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Novel and facile fabrication of hydrophobic sponge for the efficient adsorption of marine crude oil by photothermal conversion

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Polymer 2025年 329卷

作者： Zhang, Di Zhao, Jingyuan Zhang, Tong Yue, Kai Zhao, Ruirui Fu, Hiroshi Zhang, Songnan State Key Laboratory of Advanced Separation Membrane Materials/ School of Chemical Engineering and Technology Tiangong University Tianjin300387 China Ministry of Education Key Laboratory for Advanced Textile Composite Materials/ School of Textile Science and Engineering Tiangong University Tianjin300387 China Co. Ltd. Jiangsu Nantong226000 China

With the acceleration of the globalization of world maritime trade, the oil is largely transported. Whereas, the oil spill inevitably occurs during transportation. This not only causes the waste of energy, but also has a huge impact on the ecology. Therefore, it is imperative to develop efficient adsorbent to recover the leaked crude oil. In this study, a new and facile adsorption material was introduced for the treatment of offshore crude oil leakage. This material combined the hydrophobic modification of polydimethylsililane (PDMS) with the loadings of graphene (GR) and ferriferrous oxide (Fe3O4) over melamine sponge (MS), providing it with excellent hydrophobic/oleophilic and photothermal conversion properties. It revealed that the MS/PDMS/GR + Fe3O4 presented the hydrophobic property with the water contact angle of 147° and superior self-cleaning performance, effectively separating the oil and water mixture with the separation efficiency of up to 99 %. In addition, its excellent photothermal conversion ability converted the light energy into heat energy, reducing the crude oil viscosity and improving the adsorption efficiency. Under one sun illumination (1.0 kW m−2), the adsorption capacity of the MS/PDMS/GR + Fe3O4 for the high viscosity crude oil reached to 20.7 gcrude oil/gsorbent, and the surface temperature of sample was more than 60 °C. This material exhibited excellent recycling properties after 10 adsorption and extrusion cycles, and displayed exceptional photothermal stability during light switch cycles (1.0 kW m−2). This MS/PDMS/GR + Fe3O4 offers novel concepts for designing and developing high-performance sorbents for the ocean oil leakage treatment. © 2025 Elsevier Ltd

关键词： Marine pollution

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Polyhalogenated heterocycle additive induced in-situ 3D gelatinous polymerization with polysulfides for shuttle effect inhibited lithium-sulfur batteries

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Chemical engineering Journal 2025年 513卷

作者： Ma, Xingkai Song, Xinmei Wang, Yaoda Liang, Junchuan Shen, Tianyu Wu, Zuoao Qin, Lina Li, Huan Yu, Tianchen Wang, Huaizhu Tie, Zuoxiu Yan, Yichao Sun, Lin Jin, Zhong State Key Laboratory of Coordination Chemistry MOE Key Laboratory of Mesoscopic Chemistry MOE Key Laboratory of High Performance Polymer Materials and Technology Jiangsu Key Laboratory of Advanced Organic Materials Suzhou Key Laboratory of Green Intelligent Manufacturing of New Energy Materials and Devices Tianchang New Materials and Energy Technology Research Center Institute of Green Chemistry and Engineering School of Chemistry and Chemical Engineering Nanjing University Jiangsu Nanjing210023 China School of Chemistry and Chemical Engineering Yancheng Institute of Technology Yancheng224051 China

Lithium-sulfur (Li-S) batteries hold immense promise for achieving high energy density and cost-effectiveness;however, they are plagued by rapid capacity fade and decreased efficiency due to the polysulfide shuttle effect. Herein, we report the introduction of a small molecule additive, tetrachloropyrimidine (TCPy), into ether-based electrolytes to trigger in-situ 3D gelatinous polymerization with polysulfides. The chlorine atoms in TCPy initiated nucleophilic substitution reactions with formerly soluble polysulfides, leading to the formation of an insoluble 3D-crosslinked and gelified organosulfur polymer network that effectively inhibits the polysulfide shuttle effect and preserves high active sulfur content. The abundant nitrogen sites in TCPy exhibit high conductivity and strong chemical adsorption towards polysulfides, thus further enhancing the kinetics of sulfur redox reactions. Consequently, the incorporation of TCPy additive in the electrolyte significantly mitigates the capacity degradation caused by polysulfide shuttling, and dramatically improves the rate capability and cycling stability of Li-S batteries, without reducing the active sulfur content in the cathode. This study underscores the enormous potential of additive-induced in-situ gelatinization strategy for effectively binding, blocking and sequestering polychalcogenides, thereby elevating the overall performance of rechargeable alkali metal–chalcogen batteries. © 2025 Elsevier B.V.

关键词： Redox reactions

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Fine-grained titanium mediates the biointerfacial and bioenergetic remodeling of macrophage for optimized osseointegration

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材料科学技术（英文版） 2025年第5期208卷 292-306页

作者： Yingjing Fang Hao Gu Wenyue Yang Yintao Zhang Changgong Lan Binghao Wang Min Ruan Liqiang Wang Yuanfei Fu Department of Prosthodontics Shanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineCollege of StomatologyShanghai Jiao Tong UniversityNational Center for StomatologyNational Clinical Research Center for Oral DiseasesShanghai Key Laboratory of StomatologyShanghai Research Institute of StomatologyShanghai Engineering Research Center of Advanced Dental Technology and MaterialsShanghai 200011China Departments of Oral and Maxillofacial-Head and Neck Oncology Shanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineCollege of StomatologyShanghai Jiao Tong UniversityNational Center for StomatologyNational Clinical Research Center for Oral DiseasesShanghai Key Laboratory of StomatologyShanghai Research Institute of StomatologyShanghai 200011China Department of Prosthodontics Shanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineCollege of StomatologyShanghai Jiao Tong UniversityNational Center for StomatologyNational Clinical Research Center for Oral DiseasesShanghai Key Laboratory of StomatologyShanghai Research Institute of StomatologyShanghai Engineering Research Center of Advanced Dental Technology and MaterialsShanghai 200011China State Key Laboratory of Metal Matrix Composites School of Material Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240China Affiliated Hospital of Youjiang Medical University for Nationalities Youjiang Medical University for NationalitiesGuangxi Key Laboratory of Basic and Translational Research of Bone and Joint Degenerative DiseasesGuangxi Biomedical Materials Engineering Research Center for Bone and Joint Degenerative DiseasesBaise 533000China Departments of Oral and Maxillofacial-Head and Neck Oncology Shanghai Ninth People's HospitalShanghai Jiao Tong University School of MedicineCollege of StomatologyShanghai Jiao Tong UniversityNational Center for StomatologyNational Clinical Research Center for Oral DiseasesShanghai Key Laboratory of StomatologyShang

The remodeling of macrophages mediated by biomaterials is an important step in *** biointerfacial characteristics shaped by implants and the bioenergetic state derived from macrophages are considered the key to macrophage *** this study,the integrated Ti/Zn composites with optimized morphology and bioactive phase were prepared by friction stir processing,which could meet the multi-biofunctional requirements in the application of narrow-diameter *** severe plastic deformation and the hindrance of Zn particles to grain growth promote grain refinement,resulting in enhanced mechanical *** cell interfacial adhesion mediated by the grain boundary collab-orated the energy metabolism reprogramming induced by the released Zn ion,promoting jointly anti-inflammatory cascade in macrophages and favorable osteogenesis in bone marrow mesenchymal stem cells(BMSCs).This study provides a new simultaneous approach of morphology and composition modi-fication for titanium implants,and reveals the important role of grain size and bioactive element in the reversion of macrophage fate as well.

关键词： Grain refinement Zinc Immunomodulation Osseointegration

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High-photoresponse mixed-dimensional CuOx/WSe2 p-type phototransistor with van der Waals interface

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Applied Physics Reviews 2025年第2期12卷

作者： Jiang, Wengui Wu, Yonghuang Ye, Huanyu Zhou, Liang Xin, Zeqin Liu, Kai Sun, Yinghui Wang, Rongming Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science The State Key Laboratory for Advanced Metals and Materials School of Mathematics and Physics University of Science and Technology Beijing Beijing100083 China State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and Engineering Tsinghua University Beijing100084 China

Mixed-dimensional heterostructures, which utilize the complementary advantages of diverse materials, hold great promise for high-performance photodetectors. However, p-type photodetection is constrained by the scarcity of suitable photosensitive materials and challenges in interface engineering, particularly over-coupling at the hetero-interface, which significantly impacts detection performance. In this work, we present a p-type CuOx/WSe2 phototransistor that achieves both high responsivity and broad bandwidth. Using CuOx nanoparticles with abundant copper vacancies for broadband light absorption and two-dimensional WSe2 as a high-mobility channel, this device demonstrates an exceptional responsivity of up to 1.8 × 105 A/W across wavelengths from 365 to 810 nm. The high performance originates from hole injection from defect-rich CuOx into WSe2, combined with electron trapping in vacancy states. The weak van der Waals interaction at the interface effectively decouples the optical absorption (in CuOx) from charge transport (in WSe2), enabling high gain without sacrificing response speed. © 2025 Author(s).

关键词： Van der Waals forces

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Quantitatively regulated and recognized dual-precipitates of Mg-5Sn alloy through an improved twinning-aging-detwinning and strengthening mechanisms

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Journal of Magnesium and Alloys 2025年

作者： Fu, Ruihao Zeng, Ying Wan, Yangjie Qian, Xiaoying Xu, Shiwei Yin, Dongdi Key Laboratory of Advanced Technologies of Materials Ministry of Education School of Material Science and Engineering Southwest Jiaotong University Chengdu610031 China National Engineering Research Center for Magnesium Alloys Chongqing University Chongqing400044 China State Key Laboratory of Advanced Design and Manufacturing Technology for Vehicle Hunan University Changsha410082 China

The orientation of precipitates was regulated by an improved twinning-aging-detwinning (TAD) process in Mg-Sn sheets. A structure with specific proportions of dual-precipitates was regulated, significantly enhancing the material's strength. The formation mechanism of the dual-precipitates was investigated, and the evolution of precipitate orientation was confirmed. A combined SEM, EBSD and TEM method was developed to identify the coupling relationship between complex grain orientation and precipitate orientation. The orientation relationship between precipitates and the matrix could be quantitatively analyzed in the same region. Subsequently, the Orowan model was refined to quantify the strength enhancement effect following the orientation regulation of precipitates. The TAD sample containing dual-precipitates exhibited a 99.1 % increase in TYS, equivalent to an increase of 108 MPa, compared to unregulated samples A. According to Orowan calculations, the theoretical strength increment from the three strengthening mechanisms was 113 MPa, closely matching the experimental increment of 108 MPa. Notably, the materials with a specific proportion of the dual-precipitates showed a substantial increase in strength. © 2025

关键词： Precipitates

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Boron cluster-based TADF emitter via through-space charge transfer enabling efficient orange-red electroluminesce

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Chinese Chemical Letters 2025年第3期36卷 232-238页

作者： Xiao Yu Dongyue Cui Mengmeng Wang Zhaojin Wang Mengzhu Wang Deshuang Tu Vladimir Bregadze Changsheng Lu Qiang Zhao Runfeng Chen Hong Yan State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic MaterialsSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210023China Key Laboratory for Organic Electronics and Information Displays&Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Jiangsu National Synergistic Innovation Center for Advanced Materials(SICAM)Nanjing University of Posts&TelecommunicationsNanjing 210023China Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province Yancheng Institute of TechnologyYancheng 224051China College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology) Nanjing University of Posts&TelecommunicationsNanjing 210023China A.N.Nesmeyanov Institute of Organoelement Compounds(INEOS) Russian Academy of SciencesMoscow 119991Russia

Thermally activated delayed fluorescence(TADF)materials driven by a through-space charge transfer(TSCT)mechanism have garnered wide ***,access of TSCT-TADF molecules with longwavelength emission remains a formidable *** this study,we introduce a novel V-type DA-D-A’emitter,Trz-mCzCbCz,by using a carborane *** design strategically incorporates carbazole(Cz)and 2,4,6-triphenyl-1,3,5-triazine(Trz)as donor and acceptor moieties,*** calculations alongside experimental validations affirm the typical TSCT-TADF characteristics of this *** to the unique structural and electronic attributes of carboranes,Trz-mCzCbCz exhibits an orange-red emission,markedly diverging from the traditional blue-to-green emissions observed in classical Cz and Trz-based TADF ***,bright emission in aggregates was observed for Trz-mCzCbCz with absolute photoluminescence quantum yield(PLQY)of up to 88.8%.As such,we have successfully fabricated five organic light-emitting diodes(OLEDs)by utilizing Trz-mCzCbCz as the emitting *** is important to note that both the reverse intersystem crossing process and the TADF properties are profoundly influenced by host *** fabricated OLED devices reached a maximum external quantum efficiency(EQE)of 12.7%,with an emission peak at 592 *** represents the highest recorded efficiency for TSCT-TADF OLEDs employing carborane derivatives as emitting layers.

关键词： Thermally activated delayed fluorescence Through-space charge transfer Carborane Boron clusters Organic light-emitting diodes

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Trace of Atomically Dispersed Pd Enables Unprecedented Butadiene Semihydrogenation Performance Over Copper Catalyst

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ACS Catalysis 2025年第5期15卷 3810-3822页

作者： Zhao Wang Hao Yuan Jian Tao Shu-Lin Liu Ying Hong Zhi-Yi Hu Jian Zhang Bao-Lian Su The State Key Laboratory of Advanced Technology for Material Synthesis and Processing Wuhan University of Technology Wuhan Hubei 430070 P. R. China State Key Laboratory of Solidification Processing School of Materials Science and Engineering Northwestern Polytechnical University Xi’an Shaanxi 710000 P. R. China The State Key Laboratory of Advanced Technology for Material Synthesis and Processing Wuhan University of Technology Wuhan Hubei 430070 P. R. China；Laboratory of Inorganic Materials Chemistry (CMI) University of Namur 61 rue de Bruxelles Namur B-5000 Belgium

Semihydrogenation plays a key role in industrial hydrorefining of light alkenes, with a market above 400 billion by 2027. The high cost of commercial palladium-based catalysts strongly calls for innovation but with great challenges. Herein, copper nanoparticles decorated with a minimized ppm of Pd are developed through a chemical plating process to integrate the catalytic advantages of copper and palladium for achieving maximized catalysis in the semihydrogenation of a fatal impurity of butadiene in alkene feedstocks. The developed Pd–Cu catalyst (i.e., 114 ppm of Pd in Pd0.0033Cu1/TiO2) exhibits an unprecedented catalytic performance superior to commercial Pd/Al2O3, with 100% butene selectivity above 90% of butadiene conversion over 130 h on stream at 90 °C. Further exploration reveals that the atomically dispersed Pd on Cu nanoparticles, obtained at ultralow ppm levels of Pd loading, induces a hidden but critical H2trap, which concentrates H2on the Pd site for further H2dissociation that offers intermediate hydrogen atoms to the tandem butadiene semihydrogenation over the third layer of Cu atoms neighboring Pd through hydrogen spillover. Moreover, a threshold on Pd density was identified at Pd/Cu surficial atomic ratio of 1/138 (i.e., Pd0.0033Cu1/TiO2) for maximizing butadiene semihydrogenation performance, based on an extreme collaboration between Pd for H2dissociation and Cu for butadiene hydrogenation. This work provides important guidance for developing noble metal-saving catalysts in industrial applications.

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Microstructure, wear and corrosion behaviors of TC21 titanium alloy by solid powder-packing boriding and aluminizing

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Journal of Materials Research and technology 2025年 36卷 6387-6399页

作者： Yuwei Guo Ziqiang Wang Na Li Shankai Yang Yuyu Wu Yonghua Duan Ancang Yang Lishi Ma Shanju Zheng Yunping Li Faculty of Material Science and Engineering Yunnan Key Laboratory of Integrated Computational Materials Engineering for Advanced Light Alloys Kunming University of Science and Technology Kunming 650093 China State Key Lab for Powder Metallurgy Central South University Changsha 410083 China

In this work, TC21 titanium alloy was treated using solid powder-packing infiltration method with single boriding, single aluminizing and first-stage boriding and second-stage aluminizing (B–Al). The microstructure of the infiltration layer was characterized by scanning electron microscopy, X-ray diffraction, and electron probe microanalysis. The results indicate that the B–Al layer combines the microstructural characteristics of boriding and aluminizing, consisting of an outer TiB 2 layer, dispersed TiB whiskers + Al 3 Ti layer, and a diffusion transition zone. The measured hardness, wear and corrosion behaviors show that the specimen treated with first-stage boriding and second-stage aluminizing has high surface hardness, good wear resistance, and great corrosion resistance. Finally, the corrosion mechanism was also discussed.

关键词： TC21 alloy Boriding Aluminizing Boriding and aluminizing Wear behavior Corrosion behavior

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Ag-Induced Synergistic Enhancement of mechanical and shape memory characteristics in Cu-Al-Ni alloys

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Materials Letters 2025年 395卷

作者： Zhang, Jinjin Zhang, Chi Jia, Mingyong Yin, Guanchao Chen, Fei Hubei Longzhong Laboratory Xiangyang441106 China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan430070 China Hubei Technology Innovation Center for Advanced Composites Wuhan University of Technology Wuhan430070 China International School of Materials Science and Engineering Wuhan University of Technology Wuhan430070 China

This study investigates the microstructure, mechanical properties, and shape memory behavior of a series of (84-x) Cu-12Al-4Ni-xAg (x = 0, 4, 8, 12 wt%) alloys with varying Ag contents. The alloys predominantly exhibited martensitic phases: 18R and 2H, with the 18R phase becoming more prevalent as Ag was introduced. The formation of the Ag2Al phase and microstructural refinement contributed to significant improvements in mechanical properties. Notably, the alloy with 8 wt% Ag (x = 8) exhibited peak compressive strength of 947.1 MPa, the compressive strain of 14.1 %. Additionally, the inclusion of Ag enhanced the shape memory effect of the alloys, with the x = 8 alloy demonstrating a reversible strain of 4.7 % upon heating after an 8 % pre-strain. © 2025 Elsevier B.V.

关键词： Microhardness

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Balancing the Activity and Stability of Iron-Based Catalysts via Mixed Oxide Species Formation for Electrocatalytic Biomass Hydrogenation

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advanced Functional Materials 2025年

作者： Zhang, Xin-Yu Yu, Sheng-Song Shu, Xiao-Xuan Wang, Jing-Ru Chen, Jie-Jie Yu, Han-Qing State Key Laboratory of Advanced Environmental Technology Department of Environmental Science and Engineering University of Science and Technology of China Hefei230026 China

Electrochemical biomass conversion offers a promising approach for organic synthesis and biomass upgrading. Iron-based catalyst hold considerable promise in this domain, however, challenges related to stability under electrocatalytic conditions limit their broader application. In this work, an iron-based integrated foam (FeOx/Fe-IF) electrode fabricated via thermal treatment process is presented, which generates highly active and stable mixed oxide species in situ. The structural composition enables FeOx/Fe-IF to exhibit outstanding activity in 5-hydroxymethylfurfural (5-HMF) electroreduction, achieving near-complete conversion with high selectivity toward 2,5-dihydroxymethylfuran (DHMF). Remarkably, FeOx/Fe-IF maintains high stability and durability with 5-HMF conversion approaching 100% and DHMF selectivity around 92% over ten successive cycles. In situ spectroscopic analyses reveal that Fe2O3 species effectively stabilize Fe3O4 active sites, ensuring sustained catalytic performance. Electrochemical and kinetic isotope studies suggest an electrochemical hydrogenation (ECH) mechanism, where adsorbed hydrogen (*H) and 5-HMF (*HMF) interact to produce DHMF. Additionally, the catalyst demonstrates adaptability across a broad pH range (7–14), high efficiency in continuous flow-cell synthesis, and great catalytic activity in hydrogenating other biomass-derived chemicals, underscoring the versatility of FeOx/Fe-IF. This work provides valuable insights for designing stable and efficient iron-based electrocatalysts for biomass conversion. © 2025 Wiley-VCH GmbH.

关键词： Hematite

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