Materials Science and Engineering: B最新文献_第10页

Facile hydrothermal synthesis of novel Cu0.2Co0.2Zn0.2Mn0.2X (X = Ni0.2, Fe0.2, Ni0.2Fe0.2, Ni0.1Fe0.1) high-entropy alloy nanoparticles with tunable magnetic properties 新型磁性可调高熵合金纳米粒子cu0.2 co0.2 zn0.2 mn0.2 2x （X = Ni0.2, Fe0.2, Ni0.2Fe0.2, Ni0.1Fe0.1）的易水热合成

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-06-16 DOI: 10.1016/j.mseb.2025.118526

Ismail Bencherifa , Ilyas Belkhettab , Oussama Dabou , Khaled Derkaoui , Abdelmounaim Chetoui , Amar Manseri , Billel Hamdoud , Mesbah Saâd

{"title":"Facile hydrothermal synthesis of novel Cu0.2Co0.2Zn0.2Mn0.2X (X = Ni0.2, Fe0.2, Ni0.2Fe0.2, Ni0.1Fe0.1) high-entropy alloy nanoparticles with tunable magnetic properties","authors":"Ismail Bencherifa , Ilyas Belkhettab , Oussama Dabou , Khaled Derkaoui , Abdelmounaim Chetoui , Amar Manseri , Billel Hamdoud , Mesbah Saâd","doi":"10.1016/j.mseb.2025.118526","DOIUrl":"10.1016/j.mseb.2025.118526","url":null,"abstract":"<div><div>This study reports the synthesis of novel Cu<sub>0.2</sub>Co<sub>0.2</sub>Zn<sub>0.2</sub>Mn<sub>0.2</sub>X (X = Ni<sub>0.2</sub>, Fe<sub>0.2</sub>, Ni<sub>0.2</sub>Fe<sub>0.2</sub>, Ni<sub>0.1</sub>Fe<sub>0.1</sub>) high-entropy alloy (HEA) nanoparticles via a facile hydrothermal co-reduction method. Structural analysis confirmed the formation of dual face-centered cubic (FCC) solid solution phases with nanoscale crystallite sizes and high crystallinity. Scanning electron microscopy (SEM) coupled with energy-dispersive spectroscopy (EDS) revealed complex morphologies and elemental partitioning, while X-ray photoelectron spectroscopy (XPS) indicated notable core-level shifts due to electronic interactions among constituent elements. Magnetic characterization by vibrating sample magnetometer (VSM) showed that HEA-1 and HEA-4 have higher saturation magnetization (28.6–30.0 emu/g) than HEA-2 and HEA-3. Hysteresis loops with low squareness ratios (0.08–0.2) and coercivity variations (128.1–244.4 Oe) underscore the impact of microstructural features and phase composition. In particular, HEA-3′s low coercivity and hysteresis loss indicate its potential for low energy dissipation applications and suggest that post-synthetic modifications could further tailor magnetic properties. These findings demonstrate the effectiveness of compositional design and microstructural control in tuning the functional behavior of HEA nanoparticles for advanced magnetic applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"321 ","pages":"Article 118526"},"PeriodicalIF":3.9,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144291181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

In-situ experimental study on the microstructure evolution of AlN-Cu composite during microwave sintering 微波烧结过程中AlN-Cu复合材料微观组织演变的原位实验研究

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-06-15 DOI: 10.1016/j.mseb.2025.118519

Xiao Wang, Yu Xiao, Yuan Ren, Liangyuan Wang, Xiaofang Hu, Feng Xu

{"title":"In-situ experimental study on the microstructure evolution of AlN-Cu composite during microwave sintering","authors":"Xiao Wang, Yu Xiao, Yuan Ren, Liangyuan Wang, Xiaofang Hu, Feng Xu","doi":"10.1016/j.mseb.2025.118519","DOIUrl":"10.1016/j.mseb.2025.118519","url":null,"abstract":"<div><div>Due to its combination of high thermal conductivity and electrical conductivity, the AlN-Cu composite material exhibits enormous application potential in the field of electronic packaging. Its interfacial properties directly determine the reliability of devices. In this study, microwave sintering and a rapid SR-CT in-situ device were used to real-timely observe the entire process of microstructural evolution in AlN-Cu materials. The research found that microwave sintering can achieve bonding at 600℃ within 6 min to form an intermediate phase of CuAlO<sub>2</sub>; The initial volume of copper particles regulates the reaction rate by influencing the effective microwave volume. The difference in dielectric constant between AlN and Cu triggers interfacial polarization, reconstructs the microwave energy distribution, and accelerates the reaction. When the radius ratio of Cu to AlN particles is close to 1, the actual microwave heating efficiency is the highest; there exists an optimal radius ratio (R<sub>Cu</sub>:R<sub>AlN</sub> = 1) that maximizes the actual thermal power, balancing electric field enhancement and effective volume attenuation. This study provides a fundamental reference for designing the particle size of AlN-Cu composite materials and optimizing the microwave sintering process.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"321 ","pages":"Article 118519"},"PeriodicalIF":3.9,"publicationDate":"2025-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144288858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Functionalized Ni nanoparticles synthesized using electroless plating waste. Characterization and possible application as methylene blue adsorbent 利用化学镀废料合成功能化镍纳米颗粒。亚甲基蓝吸附剂的表征及应用前景

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-06-14 DOI: 10.1016/j.mseb.2025.118498

Roxana Belén Alvian Yañez , Susana Yamila Martinez Stagnaro , Susana Beatriz Ramos

{"title":"Functionalized Ni nanoparticles synthesized using electroless plating waste. Characterization and possible application as methylene blue adsorbent","authors":"Roxana Belén Alvian Yañez , Susana Yamila Martinez Stagnaro , Susana Beatriz Ramos","doi":"10.1016/j.mseb.2025.118498","DOIUrl":"10.1016/j.mseb.2025.118498","url":null,"abstract":"<div><div>This study investigates the reuse of industrial residue to synthesize magnetic nickel nanoparticles functionalized with sodium dodecyl sulfate (Ni-NPs/SDS). Two synthesis routes were tested: Route 1 involved in situ functionalization during nickel recovery (RHS sample), while Route 2 included separate oxidation and functionalization steps after nanoparticle synthesis (RHoxS sample). The Ni particles showed spherical morphology and crystallite sizes of 8 – 11 nm. Functionalized particles had slightly larger sizes (10 – 15 nm) and irregular, spiky surfaces, more evident in RHoxS. The ferromagnetic character was reduced in functionalized samples, and all exhibited negative zeta potential values below 30 mV.</div><div>A preliminary methylene blue (MB) adsorption study with RHoxS showed effective functionalization. Batch tests at room temperature fit better to the Freundlich isotherm model (R<sup>2</sup> = 0.9633), suggesting a heterogeneous surface and a physical adsorption process. The Langmuir isotherm model estimates a maximum capacity of adsorption of 5.51 mg.g<sup>-</sup><sup>1</sup>, indicating the material’s potential for wastewater dye removal.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"321 ","pages":"Article 118498"},"PeriodicalIF":3.9,"publicationDate":"2025-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144280527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence of cobalt doping on the structural and third order nonlinear optical properties of MgO nanostructures 钴掺杂对MgO纳米结构结构和三阶非线性光学性质的影响

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-06-14 DOI: 10.1016/j.mseb.2025.118507

R. Pooja Shaji , Jibi Kunjumon , P.A. Aleena , Ayona K. Jose , S.S. Shaiju , Sutheertha S. Nair , G. Vinitha , Javeesh Alex , Merin George , D. Sajan

{"title":"Influence of cobalt doping on the structural and third order nonlinear optical properties of MgO nanostructures","authors":"R. Pooja Shaji , Jibi Kunjumon , P.A. Aleena , Ayona K. Jose , S.S. Shaiju , Sutheertha S. Nair , G. Vinitha , Javeesh Alex , Merin George , D. Sajan","doi":"10.1016/j.mseb.2025.118507","DOIUrl":"10.1016/j.mseb.2025.118507","url":null,"abstract":"<div><div>This study investigates the third-order nonlinear optical properties of pure and cobalt-doped magnesium oxide (MgO) nanoparticles using the Z-scan method under continuous wave excitation. MgO nanoparticles were synthesized via a modified auto-combustion method with varying cobalt concentrations (0 %, 1 %, 3 %, and 5 %). Structural and morphological analyses were conducted using X-ray diffraction and field emission scanning electron microscopy. UV–visible spectroscopy revealed a bandgap reduction from 2.75 eV to 1.8 eV with increased cobalt doping, suggesting defect formation. Z-scan results indicate significant two-photon absorption, with higher doping levels enhancing third-order nonlinear optical susceptibility <span><math><mrow><mo>(</mo><msup><mrow><mi>χ</mi></mrow><mrow><mo>(</mo><mn>3</mn><mo>)</mo></mrow></msup><mo>)</mo></mrow></math></span> from 3.78 × 10<sup>−6</sup> to 5.14 × 10<sup>−6</sup> esu. This enhancement correlates with increases in the nonlinear absorption coefficient <span><math><mrow><mo>(</mo><mi>β</mi><mo>)</mo></mrow></math></span> and nonlinear refractive index <span><math><mrow><mo>(</mo><msub><mi>n</mi><mn>2</mn></msub><mo>)</mo></mrow></math></span>. These findings highlight the potential of cobalt-doped MgO nanoparticles for advanced nonlinear optical applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"321 ","pages":"Article 118507"},"PeriodicalIF":3.9,"publicationDate":"2025-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144288856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis and characterizations of Al-doped nickel cobalt oxide nanoparticles with superior electrochemical performance for supercapacitor applications 具有优异电化学性能的铝掺杂镍钴氧化物纳米颗粒的合成与表征

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-06-14 DOI: 10.1016/j.mseb.2025.118508

K. Kowsuki, R. Navamathavan

{"title":"Synthesis and characterizations of Al-doped nickel cobalt oxide nanoparticles with superior electrochemical performance for supercapacitor applications","authors":"K. Kowsuki, R. Navamathavan","doi":"10.1016/j.mseb.2025.118508","DOIUrl":"10.1016/j.mseb.2025.118508","url":null,"abstract":"<div><div>This work investigates the capacitive characteristics of Al-doped nickel cobalt oxide (NiCo<sub>2</sub>O<sub>4</sub>) nanoparticles by doping them with aluminium at different concentrations (20 mol%, 25 mol%, and 30 mol%) via a hydrothermal technique. The systematic characterizations have been performed. The electrochemical tests are performed to examine the capacitive characteristics. Al-doped NiCo<sub>2</sub>O<sub>4</sub> demonstrated a significant O<img>H adsorption capacity for redox processes. With 1 Ag<sup>−1</sup> current density, a 25 mol% Al-doped NiCo<sub>2</sub>O<sub>4</sub> electrode presented the highest specific capacitance of 1318 Fg<sup>−1</sup> compared to NiCo<sub>2</sub>O<sub>4</sub> and 20 mol%, 30 mol% of ANCO. The Al-doped NiCo<sub>2</sub>O<sub>4</sub>@NF//AC in two electrodes displayed exceptional cycling stability over 2500 charge–discharge cycles, retention of 85.13 % of its capacitance at 20 Ag<sup>−1</sup>. A constructed asymmetric supercapacitor exhibited an outstanding energy density of 18.67 Wh kg<sup>−1</sup> at a power density of 2621 Wkg<sup>−1</sup>. Based on our findings, the 25 mol% Al-doped NiCo<sub>2</sub>O<sub>4</sub> exhibited exceptional potential for the application of energy storage systems.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"321 ","pages":"Article 118508"},"PeriodicalIF":3.9,"publicationDate":"2025-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144280528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Green synthesized Se@ZnO nanocomposites using Ficus religiosa extract for enhanced photocatalytic degradation of fast green dye and biological applications Green利用榕叶提取物合成Se@ZnO纳米复合材料，增强了快速绿色染料的光催化降解和生物应用

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-06-14 DOI: 10.1016/j.mseb.2025.118478

A. Anitha , P. Ponmurugan , S.Esath Natheer , S. Kannan , M. Sathishkumar , D. Arunkumar

{"title":"Green synthesized Se@ZnO nanocomposites using Ficus religiosa extract for enhanced photocatalytic degradation of fast green dye and biological applications","authors":"A. Anitha , P. Ponmurugan , S.Esath Natheer , S. Kannan , M. Sathishkumar , D. Arunkumar","doi":"10.1016/j.mseb.2025.118478","DOIUrl":"10.1016/j.mseb.2025.118478","url":null,"abstract":"<div><div>Water pollution by synthetic dyes and pathogens poses severe environmental and health risks. This study offers a green solution by biosynthesizing zinc oxide (ZnO) and selenium-doped ZnO (Se@ZnO) nanoparticles using Ficus religiosa (FR) extract as a reducing and stabilizing agent. Structural and optical analyses (XRD, FTIR, FESEM-EDX, UV–Vis, PL, BET, XPS) confirmed crystalline structures and morphological transformation from nanorods (ZnO) to nanoflakes (FRSe@ZnO). The FRSe@ZnO showed a reduced bandgap (2.70 eV) and increased surface area (121 m<sup>2</sup>/g). Photocatalytic studies revealed that FRSe@ZnO achieved 99 % degradation of fast green dye in 100 min under visible light, outperforming ZnO (79 %) and Se@ZnO (91 %). It also exhibited good recyclability, pH-responsive behavior, and ROS scavenging activity. Moreover, FRSe@ZnO demonstrated significant antimicrobial effects against various pathogens, as well as antidiabetic and anti-inflammatory potential. These findings highlight the promise of green-synthesized, multifunctional nanomaterials for sustainable environmental cleanup and biomedical applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"321 ","pages":"Article 118478"},"PeriodicalIF":3.9,"publicationDate":"2025-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144288857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation of high-absorption electromagnetic wave absorption materials by loading hollow Fe3O4 onto porous carbon derived from corncobs 在玉米棒子制成的多孔碳上负载空心Fe3O4制备高吸收电磁波吸收材料

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-06-13 DOI: 10.1016/j.mseb.2025.118516

Yi Teng , Youwang Wang , Lihui Xu , Hong Pan , Meng Wang , Meiran Dou , Yingxiu Zhang , Xueqiang Fu

{"title":"Preparation of high-absorption electromagnetic wave absorption materials by loading hollow Fe3O4 onto porous carbon derived from corncobs","authors":"Yi Teng , Youwang Wang , Lihui Xu , Hong Pan , Meng Wang , Meiran Dou , Yingxiu Zhang , Xueqiang Fu","doi":"10.1016/j.mseb.2025.118516","DOIUrl":"10.1016/j.mseb.2025.118516","url":null,"abstract":"<div><div>In this study, a green and eco-friendly hollow Fe<sub>3</sub>O<sub>4</sub>/corncob porous carbon composite was successfully produced by recycling corncob, an agricultural byproduct. It was a low-density, high-absorption, and thin electromagnetic wave (EMW) absorbing material. Overall, corncob porous carbon (CPC) with a porous structure was prepared using the one-step activated charring method. Hollow Fe<sub>3</sub>O<sub>4</sub> was grown in-situ on the surface of the CPC, resulting in the formation of hollow Fe<sub>3</sub>O<sub>4</sub>/CPC composites. The lightweight, porous structure of CPC and the hollow structure of Fe<sub>3</sub>O<sub>4</sub> were combined to form a low-density hollow Fe<sub>3</sub>O<sub>4</sub>/CPC composite material. This composite exhibited excellent EMW absorption performance, with a minimum reflection loss of −43.17 dB and an effective absorption bandwidth of 3.3 GHz at a relatively thin thickness of 1.5 mm. Based on these findings, a plausible EMW absorption mechanism was proposed that the interface polarization, magnetic losses, and dielectric losses due to the synergistic interaction between hollow Fe<sub>3</sub>O<sub>4</sub> and CPC. This work provides a new direction for the development of low-cost, eco-friendly, and high-performance biomass-based EMW absorbing materials.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"321 ","pages":"Article 118516"},"PeriodicalIF":3.9,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144271049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Temporary reinforcement of proton-conductive ceramics by introducing a graded carrier 引入分级载流子对质子导电陶瓷的临时增强

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-06-13 DOI: 10.1016/j.mseb.2025.118499

Takaya Ueno, Wakuya Miyamoto, Shinya Kondo, Takashi Teranishi, Akira Kishimoto

{"title":"Temporary reinforcement of proton-conductive ceramics by introducing a graded carrier","authors":"Takaya Ueno, Wakuya Miyamoto, Shinya Kondo, Takashi Teranishi, Akira Kishimoto","doi":"10.1016/j.mseb.2025.118499","DOIUrl":"10.1016/j.mseb.2025.118499","url":null,"abstract":"<div><div>Proton-conductive yttrium-doped barium zirconate ceramics were hydrated under various conditions and their mechanical strength and Vickers hardness were evaluated. The hydration rate and lattice constants of surfaces, shallow-scraped surfaces, and deep-scraped surfaces were measured under each condition. When the water vapor partial pressure was high and the hydration temperature was low, mechanical strength increased by up to 1.9-fold that before treatment. When the strength increased, the Vickers hardness rose as the test load decreased, implying the formation of a surface compression layer. An examination of the correlation between strength and the lattice constant revealed that the greater the difference in the lattice constant between the surface and shallow-scraped surfaces, and the smaller the difference between shallow-scraped and deep-scraped surfaces, the greater the mechanical strength. Such strengthening may reflect the fact that the surface remains hydrated, and compressive stress thus acts on a volume-expanded surface layer of the internal bulk, which has not changed in overall volume. Although specimens exhibiting large increases in strength underwent rapid local hydration, there was no mechanical damage, and the ionic conductivity was the same as that of specimens hydrated under mild conditions.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"321 ","pages":"Article 118499"},"PeriodicalIF":3.9,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144271048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis and characterization of new nanocomposite P2W18Co4@ZnFe2O4@PVA as an efficient and excellent magnetically recoverable nanocatalyst for desulfurization of fuels 新型纳米复合材料P2W18Co4@ZnFe2O4@PVA的合成与表征——一种高效、优异的磁可回收燃料脱硫纳米催化剂

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-06-13 DOI: 10.1016/j.mseb.2025.118512

Parisa Afshari , Roushan Khoshnavazi , Mohammad Ali Rezvani

{"title":"Synthesis and characterization of new nanocomposite P2W18Co4@ZnFe2O4@PVA as an efficient and excellent magnetically recoverable nanocatalyst for desulfurization of fuels","authors":"Parisa Afshari , Roushan Khoshnavazi , Mohammad Ali Rezvani","doi":"10.1016/j.mseb.2025.118512","DOIUrl":"10.1016/j.mseb.2025.118512","url":null,"abstract":"<div><div>In this study, a new nanocomposite, P<sub>2</sub>W<sub>18</sub>Co<sub>4</sub>@ZnFe<sub>2</sub>O<sub>4</sub>@PVA, was successfully synthesized and applied as a photocatalyst for oxidative desulfurization (PODS) of fuels. P<sub>2</sub>W<sub>18</sub>Co<sub>4</sub>@ZnFe<sub>2</sub>O<sub>4</sub>@PVA integrates the high redox potential of P<sub>2</sub>W<sub>18</sub>Co<sub>4</sub>, the UV–visible-light-responsive properties of ZnFe<sub>2</sub>O<sub>4</sub>, and the stabilizing and dispersing abilities of polyvinyl alcohol (PVA). Structural and morphological characterizations of P<sub>2</sub>W<sub>18</sub>Co<sub>4</sub>@ZnFe<sub>2</sub>O<sub>4</sub>@PVA using FT-IR, UV–vis, XRD, SEM, EDX, and mapping confirmed the successful construction of the nanocomposite. P<sub>2</sub>W<sub>18</sub>Co<sub>4</sub>@ZnFe<sub>2</sub>O<sub>4</sub>@PVA exhibited excellent performance in removing benzothiophene (approximately 97 %) and dibenzothiophene (approximately 94 %) from model fuel under mild conditions (room temperature, air atmosphere, UV–visible light). Mechanistic investigations revealed the synergistic effect between P<sub>2</sub>W<sub>18</sub>Co<sub>4</sub> and ZnFe<sub>2</sub>O<sub>4</sub>, leading to effective charge separation and reactive oxygen species generation. P<sub>2</sub>W<sub>18</sub>Co<sub>4</sub>@ZnFe<sub>2</sub>O<sub>4</sub>@PVA demonstrated high stability and reusability over five consecutive cycles without a significant loss in activity. This study offers a green, efficient, and recyclable route for deep desulfurization of fuel, highlighting the potential of POM-based nanocomposites in sustainable energy applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"321 ","pages":"Article 118512"},"PeriodicalIF":3.9,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144271050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

POM-based electrode materials: Molecular architecture and synergistic strategies for high-performance supercapacitors 基于pom的电极材料：高性能超级电容器的分子结构和协同策略

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-06-12 DOI: 10.1016/j.mseb.2025.118495

Qian Wang , Tingting Chen , Hongyan Ren , Chunjing Zhang , Zihao Li , Haijun Pang , Guangning Wang

{"title":"POM-based electrode materials: Molecular architecture and synergistic strategies for high-performance supercapacitors","authors":"Qian Wang , Tingting Chen , Hongyan Ren , Chunjing Zhang , Zihao Li , Haijun Pang , Guangning Wang","doi":"10.1016/j.mseb.2025.118495","DOIUrl":"10.1016/j.mseb.2025.118495","url":null,"abstract":"<div><div>Faced with global energy shortages and environmental challenges, supercapacitors have emerged as a sustainable energy storage solution. Achieving high energy density in these devices hinges on innovative design and composition of electrode materials. Polyoxometalates (POMs), with their rich molecular structures and abundant redox-active sites, have drawn significant attention and are progressively recognized as ideal candidates for supercapacitor electrodes. This review systematically examines POM-based materials, emphasizing their unique properties, contributions to device performance, and recent progress. Key advancements in POM composites, crystalline materials, and hybrid systems are analyzed in terms of their impact on critical metrics. The review highlights assembly strategies such as nanostructuring and interfacial engineering to optimize POM integration and enhance electrochemical performance. Additionally, it evaluates emerging trends and current limitations, outlining challenges and future directions for POM-based supercapacitors. By bridging molecular design and device engineering, this work provides a roadmap for advancing next-generation energy storage systems.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"321 ","pages":"Article 118495"},"PeriodicalIF":3.9,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144271045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0