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.
A research team has revealed quantum interference between direct and indirect reaction pathways in the photodissociation of partially deuterated water, demonstrating that interference can occur even within a single reaction path. This finding suggests a new route to control nonadiabatic dynamics in chemical reactions.
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.
Scientists developed a high-spatial-resolution mass spectrometry imaging method to study lipid metabolism heterogeneity during drug-induced cell apoptosis at the single-cell level. The method achieved a spatial resolution of approximately 800 nm, allowing researchers to profile alterations in the cell membrane microenvironment and meta...
Researchers at Dalian Institute of Chemical Physics have identified a novel proton shuttle-assisted triplet energy transfer mechanism, enhancing the rate and efficiency of spin-triplet migration. The discovery has profound implications for modern molecular technologies involving spin-triplet excited states.
Single-atom catalysts (SACs) have emerged as a promising class of catalytic materials capable of addressing challenges in selective hydrogenation. Experimental advances and mechanistic insights highlight their potential to deliver high efficiency and selectivity with minimal metal usage. The review also discusses challenges and opportu...
A novel design strategy has been proposed to efficiently synthesize methanol from CO2, decoupling active sites through a strong metal-support interaction. This approach enables a significant increase in methanol yield compared to conventional catalysts.
A novel strategy to regulate the buried interface through multifunctional molecular bridges enables efficient defect passivation and improved energy-level alignment. This results in improved efficiency and long-term stability of perovskite solar cells.
A study published in Environmental Science & Technology reveals distinct roles of NO2 versus NO in β-myrcene photooxidation and their synergistic interactions with SO2. NO2 enhances SOA yield and increases oxygen-to-carbon ratio, while NO suppresses particle nucleation and promotes particle growth.
A team of researchers from Dalian Institute of Chemical Physics developed a novel catalyst enabling thermocatalytic conversion of N2 and H2 to NH3 at room temperature and ambient pressure. The Li/Ru interface exhibits a synergetic effect promoting N2 activation and hydrogenation steps.
A team of researchers achieved efficient bicarbonate-mediated integrated carbon dioxide capture and electrolysis to produce CO, reducing energy consumption and improving process performance. The new process couples CO2 capture with electrocatalytic conversion, enabling a closed-loop cycle.
A team led by Prof. CHEN Qing'an developed a phosphordiamidate-catalyzed strategy for the selective synthesis of 1,3-, 1,4-, and 2,3-dihalogenation products. The method achieves regioselective dihalogenation under mild conditions with broad substrate compatibility and functional group tolerance.
The study introduces a conformational isomer strategy to precisely tune nitrogen atom positions in covalent organic frameworks, enhancing photocatalytic hydrogen evolution performance. The imine-linked COF-I2 exhibits superior performance due to the synergistic effect between Pt clusters and single atoms.
Researchers from Dalian Institute of Chemical Physics determined the structural motifs of water undecamer cluster, including three low-energy configurations. The study provides crucial insights into the evolution of water's hydrogen-bond network and paves the way for size-dependent studies on solvation processes.
Researchers have uncovered the microscopic mechanism of alkali species dissolution in water clusters using a new spectroscopy station. The study found that only three water molecules can separate Ba and OH in neutral BaOH clusters, and this process is facilitated by hydrogen bonding and electrostatic interactions.
Researchers have identified three distinct distribution patterns of alkali metal cations at the reaction interface, which correspond to electrostatic adsorption, specific adsorption, and quasi-specific adsorption. The team clarified the physicochemical origin of the alkali metal cation effect and proposed new insights for designing nex...
Researchers developed a comprehensive database and trained machine learning models to predict catalyst performance. They discovered a zeolite catalyst with ultra-high initial ethene selectivity, achieving 100% methanol conversion and 87.6% combined ethene and propene selectivity.
Researchers discovered spin density symmetry breaking in single-atom catalysts significantly improves hydrogen evolution reaction performance. The approach lowers reaction barriers and increases turnover frequency by up to 40-fold, offering a generalizable framework for catalyst design.
A BiVO4 photoanode modified with a highly electronegative fluoride ion shows enhanced adsorption and activation of CH3OH molecules. The formed V–F bond promotes O–H fracture and activates the C–H bond, leading to improved selectivity and efficiency for HCHO production.
Scientists optimize kinetic pathways of active hydrogen generation at Cu2O/Cu interfaces to enhance nitrate electroreduction to ammonia. The Co₀.₁₀-Cu₂O/Cu catalyst exhibits exceptional performance, achieving high yields and selectivity in NITRR.
Researchers summarize current understanding of water-molecular sieve interactions affecting catalytic reaction processes. Water-induced reversible and irreversible structural changes impact aluminosilicate and SAPO frameworks.
A team of researchers developed a modular and programmable fatty acid synthesis platform that enables high specificity production of medium-chain fatty acids in yeast. The engineered strain achieved a titer of 708.6 mg/L, comparable to the abundance in coconut and palm kernel oils.
Researchers developed a novel aqueous electrolyte, MASSE, which improves AZMBs stability and reversibility at elevated temperatures. The multiphase design suppresses side reactions and promotes uniform zinc ion deposition, enabling stable battery operation in harsh thermal environments.
Researchers developed a copper-palladium bimetallic catalyst that produces high-quality ammonia through an electrochemical nitrate reduction reaction. The catalyst's dynamic Cu-PdH x interface sites exhibit superior intrinsic activity, achieving remarkable production rates and durability.
A team of researchers has developed a robust hydrogen-bond network in electrolytes to enhance the performance of aqueous zinc-ion batteries. The new design minimizes the reactivity of water molecules, suppressing deterioration on both electrodes and achieving long-lasting cycling stability with high capacity retention.
Researchers unraveled the active phase evolution and driving mechanisms of VPO catalysts under formaldehyde-acetic acid condensation conditions. The study revealed that VPO catalysts rich in V4+ phases show higher selectivity for acrylic acid.
Researchers developed a potassium-based Cu-SSZ-39 catalyst with increased Al concentration in 8-membered rings, enhancing NOx conversion at low temperatures and retaining activity after hydrothermal ageing. The work presents an effective strategy for tailoring Al distribution in zeolites to improve NH3-SCR performance.
Researchers found that sulfur, traditionally seen as a 'poison', can boost the performance of hydroformylation catalysts by up to twofold. The new approach harnesses sulfur in controlled amounts to reduce unwanted byproducts and increase selectivity.
Research reveals PtRu alloys achieve higher HOR activity by dynamically matching spatial distribution of active sites and interfacial water orientation, reducing solvent reorganization energy. This study employs density functional theory calculations and ab initio molecular dynamics simulations to elucidate the electrocatalytic mechanism.
Researchers developed a novel bromine-based two-electron transfer reaction system to improve zinc-bromine flow batteries. The new system achieves high energy density and long lifespan with ultra-low bromine concentration, reducing electrolyte corrosivity.
A team of researchers developed a comprehensive framework for electric vehicle (EV) range prediction and intelligent management using real-world data. The framework, which incorporates driving behavior, ambient temperature, and battery State of Health, improves prediction accuracy by up to 30%.
Researchers developed a NTP-enhanced Ce-Co catalyst, achieving high soot conversion and CO2 selectivity at low temperatures. The results demonstrate the potential of NTP to activate lattice oxygen in redox reactions.
Researchers developed a Cu-Zn-Ce ternary catalyst using an innovative urea-assisted grinding strategy, overcoming interfacial limitations and achieving high CH3OH selectivity. The active site is identified as a composite structure consisting of Cu0-Zn2+-Ov-Ce3+, where Zn species donate electrons to Cu, enhancing CO2 activation.
Researchers developed a yeast cell factory to convert methanol into L-lactate, a monomer for biodegradable plastics, and demonstrated the economic and environmental value of this process. The minimum selling price of L-lactate was found to be $2.29/kg with annual capacity of 18,500 tons.
Researchers identified Cu(100) grain boundaries as key active sites for efficient CO electroreduction. The discovery provides insights into the synergistic role of crystal planes and grain boundaries in promoting C2+ product formation.
Researchers discovered that cobalt-induced asymmetric electronic distribution breaks the symmetrical electron distribution in transition metal sulfides, resulting in highly efficient photocatalytic hydrogen evolution. The NiCoS cocatalysts exhibit an enhanced H2 production activity of 2702.96 μmol g−1 h−1.
Researchers have designed a new catalyst that exhibits excellent catalytic performance in CO oxidation reactions. The introduction of high-entropy components optimizes the electronic structure, promoting the adsorption of CO and O2 molecules on the catalyst surface.
Scientists developed a new type of AEM composite membrane that achieves over 2,400 hours of stable operation through membrane-electrode interface engineering. The optimized structure enhances OH- transport and current density, demonstrating strong potential for industrial application.
Researchers demonstrated a method to enhance biosynthetic capacity in Saccharomyces cerevisiae by extending cellular lifespan, resulting in increased sclareol production. The strategy combines lifespan engineering with metabolic pathway optimization, showing improved product synthesis and robustness.
The study introduces a promising methodology for elucidating dynamic and heterogeneous chemical signatures across evolving solid-liquid interfaces. Researchers used cryo-XPS to analyze the native SEI composition, revealing a mixed organic-inorganic structure.
A novel S-scheme heterojunction photocatalyst, MCS/IS, efficiently degrades antibiotic contaminants in water. The catalyst also reduces the toxicity of breakdown products, addressing a critical challenge in environmental remediation.
Researchers designed a NiO@NiAlO catalyst with a surrounded structure modified by MgO, achieving high activity for near-equilibrium conversion. The obtained catalyst maintained stability for over 50 hours without coking at 600°C.
Researchers developed a new photocatalytic material combining cobalt, reduced graphene oxide and perylene tetracarboxylic acid for efficient water oxidation. The heterojunction design shows improved charge separation and catalytic activity.
Researchers found that a highly dispersed NaVO3 catalyst can selectively convert methyl chloride into vinyl chloride with high efficiency. The study's results provide direct experimental evidence for the role of metal oxyacid active sites in coupling catalysts, offering insights into the design of advanced coupling catalysts.
The team engineered FLPs within Ce-MOFs using defect-rich materials, achieving high conversion rates and low activation energy. The approach provides a blueprint for designing non-precious-metal hydrogenation catalysts.
Researchers developed a new class of catalysts based on perovskite materials, achieving high acetaldehyde yields and stable performance. The optimized Au/LaMn0.75Cu0.25O3 catalyst exhibits improved cooperation between gold, manganese, and copper ions.
Researchers developed a Ru-Co single-atom alloy catalyst for efficient amination of alcohols, showcasing improved activity and selectivity over traditional methods. The alloy structure promotes reduction reactions and reduces intermediate adsorption, leading to enhanced catalytic performance.
A study reveals two competing nitrogen activation pathways in negatively charged metal tricarbon clusters, including cleavage and chemisorption. The research provides molecular-level insights into developing efficient catalysts for dinitrogen fixation.
A research team has achieved high-efficiency ethylene electrosynthesis from acetylene by optimizing the interparticle distance of Cu cubes in gas diffusion electrodes. The study demonstrates the key role of mesoscopic mass transport in electrocatalysis, enabling efficient production under industrially relevant conditions.
A team of researchers achieved efficient PET-RAFT polymerization using low-toxicity copper indium selenide (CuInSe2) quantum dots, extending the excitation into the shortwave infrared region. The hybrid system effectively triggered polymerization through biological tissue.