A straightforward strategy is designed for the fabrication of CuFe2O4-graphene heteroarchitecture via a one-step hydrothermal route to allow multifunctional properties, i.e., magnetic cycling, high photocatalytic activity under visible light irradiation, and excellent electrochemical behaviors use as anode in lithium-ion batteries (LIBs). Transmission electron microscopy (TEM) observations indicate that graphene sheets are exfoliated decorated with hexagonal CuFe2O4 nanoflakes. The...

A cobalt ferrite–polyaniline photocatalyst is successfully prepared by in situ oxidative polymerization. The excellent magnetic properties of CoFe2O4 are maintained the composite to some extent, and therefore can be separated easily an external field. significant adsorption observed case anionic dyes neutral because negatively charged groups or electron-rich these undergo chemical interactions with positively backbone polyaniline (PANI). Such helps promoting photodegradation dyes. It...

Abstract Developing highly efficient and low‐cost catalysts is an endless challenge in the field of producing H 2 from ammonia borane (AB). Herein, manufacture yolk‐shell CuO‐Co 3 O 4 @Co nanocomposites are reported by using Cu O@CuO as a template, which encapsulated into Co hollow nanocubes. Due to unique morphology built‐in electric (BIEF) induced interface, display remarkable catalytic activity AB methanolysis. The turnover frequency (TOF) 24.8 min ‐1 absence light significantly increases...

Vigorously developing an integrated energy system (IES) centered on the utilization of hydrogen is a crucial strategy to achieve goal carbon peaking and neutrality. During conversion process, storage releases large amount heat. By integrating heat recovery mechanism, we have developed sophisticated model that accommodates multiple operational conditions maximizes recovery, thereby enhancing efficiency use supply side. To harness potential load-side response, demand response (IDR) accounting...

Polyoxymethylene dimethyl ethers (PODEn) were synthesized via the reaction between dimethoxymethane (DMM) and trioxymethylene catalyzed by CT175, a macroporous strongly acidic cation-exchange resin. The influences of conditions such as catalyst types, temperature, time, pressure, dosage, mass ratio DMM to also investigated. Under optimized m(dimethoxymethane):m(trioxymethylene) = 2.5:1, CT175 (7.5 wt.%), 90°C, 0.5 h, 1.5 MPa, conversion selectivity PODE3-8 was obtained high 89.0% 64.2%,...

A metal- and base-free protocol for one-pot synthesis of 2,5-diaryl 1,3,4-oxadiazoles via a radical-promoted cross-dehydrogenative coupling strategy was developed. This reaction involved the N-acylation aryl tetrazoles with aldehydes, followed by thermal rearrangement. wide range aldehydes survived conditions to deliver corresponding products in moderate good yields.

C–H arylation reactions under visible light in aqueous medium catalysed by a PANI-g-C₃N₄-TiO₂composite have been developed.

Effective disposal of radioactive iodine has been a persistent challenge in nuclear fuel recycling. Herein, we synthesized series micro-/mesoporous hierarchical adsorbents by the zeolitic imidazolate framework-67 (ZIF-67) nanocrystal growth onto siliceous mesocellular foams (MCFs) with functional amino groups. The combination both benefits microporous ZIF-67 and mesoporous MCF allows for obtaining nanoscale ZIF-67@MCF hybrid materials, featuring enhanced porosity, good crystallinity,...

Hollow micro-/nanostructures are an extremely important type of materials with many applications in different areas. In this work, we have prepared sea-urchin-like hollow CuMoO4–CoMoO4 hybrid microspheres numerous nanorods on the surface by a template-free approach. The possible formation mechanism for microstructures is proposed based experimental results. As catalysts hydrolyzing ammonia borane (AB) H2 production, exhibit ultrahigh catalytic performance turnover frequency 104.7 molhydrogen...

Catalytic conversion of CO2 with the surplus glycerol (GL) produced from biodiesel manufacturing has attracted much academic and industrial attention, which proves urgent requirement for developing high-performance catalysts to afford significant environmental benefits. Herein, titanosilicate ETS-10 zeolite-based active metal species introduced by impregnation were employed coupling GL efficiently synthesize carbonate (GC). The catalytic at 170 °C miraculously reached 35.0% a 12.7% yield GC...

ABSTRACT Supercritical CO₂ foaming effectively forms a uniform cellular structure in polylactic acid (PLA) beads by utilizing the high diffusion rate and solubility of polymers. In this study, PLA are modified with chain extender (CE) composed ethylene glycidyl methacrylate, while thermoplastic polyurethane (TPU) serves as heterogeneous nucleating agent. After being foamed supercritical CO, compression molded into foam blocks. The volume expansion ratio PLA/TPU/CE foams increases 12.5‐fold,...

A transition-metal-free synthetic approach for constructing alkylated aryl tetrazoles has been developed using n-Bu4NI as the catalyst and t-BuOOH oxidant. It involves direct C–N bond formation through sp3 C–H activation. wide range of benzylic substrates (or alkyl ethers) undergo this reaction smoothly to deliver corresponding products in good yields.

Regioselective 2,6-halogenation of BODIPYs in hexafluoro-2-propanol (HFIP) afforded products less than 5 min. Halogenated were subjected to Pd-catalyzed cross-coupling reactions form novel meso-alkyl polymeric BODIPY dyes.

Abstract A palladium‐catalyzed, one‐pot synthesis of unsymmetrical aryl alkyl thioethers involving halides (aryl bromides and chlorides), thiourea has been realized under mild conditions (room temperature to 50 °C) in water with polyoxyethanyl α‐tocopheryl sebacate (PTS) as amphiphile. The PTS/water could be recycled up eight runs without an obvious change its activity.

A facile synthesis procedure was built to synthesize zeolitic imidazolate frameworks (ZIFs) ZIF-8 and ZIF-69 under ambient conditions with the prevention of organic solvents. adsorbent first introduced in liquid-phase separation hexane isomers. sieving test carried out using samples n-hexane (nHEX) or 2-methylpentane (2MP) over two ZIFs commercial 5A zeolite materials. According batch adsorption performances modeling, exhibits highest selectivity capacity for nHEX, followed by zeolite. The...

TiO2-modified Pd/SiO2 catalysts (TixPd/SiO2) have been prepared using wet impregnation and characterized with N2 adsorption, X-ray diffraction, transmission electron microscopy, temperature-programmed reduction. Their catalytic performance was examined for hydrodeoxygenation (HDO) of guaiacol as a model component bio-oil. A smaller Pd particle size obtained by the addition TiO2, which may contribute to high conversion on TixPd/SiO2. strong interaction between TiO2 occurred when were reduced...

A magnetically recyclable Cu-BTC@Fe₃O₄-catalyzed synthesis of <italic>S</italic>-aryl phosphorothioates using aniline as the aryl source and sulfur powder has been developed.

Abstract A simple and efficient protocol for the electrophilic thiocyanation of indoles aromatic amines with thiourea/NCS/NH 4 SCN system has been developed. The major features present procedure are mild conditions, good yields, short reaction times, use inexpensive readily available organocatalyst. Moreover, N ‐chlorosuccinimide (NCS) was found to be indispensable, thiourea could greatly promote reaction.