catalyst deactivation and maintains stable performance for 30 hours. The study links performance difference to changes in surface processes on the catalyst.
Researchers have discovered that gas-solid van der Waals interactions can reshape metal surface nanostructures, challenging conventional understanding. The study found that water vapor at room temperature induces rapid migration and coalescence of Au nanoislands on Au(111) surfaces.
A self-driving chemistry lab called Flex-Cat has been developed to autonomously search for faster and more selective ways to make important industrial chemicals. The platform combines robotics, high-pressure reactors, and artificial intelligence to identify high-performing catalysts and those that can be programmed to produce different...
Researchers found that both free water and bound water slowed the intensity of pyrolysis reactions and increased biochar yield. A biomass water content of around 30% may offer a practical balance for pyrolysis, balancing biochar yield and energy demand.
Researchers at the Centre for Research in Biological Chemistry and Molecular Materials (CiQUS) have made significant advancements in understanding nucleic acids in deep eutectic solvents. This research has opened new avenues towards sustainable formulations and biomolecular materials.
A new study uses deep learning to predict how fast biochar materials break down antibiotic contaminants, offering a faster path toward cleaner water and smarter environmental remediation. The model reveals key mechanistic insights, including catalyst properties contributing 59.3% of the predictive power.
A new strategy enhances oxygen reduction in zinc-air batteries by fine-tuning an efficient catalyst. The Fe2O3/Sm2O3 heterointerface accelerates ORR kinetics by inducing charge redistribution and orbital hybridization.
Researchers developed a green catalyst from cotton hulls that can dramatically improve the ability of ozone to remove stubborn organic pollutants from water. The nitrogen-doped biochar catalyst, N-BC-800, achieved 94% removal of DEET, outperforming ozone alone and unmodified biochar.
Scientists at TU Wien have designed a new sustainable route to ammonia synthesis using metal-organic frameworks (MOFs) as catalysts. By tuning the MOF structures, they can modulate their catalytic performance, providing valuable insights into more efficient and sustainable ammonia-production technologies.
Methanol-to-hydrocarbons reactions exhibit multiscale heterogeneity due to differences in molecular diffusion, crystal structure, particle composition, and reactor conditions. This nonuniformity affects catalyst performance and product selectivity.
Researchers at Tohoku University's Advanced Institute for Materials Research have developed a method to summarize decades of scattered literature data into actionable information for catalyst design. By combining human intelligence, regression models, and AI agents, they can uncover new discoveries hidden in the literature data.
Researchers successfully engineered a novel platinum cluster catalyst that maximizes hydrogen production performance while minimizing platinum usage. The catalyst enables precise control over the number of atoms in each cluster, achieving world-leading hydrogen production per unit of platinum.
Researchers at Lehigh University developed a new gold-palladium catalysis mechanism that increases reaction rates and stabilizes catalysts. This breakthrough advances the development of more efficient bio-based chemical manufacturing processes.
Researchers achieved near-quantitative selectivity for methane oxidation to methanol, acetic acid, and other oxygenates via the Na–Auδ⁻ interface. The catalyst demonstrated high productivity and controlled in situ generation of H₂O₂ and ·OH radicals.
A deep learning model combines knowledge from different catalyst families to identify a top-performing green hydrogen catalyst. The AI correctly predicted the activity ranking of 12 tested catalysts within a previously unexplored material family.
Researchers developed high-performance catalysts that convert ortho hydrogen to para hydrogen before liquefaction, reducing energy release and partial vaporization of liquid hydrogen. This innovation is expected to contribute to the development of a hydrogen economy in Japan.
A novel chiral Brønsted acid-catalyzed PED reaction provides an efficient route to access chiral benzannulated carbocyclic frameworks. The method enables the synthesis of azaarene-containing adducts with good yields and excellent enantioselectivity.
Researchers at TU Wien have shown that water molecules' structures impact charged particles in electrochemistry. The team found that ions with stronger effects on surrounding water create more order, leading to lower entropy and reduced attachment to surfaces.
Researchers challenged thermodynamic-based framework for catalyst design and proposed new principle focusing on declining efficiency of solid-phase electron transport. They designed homonuclear cobalt-cobalt dual-atom catalyst DA-CoCo, significantly enhancing charge transport in solid intermediates, validating the new design principle.
Researchers have developed a new computational workflow combining generative AI with atomistic simulations to identify promising platinum alloy catalyst structures for hydrogen fuel cells. The method produces high-performing candidates from several material combinations, addressing a longstanding challenge in catalyst design.
Researchers from the University of Jyväskylä emphasize the importance of multiscale modeling in understanding and developing electrochemical processes. The study highlights the need for a thorough understanding of methods used and reactions studied, as computational tools can reliably model phenomena on different scales.
Researchers at Tohoku University discovered that hollow nanoreactors can work more efficiently when transport into the reaction space is slightly restricted. This new insight allows for optimized reactions in confined spaces, potentially producing everyday products more efficiently and at a lower price.
A research team has uncovered the atomic-scale understanding of how water drives structural reconstruction in oxide catalysts. The study reveals distinct hydroxylation pathways for different CoOx nanostructure initial structures in the presence of water.
Researchers propose atomically dispersed U−O−Ti bimetallic active sites for high-efficiency PEC OER catalysis, achieving a 3.82-fold enhancement compared to pristine TiO2. The material exhibits excellent structural stability and operational safety.
Researchers identify strong Brønsted acid site (BAS) in fluorinated γ-Al₂O₃ using advanced solid-state NMR techniques. The site is present only on fluorinated alumina and exhibits exceptional robustness, enhancing catalytic activity and aromatization performance.
Researchers at Nagoya University have developed a new method called SMART that accelerates enzyme evolution and reduces costs by accelerating the selection period from weeks to days. The system uses mRNA display, next-generation sequencing, and bioinformatics to identify superior enzyme variants.
Researchers developed a Fe-Mg dual-atom catalyst that regulates spin states to optimize the oxygen reduction reaction, achieving exceptional electrocatalytic metrics and surpassing platinum benchmarks. The optimized catalyst delivers outstanding stability and viability for real-world applications.
Scientists at the University of Minnesota have discovered a powerful new method for controlling the electronic behavior of metals by adjusting film thickness at the nanometer scale, which can tune surface work function by over 1 eV.
Researchers developed a platinum-based catalyst supported on oxygen-vacancy-rich cerium oxide (Pt/CeO2–Vo) to enhance hydrogen activation. The catalyst achieved a pyrrolidone yield of 95.2% within one hour, with high formation rates and excellent stability.
A new cobalt-based dual-atom catalyst significantly enhances oxygen reduction reaction performance while avoiding precious metals. The catalyst achieves remarkable catalytic activity and retains durability, enabling outstanding energy performance in zinc-air batteries.
A new three-step synthesis strategy enables simultaneous control over composition and surface facets of high-entropy alloy nanoparticles. Researchers have scaled the process to produce millions of particles across unique compositions, opening a path to discovering next-generation HEA catalysts with high-index facets.
Scientists at Kyushu University have developed a simple method to produce hydrogen gas by mixing methanol with iron ions and irradiating it with UV light. The reaction produces a considerable amount of hydrogen gas comparable to that of previously reported systems, opening up new possibilities for sustainable hydrogen technologies.
Researchers at Chiba University have found that a balance between photocatalytic and photothermal processes is necessary for efficient CO2 conversion. The team achieved high rates of CO2-to-methane conversion by controlling temperature and light intensity, providing a pathway toward designing more efficient catalysts.
The São Paulo School of Advanced Science on Electrochemistry aims to strengthen proficiency in advanced techniques for next-gen batteries, catalytic interfaces & sensors. Participants will engage with renowned researchers & benefit from computational tools & instrumentation.
Researchers at Northwestern University have developed a single-step process to turn methane into methanol without high heat and pressures. The method harnesses tiny bursts of plasma to break the chemical bonds in methane, producing a cleaner-burning fuel for ships and industrial boilers.
The researchers developed an AI-based method that allows users to input natural language prompts about the materials they want to create and suggests optimal procedures for experiments to produce them. The method has been successfully applied to identify catalysts for turning carbon dioxide and hydrogen into carbon monoxide and water u...
A team from Dalian Institute of Chemical Physics proposed an atomic-to-macro multiscale electrode design to achieve high-efficiency and long-life hydrogen production. The design features abundant atomic heterointerfaces and tri-scale porosity, enhancing water electrolysis and improving mass transfer efficiency.
Scientists have tracked oxygen spillover in catalysts using environmental transmission electron microscopy and observed bulk oxygen spillover for the first time in Ru/rutile-TiO2 catalysts. The research provides new approaches for utilizing catalyst bulk, enabling it to contribute to mass transfer during catalytic reactions.
Researchers discover that catalyst supports facilitate nitrogen activation by capturing and transferring active nitrogen species, bypassing metal particles. This mechanism boosts ammonia synthesis efficiency and provides new insights for catalyst design.
Researchers at Tohoku University have made significant progress in precise nanoscale construction of g-C₃N₄ catalysts, which enables efficient photocatalytic H₂O₂ evolution. The study highlights the importance of nanoarchitectonics in scaling up industrial production.
A research team from the Dalian Institute of Chemical Physics has developed a novel strategy for direct electrocatalytic ethylene epoxidation using a platinum single-atom catalyst. The catalyst enhances EO production efficiency by stabilizing superoxo species, achieving a Faradaic efficiency of 74% and a partial current density of 71 m...
Researchers at DGIST have developed a novel catalytic technology that can easily assemble key structural frameworks of bioactive compounds exclusively in the desired mirror-image form. The technology uses an inexpensive nickel catalyst to synthesize β-methylene carbonyl derivatives, which are crucial for pharmaceuticals.
Researchers developed a highly efficient dual-copper catalyzed asymmetric tandem reaction for synthesizing chiral N-unprotected cyclic imine esters, achieving excellent stereoselectivity and high substrate universality. The method demonstrates potential in medicinal chemistry and has shown significant antiviral activity.
Researchers developed a nitrogen-doped biochar that enhances ozone-based water treatment efficiency by over 100 times, removing persistent pollutants like DEET. The catalyst also shows strong performance against pharmaceuticals and herbicides, offering a promising solution for tackling emerging contaminants.
Researchers developed an AI tool to predict how effectively biochar materials break down antibiotics, offering a faster and smarter way to design environmental cleanup technologies. The framework accurately estimates reaction rates and provides scientific insights into material characteristics that influence performance.
The team successfully developed a multifunctional catalyst incorporating palladium and copper complexes on mesoporous silica, enabling the efficient activation of ketones and allyl alcohols. This process accelerates the allylation reaction by up to a factor of 15.5 compared to previous catalysts.
A new catalytic strategy using hydroxyl-induced cobalt oxide enables efficient conversion of syngas to light olefins through Fischer-Tropsch synthesis. The catalyst achieved high CO conversion and light olefin selectivity, with carbon utilization efficiency reaching up to 13%.
Researchers developed a method to predict how metal strain influences adsorption energies and reaction barriers, enabling the design of strain-engineered catalysts with desired properties. They found that electronegativity is closely correlated with the energetic response to lattice strain.
Researchers developed microfluidic synthesis of polymer microspheres with tunable shape and surface area, enhancing metal loading, mass transfer, and synergistic catalysis. Open-hole Ag-Pt microspheres delivered the strongest performance in converting toxic pollutants into valuable products.
Researchers have developed a novel solar-driven co-upcycling strategy that enables the synergistic valorization of waste polystyrene and elemental sulfur. The approach integrates clean solar energy with the high-value utilization of industrial byproducts, resulting in the conversion of plastic waste into high-value chemicals.
Researchers developed a perovskite-type ceramic catalyst that maximizes ethanol-to-hydrogen conversion through exsolution of nickel nanoparticles. The study demonstrated the importance of calcination temperature in controlling catalyst performance.
The €30 million ASCEND project aims to accelerate catalyst discovery using Digital Catalysis and thin-film technologies. By combining AI with physical synthesis and stress testing, the project seeks to unlock performance breakthroughs for commercially viable large-scale deployment of green hydrogen and sustainable chemicals.
Researchers developed a new type of engineered biochar that can deliver oxygen in a controlled and stable way, overcoming limitations of current materials. The phosphate-modified biochar demonstrated strong environmental adaptability, making it suitable for complex natural environments.
A collaborative research team has developed a gas-induced structure evolution strategy to create a 'self-transforming' catalyst that selectively converts CO2 into carbon monoxide. The catalyst achieves a targeted shift in product selectivity, increasing the CO/CH4 ratio and enhancing CO selectivity.
Scientists have developed a novel catalyst that enables efficient conversion of CO2 into formate, which is widely used across industries. The catalyst, comprising Co atoms confined within the MoS2 lattice, shows superior catalytic activity and selectivity compared to traditional materials.