Economía Circular
Economía Circular
A Light‐Driven Closed‐Loop Chemical Recycling System for Polypinacols
29/06/2025 -
This study presents a novel strategy for the photochemical closed‐loop recycling of hydroxyl‐rich polymers. Simple bis‐aldehyde precursors are employed to synthesize polypinacols via UV light...
Constructing Asymmetric Sn‐Cu‐C Interface via Defective Carbon Trapped Atomic Clusters for Efficient Neutral Nitrate Reduction
25/06/2025 -
This work constructs asymmetric Sn‐Cu‐C interface via anchoring SnCu atomic clusters on carbon defects. Such as‐synthesized SnCu‐DG catalyst achieves a high NH3 Faradaic efficiency (99.5%)...
Unlocking NIR‐II Photoluminescence in 2D Copper Tetrasilicate Nanosheets through Flame Spray Synthesis
13/06/2025 -
A flame‐spray‐pyrolysis method is presented to synthesize ultra‐bright CTS nanosheets with tunable NIR‐II emission. Achieving quantum yields up to 34%, these materials support high‐speed...
Pyrolysis‐Free Covalent Organic Polymer Efficiently Driving Proton‐Exchange‐Membrane Fuel Cells by Covalent Grafting Strategy
09/06/2025 -
A covalent grafting strategy is proposed to fabricate a lamellar COP network COP@G, which is achieved by edge‐functionalizing COP with aromatic primary amine groups, followed by diazotization...
Co‐Pyrolysis of Calophyllum inophyllum Seeds and Polypropylene: Thermokinetics and Batch Studies
09/06/2025 -
This study explores co‐pyrolysis of Tamanu seed (TS) and waste polypropylene (PP) from saline bottles for sustainable energy. Process optimization, product characterization, kinetic modeling...
Sustainable Hard Carbon for Sodium‐Ion Batteries: Precursor Design and Scalable Production Roadmaps
01/06/2025 -
This review emphasizes sodium‐ion batteries' potential, highlighting hard carbon anodes, precursor selection by volatility, and sustainable strategies (e.g., bamboo‐based materials) for scalable,...
Atomic Scale Engineering of Multivalence‐State Palladium Photocatalyst for Transfer Hydrogenation with Water as a Proton Source
22/05/2025 -
Photocatalytic transfer hydrogenation is achieved over a multivalence‐state palladium photocatalyst, in which protons generated from photocatalytic water splitting are added to unsaturated double...
Multi‐Generational Frontal Curing and Chemical Recycling of Polydicyclopentadiene Thermosets
16/05/2025 -
Frontal polymerization meets chemical recycling: repeated rapid frontal curing, deconstruction, and chemical regeneration of polydicyclopentadiene thermosets are enabled by a small amount of a...
Plastic and rubber polymers in urban PM10 by pyrolysis–gas chromatography–mass spectrometry
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Microplastics, including tyre and road wear particles, have been detected in every environmental compartment in both urban and remote areas. However, their contribution to atmospheric particulate...
Entropy‐Driven Stabilization of Noble Metal Single Atoms: Advancing Ammonia Synthesis and Energy Output in Zinc‐Nitrate Batteries
06/05/2025 -
This study proposed an innovative entropy‐driven strategy, demonstrating that the (CePrYZrHf)Ox high‐entropy oxide substrate can accommodate more Ru single atoms than the traditional...
Active Hydrogen Enrichment on Cu6Sn5‐type High Entropy Intermetallics for Efficient Nitrate Reduction Reaction
06/05/2025 -
Nanoporous (Cu0.25Ni0.25Fe0.25Co0.25)6Sn5 high entropy intermetallic compound achieves excellent performance for ammonia electrosynthesis, allowing electrocatalytic nitrate reduction in a wide...
Low‐Temperature Pyrolysis: A Universal Route to High‐Loading Single‐Atom Catalysts for Fuel Cells
03/04/2025 -
This work develops a molten salt strategy for synthesizing single‐atom catalysts at 450 °C via LiCl/KCl‐mediated Fe2+/Zn2+ exchange on nitrogen‐doped carbon substrates. By stabilizing Fe2+...
Pyrolysis-GC/MS differentiates polyesters and detects additives for improved monitoring of textile labeling accuracy and plastic pollution
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Polyesters comprise the greatest proportion of textile fibers and are found in various everyday goods; hence, polyester fibers are a significant source of microplastic pollution and textile waste....
Tracking Dynamics of Supported Indium Oxide Catalysts in CO2 Hydrogenation to Methanol by In Situ TEM
23/03/2025 -
Combining in situ scanning transmission electron microscopy imaging with machine learning‐based image analysis, this study directly visualizes and tracks dynamic restructuring in reducible oxide...
Facile Synthesis of Fe0.64Ni0.36/NiFe2O4/CeO2‐Codoped Bamboo Powders‐Derived Porous Carbon Composites with Optimized Impedance Matching for Enhanced Microwave Absorption Performance
27/02/2025 -
The microstructure and electromagnetic properties of the composites are effectively controlled by adjusting the heat treatment temperature and magnetic components. Benefiting from the multiple loss...
Rapid and Large‐Scale Synthesis of High‐Crystalline Imide Covalent Organic Frameworks Accelerated by Self‐Generated Water
12/02/2025 -
A facile, rapid, scalable, and low‐cost self‐accelerated method to synthesize imide covalent organic frameworks (COFs) is developed. This synthetic method is performed under solvent‐free and...
Lattice‐Strain Engineering of High‐Entropy‐Oxide Nanoparticles: Regulation by Flame Spray Pyrolysis with Ultrafast Quenching
26/01/2025 -
This study introduces a continuous‐flow flame spray pyrolysis method for tuning lattice strain in high‐entropy‐oxide nanoparticles. By varying the cooling rates of quenching, tensile strain...
Hybrid Preceramic Aerogels for Oil and Solvent Cleanup
22/01/2025 -
This study introduces monolithic hybrid aerogels. Despite differing drying methods, materials, processed as polymeric and ceramic‐polymer hybrids, exhibit high porosity (90 vol%) and high...
Biopolymer‐Based Flame Retardants and Flame‐Retardant Materials
08/01/2025 -
This review presents recent advancements in producing sustainable flame‐retardant materials using biopolymers as additive agents, functional coatings, and structural matrices. The focus is on...
Interfacial Water Regulation for Nitrate Electroreduction to Ammonia at Ultralow Overpotentials
08/01/2025 -
A hydroxide regulation strategy is proposed for optimizing the interfacial H2O behavior for accelerating the hydrogenation conversion of nitrate to ammonia at ultralow overpotentials. The...
Transforming Plastics to Single Atom Catalysts for Peroxymonosulfate Activation: Axial Chloride Coordination Intensified Electron Transfer Pathway
05/01/2025 -
A graphene‐based single‐atom catalyst with atomically dispersed FeN4Cl sites (Fe─N/Cl─C) is produced from high‐density polyethylene and applied in peroxymonosulfate (PMS) activation and...
