By controlling solvent molecules' residence, researchers boost cyclohexene conversion in zeolite catalysts without modifying their structure. The study reveals a
Triplet excited states in organic molecules play crucial roles in various applications. Researchers have identified a molecular strategy for balancing competing requirements in organic donor-acceptor systems, controlling conformational dynamics to determine triplet generation efficiency. The study reveals that an intermediate donor-acc...
A new catalyst design boosts Pt fuel-cell performance and durability, tackling the ORR trilemma with record-breaking results. The WN-metal-N-C platform provides a practical roadmap for next-gen, low-platinum fuel cells.
Researchers develop a dual-interface coordination orchestration strategy to enable high-energy aqueous zinc-iodine batteries, overcoming challenges in four-electron I chemistry. The approach improves reversibility and stabilizes the Zn electrode, leading to stable cycling and high energy density.
A research team developed a method for intermolecular asymmetric dearomatizing photocycloaddition using chiral metal-organic cages, enabling precise control over regioselectivity, diastereoselectivity, and enantioselectivity. The reaction exhibited broad substrate generality and high yields.
A CuAu alloy electrocatalyst promotes selective HMF to HMFCA conversion with optimal surface processes, enabling simultaneous anodic HMFOR and cathodic HER. The catalyst achieves ultralow cell voltage and high efficiency for biomass upgrading and hydrogen production.
Researchers unveil a powerful strategy to enhance photocatalytic hydrogen production by manipulating linkage isomerism within covalent organic frameworks (COFs). COF-DPPQ achieves a 100-fold increase in catalytic performance, optimizing internal electric field and carrier lifetime. The study provides a generalizable paradigm for develo...
A new plasma-catalysis process converts nitrogen (N2) and methane (CH4) into alkylamines, ammonia, and hydrogen under mild conditions. The study achieves high co-conversion efficiency by leveraging the synergy between plasma activation and catalyst adsorption.
Researchers developed a hollow CdS@polydopamine nanoreactor that integrates biomimetic features, enabling efficient H2O2 synthesis under visible-light illumination. The nanoreactor overcomes kinetic mismatch between oxygen reduction and water oxidation half-reactions.
A highly efficient PtIn nanoalloy catalyst supported on Sn-MFI zeolite was developed for the selective oxidation of glycerol to lactic acid. The optimized catalyst achieved 96.8% glycerol conversion with 73.1% lactic acid selectivity under base-free conditions, showcasing a new strategy for designing efficient, low-Pt-loading catalysts.
Researchers discovered that only three water molecules are sufficient to trigger a configuration transformation of the core skeleton from Sr2(μ2-OH)2(HO)1 to Sr2(μ2-OH)3, providing new insights into hydration mechanisms. This structural transition is driven by deformation energy and stabilizes the structure through rearrangement of hyd...
A new MoS2-based catalyst has been developed to overcome the limitations of conventional MoS2 catalysts in hydrogen evolution reactions. The catalyst, created using a dual-site substitution strategy, achieves outstanding performance at large current densities in acidic electrolytes.
A new study tracks the spatiotemporal evolution of photogenerated holes in a facet-engineered bismuth vanadate photocatalyst. The research reveals three sequential steps: ultrafast charge separation, defect-state trapping, and rapid interfacial hole transfer mediated by oxygen-related defects.
Researchers have discovered a wavelength-dependent photo-driven pathway for ammonia synthesis over lithium hydride, which decouples two conflicting reaction steps. The study provides fresh insight into mild, solar-driven nitrogen fixation and other energy-intensive catalytic processes.
Researchers have created a novel Pt-Fe bimetallic catalyst that exhibits remarkable catalytic metrics, maintaining propylene selectivity over 95% and regenerability. The framework anchoring effect of iron species suppresses thermal sintering of Pt centers, ensuring atomic dispersion under high-temperature conditions.
A new ruthenium nanoparticle catalyst supports on a nitrogen-doped carbon framework enables stable and efficient hydrogen production. The design incorporates spatial confinement, anchoring sites, and electronic modulation to facilitate alkaline HER performance.
Researchers have resolved the atomic-scale interplay between hole transfer dynamics and water oxidation intermediates on faceted BiVO₄ particles. A critical hole density threshold dictates pathway bifurcation, with the (010) facet becoming catalytically superior above this threshold.
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.
Researchers have made significant progress in vanadium flow battery technology, overcoming challenges such as limited stack power density, electrolyte stability issues and high material costs. The team has improved the techno-economic performance and engineering readiness of VFB systems through integrated innovation and collaboration w...
Researchers found that oxygen spillover drives silver transport by forming mobile Ag−O δ− species, while the electric field controls the direction and speed of silver migration. This dynamic restructuring enhances the oxygen evolution reaction by creating more active triple-phase boundaries.
Researchers from the Dalian Institute of Chemical Physics have discovered the molecular mechanism behind V(II) precipitation in vanadium electrolytes. By introducing acetonitrile and HCl as co-additives, they created a dual-site solvation engineering strategy that boosts electrolyte stability at low temperatures.
Researchers have developed a direct one-step synthesis of cyclohexanone cyanohydrin using nitrogen, methane, and cyclohexanone under mild conditions. The new method achieves high selectivity, yield, and formation rate, offering a new strategy for efficient utilization of inert small molecules.
Researchers develop Ru@Bi/N-C catalyst for electrocatalytic hydrogenation of lignin, achieving 93.64% conversion and selective cleavage of lignin linkages. The catalyst-electrolyte synergistic strategy enables efficient biomass valorization.
A research team from the Dalian Institute of Chemical Physics developed a free-standing ultrathin porous polymeric membrane that offers high selectivity and conductivity. The membrane was tested in a vanadium flow battery and achieved outstanding electrochemical performance, exceeding 80% energy efficiency.
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.
Researchers have developed a new electrolyte design paradigm for constructing low-temperature-resistant lithium metal batteries. The 'polarity-contrast' electrolyte strategy constructs a stable, anion-dominated solvation structure at low temperatures by modulating ion-dipole interactions.
A new strategy for single-cell spatial proteomics has been developed using an ordered colloidal crystal chromatographic column, improving analytical throughput while maintaining deep proteome coverage. This approach enables the identification of up to 2,304 proteins from a single hepatocyte slice within 5 minutes.
Scientists have created a highly efficient Mn-based catalyst for ammonia synthesis, overcoming scaling relationships and improving performance. The new catalyst enables N₂ dissociation through a hydride-assisted mechanism, resulting in higher ammonia synthesis rates.
Researchers have developed a defect-engineered TiO2/Zn0.5Cd0.5S S-Scheme heterojunction for enhanced photocatalytic H2 evolution, achieving superior efficiency and stability. The synergistic integration of oxygen vacancy and S-scheme charge transfer pathways enhances light absorption, electron separation, and redox capacity.
Researchers discovered a novel Fe-N-C protective layer that enhances the stability of platinum-based fuel cell catalysts. The 'core-shell' design shields platinum from corrosion and creates a powerful electronic interaction at the interface.
Scientists have discovered key structural units—BO, BO₃, and B₂O₅—in neutral boron oxide clusters that are essential building blocks of the two-dimensional vitreous network. These findings provide important insights into the microstructure and growth mechanisms of vitreous materials.
Researchers identified strong Brønsted acid sites in fluorinated γ-Al₂O₃ using state-of-the-art NMR techniques. These sites enhance catalytic activity and aromatization performance, directly linking atomic-scale structure to macroscopic behavior.
The team developed the world's first gas-solid hydride ion prototype battery (g-HIB), which uses hydrogen gas and a metal as electrodes. The battery can store hydrogen under ambient temperature and pressure through an innovative mechanism, offering high efficiency and practicality.
Researchers developed S-NiFe-LDH catalysts with sulfur doping to optimize active sites for efficient urea oxidation. The incorporation of sulfur lowers the thermodynamic barrier, enhancing activity and kinetics. This work presents a cost-effective strategy for advancing sustainable hydrogen production.
Researchers developed a core-shell Pd@CeO2/γ-Al2O3 three-way catalyst for stoichiometric NGV exhaust treatment, achieving high conversion rates and low temperature activity. The core-shell design strengthens metal-support interactions, increases oxygen vacancies, and optimizes the Pd-CeO2 interface as a primary active site.
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.
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.
A bimetallic NiFe catalyst was designed to overcome the activity-selectivity trade-off in furfural hydrogenation. The introduction of Fe creates synergistic active sites, boosting selectivity toward furfuryl alcohol from 38% to >90% at nearly full conversion.
Researchers developed a lattice-matching strategy to address charge transfer efficiency and selectivity issues in traditional photoelectrocatalytic systems. The resulting composite photoanodes achieve high DHA selectivity and glycerol conversion rates, demonstrating strong potential for industrial application.
A new photocatalytic system with enhanced activity for benzimidazole synthesis and H2 production has been developed. The defect-engineered Pt/Nb2O5-VO photocatalyst promotes dehydrogenation of ethanol to form radicals, which then facilitate the selective synthesis of desired products.
A new catalyst developed by Soochow University researchers exhibits a remarkable C2+ Faradaic efficiency of 80.3%, outperforming other Cu-based catalysts. The introduction of carbene species enhances the tandem synergy, increasing surface coverage of CO intermediates and facilitating C-C coupling reactions.
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.
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...
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%.
A new catalyst enhances the photocatalytic conversion of CO2 and H2O into CO by integrating synergistic Pd single atoms and clusters. The unique structure improves electron transfer efficiencies and accelerates proton-coupled electron transfer for CO2 reduction. The results demonstrate improved CO production rates with high selectivity.
A new electrochemical liquid ammonia decomposition system achieves high current density and low overpotential, showcasing remarkable durability. The Ru nanoparticle catalyst enables stable hydrogen evolution for over 100 hours in a two-electrode configuration.
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.
A recent study reveals that confinement can enhance enzyme intrinsic activity through enthalpy effect and entropy effect, promoting improved preorganization of the active site. This effect has been observed in two model systems, BSLA and PETase, suggesting potential universality.
Researchers at Dalian Institute of Chemical Physics introduced a novel method to stabilize Fe oxide catalysts using ceria surface overlayers, promoting the formation of active Fe3O4 and suppressing over-reduction. This approach enhances stability compared to traditional industrial catalysts.