Researchers evaluate the latest applications of single-atom catalysts in five challenging 'holy grail' reactions, achieving selective production of valuable chemical products. Advanced spectroscopic techniques and DFT calculations help understand reaction mechanisms and structure-activity relationships.
Researchers from Dalian Institute of Chemical Physics propose a new strategy for CO electrolysis to acetate, achieving high selectivity and efficiency. The study reveals the potential of constructing metal-organic interfaces to tailor reaction microenvironments and selectively produce acetate.
A new electrochemical route converts N2 and O2 in air to HNO3 with high efficiency, avoiding traditional high-temperature processes. The process produces 141.83 μmol·h−1·g−1 of HNO3 productivity.
Researchers developed direct conversion of methane with oxygen at room temperature using edge-rich MoS2 catalyst, achieving up to 4.2% conversion rate and 99% selectivity for C1 oxygenates. The unique binuclear molybdenum site facilitates O2 dissociation and activates C-H bond.
Researchers developed atomic Ru electrocatalysts with regulated spatial distribution and electronic structure in V-doped tungsten bronze, exhibiting remarkable HER performance. The unique integration of atomic Ru promotes tight interaction with the material, enhancing HER activity.
Metal organic framework nanosheets were found to optimize the morphology and texture of zinc anodes, reducing dendrite formation and side reactions. This enables efficient ion flux decoupling and improves cycling performance at both low and high rates.
Scientists discovered oxygen production from vacuum ultraviolet photodissociation of sulfur dioxide, a possible trigger for the Earth's Great Oxidation Event. The study found that this process contributed to transient oxygen accumulation in the primitive atmosphere.
Researchers developed a heterogeneous photocatalytic system using cadmium sulfide nanosheets to realize borylation reactions involving N-heterocyclic carbene boranes (NHC-BH3). The process enables the synthesis of high-value transformations under room temperature and light conditions.
A study led by Prof. ZHANG Fuxiang found that vanadium leaching kinetics and tetragonal phase impurities are key restrictions in BiVO4 photoanodes prepared by one-step pyrolysis method. Optimized methods achieved comparable performance to two-step methods, paving the way for scalable PEC water splitting.
A team of researchers from Dalian Institute of Chemical Physics has developed a microbial platform for efficient lignocellulose bio-refinery in yeast. The system can produce valuable chemicals like fatty acids and 3-hydroxypropionic acid, overcoming limitations in xylose assimilation and glucose repression.
A novel catalyst design approach converts waste plastics into valuable monomers using photothermal catalysis fueled by clean solar energy. The integrated c-ZIF-8@SiO2 catalyst exhibits high stability and efficiency in upcycling PET into chemicals, promoting green and sustainable development.
A study published in Cell Death & Disease has characterized the cellular composition and spatial architecture of tumor microenvironment in human multiple primary lung cancers. The researchers identified a previously undescribed sub-population of epithelial cells, CLDN2+ alveolar type II (AT2), specifically enriched in MPLCs.
Researchers have developed a Cu/CeO2 catalyst that efficiently converts NO to NH3 under visible light. The catalyst works by promoting the decomposition of an intermediate molecule, which leads to enhanced NH3 production.
Recent research reviews highlight the benefits of metal sulfides in photocatalysis, including enhanced stability through heterojunction formation. Various synthesis methods are discussed, along with applications in simultaneous redox reactions and environmental remediation.
Researchers developed a novel strategy to activate metal sites in high entropy oxides, improving their catalytic performance. The optimized catalyst exhibits higher CO2 conversion and discharge/charge capacities with excellent cycle stability.
Researchers review carbon-based ORR catalysts, focusing on active site fabrication, stability, and porous structure effects. They analyze causes of catalyst deactivation and strategies to improve stability and anti-poisoning properties.
Researchers developed a novel method for photocatalytic water splitting by regulating the built-in electric field of nitrogen-deficient polymeric carbon nitride (PCN) on polyhedral SrTiO3. This synergistic approach improves charge transfer and light absorption, leading to enhanced overall water splitting efficiency.
A new strategy has been developed to enhance photocatalytic water oxidation by introducing a charge-transfer mediator. The mediator, partially oxidized graphene, reduces charge recombination and prolongs the lifetime of photogenerated charges.
A new glycosidic-bond-based mass-spectrometry-cleavable cross-linker has been developed to improve data analysis throughput and identification accuracy of cross-linking information. This technique enables in-vivo cross-linking of protein complexes in live cells, achieving large-scale and precise analysis of 1,453 proteins.
Researchers developed a glycan identification method based on nanopore single-molecule sensing through derivatization strategy. The method identified different glycan isomers, varying lengths, and branched simple glycans. It revealed cation-π interactions contributing to sensing and paving the way for glycan sequencing
A sustainable, insoluble, and chiral photonic cellulose nanocrystal patch enables calcium ion (Ca2+) sensing in sweat. The researchers developed a simple method to fabricate CNC-based hydrogels, which exhibit freeze resistance, strong adhesion, good biocompatibility, and high sensitivity to Ca2+.
Researchers observed strong crystal phase-dependent activity of MnGaOx in direct syngas conversion. The HCP oxide remained unchanged after reduction, while the FCC solid solution oxide transformed into a spinel structure with improved catalytic performance.
A new method has been developed to detect hydrogen cyanide (HCN) in exhaled breath, which is associated with Pseudomonas aeruginosa infection in cystic fibrosis patients. The flow-assisted photoionization mass spectrometry method enables real-time tracking of HCN concentrations, allowing for early screening and diagnosis.
Researchers developed a high-performance 2D pseudocapacitive multi-electron reaction lithium storage material, exhibiting high capacity and ultrafast charging capabilities. The material showed improved electronic and ionic conductivity, reducing polarization and increasing overall energy density.
Researchers at Dalian Institute of Chemical Physics have developed an air-breathing cathode for alkaline nickel-zinc batteries, improving cycling stability and energy efficiency. The novel battery exhibits ultra-long lifespan and high energy efficiency, surpassing conventional Ni-Zn batteries.
Researchers from Dalian Institute of Chemical Physics developed a strategy to inhibit lithium dendrite growth on modified 3D carbon film. Uniform bottom-up Li deposition behavior was achieved, enabling stable lithium stripping/plating cycling up to 4000 hours.
Researchers have engineered yeast Ogataea polymorpha to produce fatty alcohols from sole methanol by coupling peroxisomal metabolism. This approach improves cellular fitness and enables high-level production of up to 3.6 g/L. The study provides a feasible engineering strategy for sustainable production of fatty alcohols.
Researchers found that single-atomic state of Pd enhances CO2 reduction and boosts CH4 production in a novel Pd/CN-SA catalyst. Comprehensive analysis reveals superior activation of CO2, negative conduction band potentials, and excellent hydrogen utilization efficiency.
A new photocatalyst, COF-TpHt, is designed to improve the efficiency of hydrogen peroxide production. It exhibits a high production rate and apparent quantum efficiency under visible-light irradiation, outperforming other organic and inorganic counterparts.
Researchers at Dalian Institute of Chemical Physics have developed a new method to synthesize higher alcohols from syngas using synergistic iron carbide catalysts. The catalysts achieve a high oxygenate selectivity and produce a significant amount of higher alcohols, making this process a promising alternative for sustainable production.
Researchers have developed high-performance, low-cost electrocatalysts through defect engineering to improve metal-based battery efficiency. The review highlights strategies for introducing defects into electrode materials and characterization technologies, as well as design principles for optimizing electrochemical performance.
A research team at Dalian Institute of Chemical Physics reveals the synergistic interplay mechanism of dual active sites on bimetallic oxide for efficient syngas conversion. They identified key intermediates and proposed a catalytic mechanism using advanced solid-state NMR technologies.
A study by Dalian Institute of Chemical Physics reveals two competitive channels for the photoionization of dichloromethane under VUV light irradiation. The dominant photodissociation channel produces Cl radicals that react with CH2Cl2 to form CHCl2+.
Researchers propose a 'C-C bond-first' strategy to convert biomass into liquid hydrogen carriers, releasing H2 on site. The approach prioritizes C-C bond breaking for high photocatalytic hydrogen production and storage.
Researchers investigated NiFe-based catalysts for water oxidation in different pH electrolytes, revealing a clear pH-dependent OER activity. The study found that forming high-valent Ni3+ and Fe4+ species requires higher potential in neutral and near-neutral conditions compared to alkaline conditions.
Researchers observed accelerated hydrogen spillover via surface-lattice-confinement effect on MnO and Mn3O4 monolayers. This acceleration was found to be up to four times faster than on Mn3O4, with a uniform O-O distance favoring hydrogen diffusion.
A research group has reported efficient near-infrared photon upconversion sensitized by lead-free semiconductor nanocrystals, demonstrating its novel application in solar synthesis. The study achieves external quantum efficiency of 16.7% and enables rapid organic synthesis under indoor sunlight.
Researchers analyze molecule-electron-proton transfer phenomenon in enzyme-photo-coupled catalytic systems (EPCS) and its comparison with natural photosynthesis. They propose a new strategy to strengthen mass/energy coupling, leading to improved conversion efficiency.
A study reveals the mechanism behind a selective switch from ethylene to acetate production in high-rate CO2/CO electrolysis. Researchers found that *CO coverage and local pH induced this switch, with acetate formation favored at high *CO coverage and high local pH.
Researchers have developed a novel hybrid catalyst that combines enzymatic and single-atom catalysis, achieving high efficiency in one-pot chemoenzymatic reactions. This breakthrough simplifies chemical production and separation processes, offering a promising strategy for efficient synthesis of pharmaceutical intermediates.
Researchers have discovered light-driven CO2 assimilation by PSII core complex, producing methanol and oxygen. This finding significantly modifies our understanding of photosynthesis' mechanisms.
Research team led by Prof. Lin Zhuang found that guanine modification boosts CH4 production and suppresses C2 product formation in electrochemical CO2 reduction. The results suggest a direct correlation between surface proton transfer capability and CO2 reduction selectivity.
Researchers demonstrate that a dual-site cooperative catalytic mechanism on Ru-S-C single-atom catalyst significantly enhances electrochemical nitrogen reduction. The Ru/S dual site facilitates the activation and first protonation of N2 in the rate-determining step, leading to improved activity and selectivity.
Scientists successfully initialized, controlled, and read out spins in colloidal quantum dots at room temperature. The breakthrough paves the way for scalable and sustainable spin-based quantum information processing.
Researchers have developed new electrocatalysts using theoretical guidance, accelerating the process and improving performance. Key findings include structural-activity laws and descriptors for catalyst activity.
This study employs machine learning to analyze existing experimental results and predict the device performance of metal halide perovskite solar cells. The authors applied shapley additive explanations (SHAP) analysis to understand the correlations between fabrication processes, composition, and device performance.
Researchers used in-situ vibrational spectroscopy to study CO2 electroreduction reaction mechanisms and intermediates, revealing key insights into catalyst structure and electrolyte effects. The review highlights recent advances and future directions for this field.
Researchers create dendrite-free Li metal anodes using porous MXene lattices and ultra-thick LFP cathodes, achieving unprecedented areal capacity and energy density. The 3D printed batteries outperform current state-of-the-art lithium-ion batteries.
Researchers found that adding water increases selectivity of 2,3-butanediol generation by 57%. Hydrogen bonding stabilizes radical intermediates, avoiding oxidation and promoting selective coupling. The study reveals non-chemical bonding interactions can steer reaction paths for selective photocatalysis.
Scientists used single-cell integrative secretion profiling technology to map the interaction between neurons and immune cells, revealing heterogeneity in secreted factors and their roles in regulating neuronal function. The study found that infiltrating macrophages inhibit neuronal secretion of exosomes, while microglia promote neuros...