JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2026
·Vol. 37
·期 14
·1094
·
IF 3.2
Jiang Shukang,Zheng Guangwei,Zhang Fengqing,Yu Hongwen,Cai Yongfeng,Zhang Yanli
The surface plasmon resonance (SPR) effect demonstrated by noble metal nanoparticles has been shown to significantly boost the photocatalytic activity of semiconductors under visible light. However, the high cost limits their practical use. Recent studies have found that bismuth (Bi), a non-noble metal, exhibits similar SPR properties. In this work, we developed a new synthesis method for Bi/Bi 2 WO 6 photocatalysts using a secondary solvothermal process. The metallic Bi was reduced in situ with tartaric acid as the reducing agent, while hexadecyltrimethyl ammonium bromide (CTAB) served as a surfactant to control the morphology. The Bi/Bi 2 WO 6 heterojunction prepared with an optimal CTAB amount (0.02 g) showed much better light absorption, achieving 100% degradation of Rhodamine B (RhB) within 15 min under visible light, representing a 57% improvement over pure Bi 2 WO 6 . Recycling tests confirmed the exceptional photochemical stability and recyclability. The high performance in RhB degradation can be linked to the SPR effect of metallic Bi, which improves light absorption, produces active sites and reactive species, and speeds up carrier transfer. Additionally, the formation of the Bi/Bi 2 WO 6 Schottky heterojunction promotes carrier separation and prevents recombination of photogenerated electron–hole pairs. This study also offers a clear mechanism for the photodegradation process of the synthesized photocatalyst. Overall, this work presents a new and affordable strategy for developing high-performance photocatalytic systems, with great potential for practical applications in environmental cleanup and pollutant removal.
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高影响因子
JOURNAL OF MATERIALS SCIENCE
·
2026
·Vol. 61
·期 26
·18843-18865
·
IF 4.4
Yan Shiping,Liao Xizhi,Yao Jiaxing,Xiao Jialong,Lei Jiajie,Chen Yi,Yang Lingxiu,Yu Mengyi,Zhou Zheng,Liu Hairong
Polymer-based drug-loaded microspheres emerged as prevalent clinical modalities, exemplified by transarterial chemoembolization (TACE) and composite wound dressings, leveraging their sub-millimeter dimensions for versatile therapeutic deployment and targeted delivery. However, inherent limitations persist, including constrained drug loading capacity, rapid drug release kinetics, and non-degradability, thereby precluding the feasibility of repeat interventions. Based on these considerations, this study proposes a novel microsphere construction strategy that utilizes anionic monomer 2-acrylamide-2-methylpropanesulfonic acid (AMPS)-modified polyvinyl alcohol (PVA) as the primary raw material and incorporates cationic modified chitosan quaternary ammonium salt (QCS) to form a double-network microsphere. Owing to the abundant dynamic ionic interactions and the synergistic integration of soft and rigid molecular chains within the gel matrix, the resulting microsphere exhibits excellent mechanical properties, including a compressive deformation resistance exceeding 70%, high drug loading capacity, and prolonged sustained-release performance. When loaded with the cationic anticancer drug doxorubicin hydrochloride (DOX) and the antibacterial agent polyhexamethylene biguanide hydrochloride (PHMB), the microspheres achieved loading concentrations of 100.31 mg/mL and 132.25 mg/mL, respectively, with sustained release lasting over 12 days. In a rabbit hepatic artery embolization experiment, DOX-loaded microspheres effectively occluded blood flow and induced liver necrosis, thereby confirming their superior embolic performance. These features collectively demonstrate the promising application potential of this microsphere in the biomedical field.
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Frontiers of Materials Science
·
2026
·Vol. 20
·期 2
·260770
·
IF 2.3
Xiang Yihou,Fang Yongyong,Wang Jinghui,Luo Chengyang,Zheng Yafeng,Wu Guolong,Zhang Qunli,Yao Jianhua
Titanium dioxide (TiO 2 ) is an important photocatalytic material, yet its performance is limited by bottlenecks in conventional preparation methods, such as high interfacial resistance and low specific surface area. In this study, a method combining laser cladding with electrochemical dealloying was used to fabricate porous TiO 2 /Cu 2 O heterojunction photoanodes from a Cu–Ti precursor. This composite structure significantly enhances interfacial charge transfer, reduces the material bandgap by 0.92 eV, and extends the visible-light absorption edge to 544 nm. The optimized photoanode (porous TiO 2 @Cu 77 Ti 23 ) has an ultrahigh electrochemically active surface area (1028 cm 2 ·cm −2 ) while its photocurrent density is 77.1 µA·cm −2 , which is 14 times that of the control sample. Under a bias of 0.3 V, it achieves 79% degradation of methyl orange within 180 min, while retaining more than 90% of its initial activity after 10 cycles. This work provides a scalable new pathway for the preparation of efficient and stable solar-driven photoanodes.
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International Journal of Material Forming
·
2026
·Vol. 19
·期 2
·61
·
IF 2.6
Ma Jianping,Zhang Shanqun,Chen Qihan,Chen Yike,Liu Fei,Lin Lifu
To address the forming–accuracy challenges of silica ceramic components fabricated via digital light processing (DLP), this study proposes a method for adjusting the absorption of incident light by silica ceramic slurries through the addition of organic dyes (curcumin, methyl chloride, and Sudan I), which significantly improves the printing accuracy. This study systematically investigates the effects of the content of different organic dyes on the rheological properties, curing behavior, and ultraviolet absorbance of silica ceramic slurries. The results show that adding organic dyes negligibly affects the rheological properties of silica ceramic slurries. For silica ceramic slurries containing curcumin and Sudan I, the organic dyes substantially increase the absorbance of the slurries. Consequently, even trace amounts of curcumin and Sudan I can significantly enhance the forming accuracy of silica ceramics. This study demonstrates that utilizing the selective light–absorption characteristics of organic dyes can suppress light scattering at its source, offering a straightforward and purity–preserving new route for fabricating high–precision, complex–structured SiO₂ ceramic components.
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高影响因子
JOM
·
2026
·
IF 2.3
Zhang Jie,Liu Aimin,Zhao Yuan,Ao Xianze,Shi Zhongning
To address the urgent need for metal and oxygen extraction in lunar in-situ resource utilization (ISRU), this study investigates electrowinning of metals and oxygen production using NaF-AlF 3 as the solvent, highland-type simulated lunar regolith (NEU-2) as the solute, a 43Fe-57Ni alloy as the anode, and graphite as the cathode, within the temperature range of 1223–1243 K. The results show that increasing the temperature from 1223 K to 1243 K reduces the cell voltage from 4.96 V to 4.80 V. The cathode product is an Al-Si-Fe alloy, in which the aluminum content first decreases and then increases with rising temperature, while silicon exhibits the opposite trend. Under the optimized condition of 1233 K, the oxygen generation rate reaches 3.22 g/h, with an oxygen yield of 16.1%, while the anode current efficiency is 80.19%. The cathode alloy composition is 54.21% Al–28.7% Si–17.09% Fe, with a cathode current efficiency of 47.70% and a Vickers hardness of 59.4 HV; the anode passivation layer remains intact under this condition. This work provides theoretical and data-based support for optimizing key process parameters in molten-salt electrolysis of lunar regolith for oxygen production.
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高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2026
·Vol. 37
·期 15
·1159
·
IF 3.2
Yu Qi,Zheng Daming,Xue Yanan,Zhang Zhengqian,Cao Zhanyu,Dai Heng
In recent years, the rapid advancement of military radar technology has driven the demand for microwave absorbing materials that are thin, wide, lightweight and strong absorption. This study employs a combined approach of solvothermal synthesis and high-temperature calcination to simultaneously achieve the self-assembly of three-dimensional reduced graphene oxide (rGO) and in-situ loading of magnetic nickel (Ni) nanoparticles without introducing reducing agents, resulting in the fabrication of a super-elastic three-dimensional rGO@Ni composite. Compared to pure rGO or Ni, the rGO@Ni composite demonstrates superior microwave absorption performance achieving a minimum reflection loss of −53.14 dB at 16.55 GHz with a matching thickness of only 2.5 mm. Notably, its effective absorption bandwidth (below −10 dB) reaches 7.99 GHz, covering the frequency range from 10.01 to 18 GHz. The results show that the rGO@Ni composite is promising candidate for microwave absorption.
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Waste and Biomass Valorization
·
2026
·
IF 3.1
Wu Yibo,Yang Youwei,Shi Dawei,Yu Jie,Zhang Yaning,Dai Leilei,Tabatabaei Meisam,Aghbashlo Mortaza,Guo YanMing,Pan Ruming
Continuous feeding techniques integrated with a liquid heating medium represent a promising approach for converting waste plastics into high-value products. Molten salts have great potential as efficient liquid heating media for the pyrolysis of waste plastics. The present study investigates the pyrolysis of low-density polyethylene (LDPE) assisted by LiCl–KCl molten salt in a continuous feeding process. The distribution of plastic pyrolysis products under different pyrolysis temperatures (440‒590 °C), LiCl mass fractions (52‒58 wt%), and feeding rates (18‒30 g/h) was thoroughly evaluated. The results indicate that a temperature of 540 °C is crucial for enhancing gas yield and oil quality, as it provides an optimal balance between pyrolysis and volatilization rates. Increasing the LiCl mass fraction may accelerate the pyrolysis rate and can promote secondary cracking, thereby significantly increasing gas yield and producing considerably lighter oil . The highest gas yield of LDPE was 76.70 wt% at a feeding rate of 27 g/h, which was attributed to gas repolymerization predominating over the secondary cracking of light oil. Additionally, the product characteristics of five common plastics—LDPE, high-density polyethylene (HDPE), polypropylene (PP), waste polyethylene (WPE), and waste polypropylene (WPP)—were investigated and showed distinct characteristics. The gas yield of LDPE was higher than that of PP because the isomerization radicals of PP generate light-component oil via cyclization. Furthermore, this system also exhibits excellent performance in handling waste plastics. This work provides guidance for selecting appropriate operating conditions and establishes a theoretical basis for the subsequent large-scale industrial application of molten salt-assisted plastic pyrolysis
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Nano-Micro Letters
·
2026
·Vol. 18
·期 1
·376
·
IF 38.5
Zhang Yuhui,Qiu Hui,Yang Jian,Cao Pengle,Wang Yu,Xie An-Quan,Zhang Ke-Qin,Wang Xiao-Qiao
A microfluidic spinning strategy is developed to fabricate PEDOT:PSS fibers with precisely engineered micro /nanoscale structures, effectively optimizing the trade-off between electrical conductivity and Seebeck coefficient.
The PEDOT:PSS fiber achieves a high conductivity of 2038 S cm −1 and a Seebeck coefficient of 29.7 μV K −1 , yielding a remarkable power factor of 179.8 μW m −1 K −2 among organic thermoelectric fibers.
PEDOT fiber-based radiation-modulated nonwoven fabric device generates an in-plane temperature gradient of 20 K under sunlight (0.84 sun), enabling continuous solar thermoelectric energy harvesting for powering wearable microelectronics.
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PubMed
高影响因子
JOURNAL OF POLYMER RESEARCH
·
2026
·Vol. 33
·期 5
·223
·
IF 3.5
Xu Mingkai,Ren Hongquan,Chu Caiping,Luo Yang,Ai Tao
To address the high costs and performance limitations of polyurethane (PU) grouting materials, this study developed a novel magnesium-slag-based geopolymer/PU composite via a facile “one-pot” synthesis. By utilizing sodium silicate (SS) as a dual-functional agent, the magnesium slag and fly ash mixture was transformed from a passive filler into an active reinforcement phase. The synergistic effects of the SS modulus and solid-waste loading on mechanical properties and microstructural evolution were systematically evaluated. The results show that when the modulus of the sodium silicate solution is 1.62 and the addition amount of solid waste is 70%, the compressive strength of the composite grouting material can be 84% higher than that of the pure polyurethane grouting material. While high mineral loading induces interfacial stress concentrations that reduce bond strength, the composite retains sufficient adhesion for geotechnical applications. Mechanistic analysis via FTIR and microscopy reveals that SS functions simultaneously as an alkaline activator for geopolymerization and a chemical modifier for the organic matrix. The synergy between chemical Si–O–Si/C–O–C linkages and the physical filling of geopolymer gels results in a dense organic-inorganic interpenetrating network (IPN). This work offers a scalable strategy for magnesium slag valorization and the sustainable upgrading of road repair materials.
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MOLECULAR NEUROBIOLOGY
·
2026
·Vol. 63
·期 1
·650
·
IF 5.5
Guo Yaoxue,Wang Xueyan,Zhang Lixiang,Liu Xing,Lu Pu,Liang Furu,Wu Jing,Zhao Junli,Hai Yan
Alzheimer’s disease (AD) is associated with mitochondrial dysfunction and impaired energy metabolism in astrocytes. Although ghrelin is known to exert neuroprotective effects, the mechanisms through which it modulates astrocyte bioenergetics under AD-like conditions remain incompletely defined. In primary astrocytes treated with Aβ 25-35 oligomers, ghrelin attenuated mitochondrial damage, reducing ROS and enhancing mitochondrial membrane potential (ΔΨm) and respiratory complex activities. Glycolytic function was partially restored, as evidenced by upregulation of key enzymes, increased glucose uptake, lactate release, and NAD + /NADH ratio. Ghrelin inhibited autophagosome formation while enhancing mitophagy (increased LC3II/I and Parkin) and suppressed inflammation. In co-culture models, these metabolic improvements enhanced astrocytic support for neurons, reducing apoptosis and promoting neurite growth, an effect abolished by the glycolytic inhibitor 2-DG. Mechanistically, ghrelin upregulated uncoupling protein 2 (UCP2), which inhibited forkhead box protein O1 (FOXO1) nuclear translocation. In Aβ 25-35 -injected mice with UCP2 or FOXO1 modulation, ghrelin improved cognitive performance and reduced pathology, effects that were negated by UCP2 knockdown and partially rescued by FOXO1 knockdown. In conclusion, ghrelin ameliorates Aβ-induced astrocyte dysfunction involving the UCP2-FOXO1 pathway, partially restoring mitochondrial integrity, glycolytic metabolism, and neurotrophic support, suggesting its therapeutic potential.
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PubMed
高影响因子
Discover Materials
·
2026
·
IF 5.8
Shah Roman,Ahmad Wisal,Khan Dilaram,Shah Syed Izaz Ali,Anwar Muhammad,Khan Sidra,Khan Javed Ali
In this study, phosphorus-doped graphene oxide nanosheets (P-GO NSs) were prepared using modified Hummer’s method. The as-prepared sample was evaluated for the degradation of ofloxacin (OFL) and hydrogen (H 2 ) production. The structural, morphological, optical, and electronic properties of the P-GO NSs were characterized using UV-DRS, FTIR, SEM, XPS, HR-TEM and BET analysis. Phosphorus doping significantly improved the physicochemical properties of graphene oxide (GO) as evident by higher surface area of P-GO NSs (423 m² g⁻¹) than that of pristine GO (160 m² g⁻¹). Additionally, phosphorus doping narrowed the bandgap of GO from 3.9 to 3.3 eV. The P-GO NPs exhibited remarkable photocatalytic performance towards OFL degradation. The % degradation of OFL was observed to be 99.2% for P-GO and 65.0% for GO under UV light irradiation. The degradation experiments were performed under the conditions of: [OFL] 0 = 10 mg/L, [P-GO/GO] 0 = 0.5 g/L, pH = 7 and reaction time = 120 min. The GC-MS was used to identify the degradation products (DPs) of OFL and their ecotoxicity was predicated using the ECOSAR software. Furthermore, the P-GO NPs demonstrated efficient photocatalytic H 2 production under UV light irradiation, reaching H 2 production rate of 410 µmol h -1 g -1 in the presence of Pt (0.2 wt%) as a co-catalyst. Overall, phosphorus doping effectively modified the optoelectronic and structural characteristics of GO, improving charge carrier separation and providing more active sites which led to enhanced performance for removal of organic pollutants and sustainable H 2 production. Graphical abstract
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高影响因子
WATER AIR AND SOIL POLLUTION
·
2026
·Vol. 237
·期 20
·1139
·
IF 3.5
Liu Runjie,Chen Li,Zhang Yun,Wu Jingtao,Wang Longfei,Yang Yingchun
In this study, sulfur surface-modified manganese ferrite (MnFe 2 O 4 ) with enriched oxygen vacancies was synthesized using a metal-organic complex precursor strategy for periodate activation toward tetracycline degradation. The optimized catalyst achieved 97% tetracycline removal within 30 min. Sulfur surface modification enhanced oxygen vacancy formation, reduced charge transfer resistance, and promoted interfacial electron transfer. Mechanistic analyses revealed that periodate activation proceeded via an electron-transfer-mediated pathway, in which iodate radicals (IO 3 · ) played the dominant role, while superoxide radicals (O 2 ·− ), hydroxyl radicals ( · OH), singlet oxygen ( 1 O 2 ), and sulfate radicals (SO 4 ·− ) contributed secondarily. Iodine species (I 2 , I 3 − , and HOI) were observed below detection limits under the tested conditions, and periodate was ultimately converted to iodate. These findings demonstrate that sulfur surface modification is an effective strategy for improving ferrite-catalyzed periodate activation and provide insight into more environmentally safer advanced oxidation processes for antibiotic-contaminated water treatment.
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高影响因子
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