Next Materials最新文献

{"title":"Designing anti-wear surfaces on Ti64 alloy: Influence of surface texturing and RF sputtered Ti/TaN coatings","authors":"Pavan Kumar Vangara ,&nbsp;Turali Narayana ,&nbsp;Raghuveer Dontikurti ,&nbsp;Gaurav Pant ,&nbsp;Sunil Kumar Tiwari ,&nbsp;Durgaprasad Kelli ,&nbsp;Santhosh Kumar Dubba ,&nbsp;Shahid Saleem","doi":"10.1016/j.nxmate.2025.101019","DOIUrl":"10.1016/j.nxmate.2025.101019","url":null,"abstract":"<div><div>This study investigates the use of laser surface texturing and RF magnetron sputtering to deposit Ti/TaN nanostructured coatings on Ti-6Al-4V (Ti64) alloy for enhanced mechanical and tribological properties. Three types of samples were examined: bare substrate (SS), Ti/TaN-coated surface, and coating on textured surface (CTS). Surface characterization was performed using GIXRD, FESEM, EDS, Raman spectroscopy, 3D profilometry, and nanoindentation. The Ti/TaN coatings, with a ∼100 nm Ti interlayer and ∼410 nm TaN top layer, exhibited a dense and uniform structure with good adhesion. This improved the hardness from 6.08 GPa (bare) to 23.57 GPa (Ti/TaN), a 288 % increase. Tribological tests using a ball-on-disc tribometer with Si₃N₄ counter body under 1 N load showed notable improvements. The Ti/TaN coating reduced the coefficient of friction by 36.7 % and the wear rate by 82.1 % compared to the bare sample. The CTS surface performed even better, with reductions of 53.1 % in friction and 84.8 % in wear. These results demonstrate the synergistic effect of Ti/TaN coatings and surface texturing in enhancing the properties of Ti64 alloy for biomedical applications.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"9 ","pages":"Article 101019"},"PeriodicalIF":0.0,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144750698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Photocatalytic MOC materials: Engineering strategies, limitations, and future outlook","authors":"Edith Luévano-Hipólito ,&nbsp;Leticia M. Torres-Martínez","doi":"10.1016/j.nxmate.2025.101005","DOIUrl":"10.1016/j.nxmate.2025.101005","url":null,"abstract":"<div><div>The implementation of heterogeneous photocatalysis in building materials has emerged as a promising technology to tackle environmental pollutants. In this context, photocatalytic magnesium oxychloride cement (MOC) represents a sustainable building material capable of reducing air pollution, maintaining cleaner surfaces by removing environmental agents, and inhibiting the growth of pathogenic microorganisms. Beyond these environmental benefits, MOC offers intrinsic advantages over conventional cementitious materials, such as a lower carbon footprint, rapid setting time, and excellent fire resistance. However, its photocatalytic activity remains underexplored. This review critically examines the development of photocatalytic MOC materials, focusing on fabrication methods, functional additives, and their synergy with photocatalytic activity for environmental depollution. Although various photocatalysts such as TiO₂, g-C₃N₄, and Ag-based nanoparticles, have been successfully incorporated into MOC, significant challenges remain, including water sensitivity, long-term durability under realistic conditions, and UV exposure. This review outlines these limitations, identifies key knowledge gaps, and proposes future research directions to advance the practical implementation of photocatalytic MOC in sustainable construction and urban air purification.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"9 ","pages":"Article 101005"},"PeriodicalIF":0.0,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144723468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Study of the physical and chemical properties of ZnS thin films synthesized on ZnS nucleation layers by spray pyrolysis","authors":"A.Arifa Hassan ,&nbsp;I. Halidou ,&nbsp;Aboubacar Almoustapha ,&nbsp;S. Juillaguet ,&nbsp;O. Briot ,&nbsp;H. Peyre ,&nbsp;N. Bouguila","doi":"10.1016/j.nxmate.2025.100968","DOIUrl":"10.1016/j.nxmate.2025.100968","url":null,"abstract":"<div><div>Thin zinc sulfide (ZnS) layers were synthesized by spray pyrolysis at 300°C on ZnS nucleation layers pre-deposited on glass substrate at 200°C. With the aim of the process optimization, the ZnS nucleation layer deposition time varies from 15 to 75 s. The layers properties were investigated by using X-ray diffraction (XRD), Profilometry, energy dispersive spectroscopy (EDS) and photoluminescence (PL) measurements. An optimal value of 30 s was obtained for the ZnS nucleation layer deposition duration. We have shown that using the ZnS nucleation layer makes it possible to improve the quality of ZnS thin films and eliminate the defects responsible of red emission.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"9 ","pages":"Article 100968"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144722766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An organic trimer molecule with carbon black as an active material for supercapacitor applications","authors":"Arjun Rego,&nbsp;Elliot Evans,&nbsp;Navid Noor,&nbsp;Storm Gourley,&nbsp;Alejandra Ibarra Espinoza,&nbsp;Amirhossein Foroozan Ebrahimy,&nbsp;Drew Higgins","doi":"10.1016/j.nxmate.2025.100988","DOIUrl":"10.1016/j.nxmate.2025.100988","url":null,"abstract":"<div><div>Quinone-based organic molecules show promise as electrode active materials for supercapacitor applications due to their reversible redox activity, high theoretical capacitances, low cost, nontoxicity, and renewability. The use of quinone containing molecules in supercapacitor applications faces challenges due to their low electrical conductivity and their high solubility in aqueous electrolytes that results in low cycling stability. This work addresses these limitations by proposing a novel quinone-composed material, N,N′-bis(2-anthra-quinone)]-perylene-3,4,9,10- tetracarboxydiimide (PDI-DAQ), as an organic molecule electrode for supercapacitors. PDI-DAQ was composited with a low-cost carbon substrate, Ketjenblack carbon black (CB), and demonstrated a specific capacitance of up to 318.6 F g⁻¹ at 5 mV s⁻¹ in 1 M H₂SO₄ electrolyte at an optimized mass ratio of 1:1 (PDI-DAQ to CB). This material had a capacity retention of 61.2 % after 10,000 cycles at 100 mV s⁻¹. Ultimately, PDI-DAQ as a supercapacitor material demonstrates the performance advantages of covalently bonding redox-active quinone molecules and preparing a PDI-DAQ/CB OME through a simple preparation process.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"9 ","pages":"Article 100988"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144723477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multifunctional cement pastes with ZnO.CoO and barium ferrite core-shell nanostructures: mechanical, antimicrobial, and radiation shielding properties","authors":"Mahmoud Gharieb ,&nbsp;H.M. Khater ,&nbsp;Wageeh Ramadan ,&nbsp;Walaa M. Abd El-Gawad","doi":"10.1016/j.nxmate.2025.101000","DOIUrl":"10.1016/j.nxmate.2025.101000","url":null,"abstract":"<div><div>The research explores innovative multifunctional cement pastes by integrating modified blast furnace slag by precipitating a thin layer of nano-ZnO.CoO or nano-barium ferrite on its surface, forming core-shell structures (ZnCo-slag and BaFe-slag), aiming to provide enhanced mechanical properties alongside antimicrobial and radiation shielding capabilities. Key findings reveal that cement pastes with 10 % ZnCo-slag achieved a notable 6 % increase in mechanical strength over 5 % ZnCo-slag and a 3 % advantage over 15 % ZnCo-slag. Moreover, cement pastes with 10 % BaFe slag increased the strength by 4 % and 5 % over the mixes containing 5 % BaFe slag and 15 % BaFe slag, respectively. In terms of antimicrobial activity, ZnCo-slag exhibited significant inhibition zones of 15 mm, 17 mm, and 25 mm against <em>Escherichia coli, Staphylococcus aureus, and Candida albicans,</em> respectively, while BaFe-slag surpassed these with zones of 11 mm, 20 mm, and 26 mm. Additionally, the 10 % BaFe-slag formulation demonstrated exceptional gamma radiation attenuation, improving by 11.8 % at 0.662 MeV, 13.2 % at 1.173 MeV, and 10.8 % at 1.333 MeV compared to ordinary Portland cement. This study highlights the potential of repurposing blast furnace slag into advanced materials that not only enhance mechanical strength but also provide antimicrobial properties and effective radiation shielding, combining sustainability with cost efficiency.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"9 ","pages":"Article 101000"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144722247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Structural transformation of MnTiO3 with manganese dioxide and titanium dioxide influenced by solid-state calcination kinetics","authors":"Ritushree Shaily ,&nbsp;Abhishek Prasad ,&nbsp;Kuldeep Kumar ,&nbsp;Dilip Kumar Meena","doi":"10.1016/j.nxmate.2025.101008","DOIUrl":"10.1016/j.nxmate.2025.101008","url":null,"abstract":"<div><div>In the present study, MnTiO₃ was prepared using the conventional solid-state reaction method and then calcined at 1200℃ for various times: 6 h, 12 h, 18 h, and 24 h. The XRD results confirm that the formation of MnTiO₃, calcined at 1200℃ for 24 h, exhibits successful crystallization and stabilization in a hexagonal structure with space group R-3h. The average crystallite size, calculated using the Scherrer equation, is 47.16 nm, and through the modified Scherrer equation is 54.82 nm. However, the evaluated crystallite size was obtained by the Uniform Deformation Method (UDM), and the Uniform Stress Deformation Model (USDM) was 71.1 nm, respectively. The crystallite size value is 72.21 nm, as calculated by the Uniform Deformation Energy Density Model (UDEDM). Furthermore, the Size-Strain Plot method yields a crystallite size of 40.54 nm. The strain value, 7.15<span><math><mrow><mo>×</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>−</mo><mn>3</mn></mrow></msup></mrow></math></span> and 4.132<span><math><mrow><mo>×</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>−</mo><mn>3</mn></mrow></msup></mrow></math></span> has been obtained through the Uniform Deformation Model, and the Size-Strain Plot, respectively. The stress and energy density, i.e., 0.128 GPa and 2.94 MJm⁻³, respectively, were obtained by the Uniform Deformation Energy Density Model. The surface morphology of the 24-hour calcinated MnTiO₃ sample shows that the average particle size is 7.05μm, as obtained by Scanning Electron Microscope.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"9 ","pages":"Article 101008"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144722248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of tin-based complexes in enhancing PVC photostability and their environmental impacts","authors":"Sabha Khalid ,&nbsp;Sawsan S. Al-Rawi ,&nbsp;Syeda Syesha Saman ,&nbsp;Munazzah Yaqoob ,&nbsp;Muhammad Adnan Iqbal ,&nbsp;Mohammad Asad ,&nbsp;Mohammad Tauseef Haider ,&nbsp;Adnan Majeed ,&nbsp;Haris Nadeem","doi":"10.1016/j.nxmate.2025.101014","DOIUrl":"10.1016/j.nxmate.2025.101014","url":null,"abstract":"<div><div>Organotin compounds have been widely used in various industrial applications, including catalysts, glass coatings, antifouling paints, and polymer stabilization, particularly for polyvinyl chloride (PVC). However, growing concerns over their environmental toxicity and potential health risks have raised serious questions about their continued use. Despite extensive research demonstrating their effectiveness as light and heat stabilizers, the detrimental impact of tin-based complexes on human health and ecosystems cannot be overlooked. This review explores past research on tin complexes, assessing their effectiveness in polymer stabilization and discussing why their future application should be reconsidered. Given the rising demand for sustainable and non-toxic alternatives, the future of organotin compounds in polymer applications is uncertain, and regulatory restrictions may eventually lead to their phase-out.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"9 ","pages":"Article 101014"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144722245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficient adsorption and photocatalytic degradation of methylene blue using HKUST-1: A novel approach for dye removal and wastewater treatment under sunlight","authors":"Dara M. Aziz ,&nbsp;Sangar A. Hassan ,&nbsp;Shujahadeen B. Aziz ,&nbsp;Dana A. Kader","doi":"10.1016/j.nxmate.2025.101015","DOIUrl":"10.1016/j.nxmate.2025.101015","url":null,"abstract":"<div><div>In this study, a three-dimensional HKUST-1 metal-organic framework (MOF) was synthesized via a solvothermal method under optimized conditions (110 °C for 4 h), achieving high crystallinity and a yield of 75 %. The material was characterized using XRD, FESEM, FTIR, TG, and BET analysis, revealing a surface area of 534.7 m²/g, and the dual performance of HKUST-1 as both an adsorbent and a photocatalyst was investigated using Methylene Blue (MB) as a model pollutant. The material demonstrated an adsorption efficiency of 95.04 ± 1.00 % and a sunlight-driven photodegradation efficiency of 86 %, with a photodegradation rate constant of 0.019 ± 0.360 min⁻¹ , the radical scavenging experiments confirmed that superoxide radicals (•O₂⁻) were the dominant active species. Furthermore, the material retained over 80 % of its removal efficiency after four reuse cycles. These findings demonstrate that HKUST-1 is a promising bifunctional material for sustainable wastewater dye treatment under natural sunlight.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"9 ","pages":"Article 101015"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144722856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advancements in oil-water separation: The role of molybdenum and tungsten disulfide as cutting-edge 2D nanomaterials","authors":"Yaşar Kemal Recepoğlu ,&nbsp;Ayşegül Yağmur Gören","doi":"10.1016/j.nxmate.2025.101007","DOIUrl":"10.1016/j.nxmate.2025.101007","url":null,"abstract":"<div><div>This article reviews recent strides in synthesizing, functionalizing, and utilizing molybdenum disulfide (MoS₂) and tungsten disulfide (WS₂) nanomaterials owing to their exceptional wetting properties, which facilitate oil-water separation. Among various materials explored, they have also emerged as particularly promising candidates due to their high surface area, tunable surface chemistry, and unique layered structure. The two-dimensional (2D) morphology offers abundant active sites, enhanced interaction with water molecules, and the ability to engineer surface wettability at the nanoscale, all of which are highly advantageous for efficient oil-water separation. Distinct separation mechanisms, performance benchmarks, and potential integration into practical separation setups were meticulously surveyed and analyzed. Furthermore, to elucidate the superiority of MoS₂ and WS₂ 2D nanomaterials over alternative methodologies for oil-water separation, we comprehensively examined other techniques, including membrane processes, electrocoagulation, adsorption with modified materials, and biological methods. For instance, the high membrane, operational, and maintenance costs, scaling, fouling, expensive production steps, high energy consumption, and complex operations are significant limitations of other processes for oil-water separation. On the other hand, the MoS₂ and WS₂ nanomaterials provide sustainable and effective oil-water separation performance compared to other processes owing to their unique properties, such as superior reusability, high separation efficiency, excellent hydrophobicity (water-repelling) and oleophilicity (oil-attracting) features, significant chemical and thermal stability, and enhanced photocatalytic properties. This review showed that the oil-water separation efficiency of the MoS₂ and WS₂-based materials was 70–100 %. The highest oil-water separation efficiency of 100 % is observed using cellulose acetate -MoS₂ fibrous sponge from a toluene-water mixture at a pH of 8. Nevertheless, while MoS₂ and WS₂ nanomaterials promise oil-water separation owing to their unique properties, their limitations, such as cost, scalability, environmental concerns, agglomeration, regeneration challenges, and potential toxicity, must be carefully addressed. Consequently, further research and development are necessary to overcome these hurdles and fully realize their potential in practical applications.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"9 ","pages":"Article 101007"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144722246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation of the half-metallic properties of cubic perovskites RCoO3 (R=Pr and Nd): A DFT perspective","authors":"Poonam Mehra ,&nbsp;Hardev S. Saini ,&nbsp;Mukhtiyar Singh ,&nbsp;Manish K. Kashyap","doi":"10.1016/j.nxmate.2025.101012","DOIUrl":"10.1016/j.nxmate.2025.101012","url":null,"abstract":"<div><div>The structural, electronic, and magnetic properties of cubic perovskite compounds RCoO₃ (R = Pr and Nd) are studied using the full-potential linearized augmented plane wave (FPLAPW) method based on density functional theory (DFT). The phonon dispersion curves, elastic properties and formation energies confirm the stability of both perovskites. The analysis is performed using two exchange-correlation (XC) functionals: GGA and mBJ-GGA. Among these, the semi-local mBJ-GGA potential predicts half-metallic band gaps of 0.40 eV for PrCoO₃ and 0.37 eV for NdCoO₃, indicating that both compounds exhibit half-metallicity. The elastic constants C₁₁, C₁₂, and C₄₄ for the cubic perovskites are calculated to assess the dynamical stability of the materials and are subsequently used to determine elastic moduli—namely, the shear modulus, Young’s modulus, and bulk modulus. Additional mechanical properties, including Poisson’s ratio, anisotropy factor, and Pugh’s ratio, are also evaluated. The total magnetic moment is primarily attributed to the rare-earth (R) atom, while small induced magnetic moments are observed on the Co and O atoms. The half-metallic nature of the compounds is confirmed by the integer values of total magnetic moments i.e. 2 μ_B for PrCoO₃ and 3 μ_B for NdCoO₃. The presence of a half-metallic gap and 100 % spin polarization at the Fermi level (E_F) demonstrates that these compounds are true half-metallic ferromagnets and may be suitable for spintronic applications.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"9 ","pages":"Article 101012"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144722855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}