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Strategic tuning of multi-component NiMoP/TMD-rGO-PANI catalysts for efficient alkaline hydrogen evolution reaction 多组分NiMoP/TMD-rGO-PANI催化剂高效碱性析氢反应的策略调整
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2026-04-15 Epub Date: 2026-01-31 DOI: 10.1016/j.matlet.2026.140180
Rijith Sreenivasan , Sarika Sasidharan , Aswathy Retnakaran Sugandhi , Abhilash Sudhakaran , Antony Bruz , Sumi Vijayakumari Sasidharan Nair
{"title":"Strategic tuning of multi-component NiMoP/TMD-rGO-PANI catalysts for efficient alkaline hydrogen evolution reaction","authors":"Rijith Sreenivasan ,&nbsp;Sarika Sasidharan ,&nbsp;Aswathy Retnakaran Sugandhi ,&nbsp;Abhilash Sudhakaran ,&nbsp;Antony Bruz ,&nbsp;Sumi Vijayakumari Sasidharan Nair","doi":"10.1016/j.matlet.2026.140180","DOIUrl":"10.1016/j.matlet.2026.140180","url":null,"abstract":"<div><div>We developed a hybrid electrocatalyst of polyaniline (PANI), reduced graphene oxide (rGO), and transition metal dichalcogenides (TMDs) embedded in a NiMoP matrix via electroless plating. This architecture enhances charge carrier mobility, facilitates ion transport, and increases active site exposure, while NiMoP ensures stability. The rGO-PANI-TMD heterostructure lowers kinetic barriers and accelerates charge transfer. The optimized catalyst achieved excellent alkaline HER performance (η<sub>10</sub> = 90.1 mV, b = 91 mVdec<sup>−1</sup>), high exchange current density, and durability, offering a scalable, cost-effective route to robust electrocatalysts for efficient hydrogen production.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"409 ","pages":"Article 140180"},"PeriodicalIF":2.7,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146171495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Evaluation of the healing potential of a 3D biomembrane with carrageenan matrix in an excisional wound model 卡拉胶基质三维生物膜在切除伤口模型中的愈合潜力评估
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2026-04-15 Epub Date: 2026-02-05 DOI: 10.1016/j.matlet.2026.140200
Jonathan Elias Rodrigues Martins , David da Silva Braz , Amanda Batista Nascimento , Paulo Elesson Guimarães de Oliveira , Denner Silvino da Silva , José Ednésio da Cruz Freire , Francisco Carlos Carneiro Soares Salomão , Marilia de Albuquerque Oliveira , Carlúcio Roberto Alves , Márjory Lima Holanda Araújo , Felipe Pantoja Mesquita , Jannison Karlly Cavalcante Ribeiro , Pedro Everson Alexandre de Aquino , Luciana Maria de Barros Carlos , Francisca Vânia Barreto Aguiar Ferreira Gomes , Luany Elvira Mesquita Carvalho , Vânia Marilande Ceccatto
{"title":"Evaluation of the healing potential of a 3D biomembrane with carrageenan matrix in an excisional wound model","authors":"Jonathan Elias Rodrigues Martins ,&nbsp;David da Silva Braz ,&nbsp;Amanda Batista Nascimento ,&nbsp;Paulo Elesson Guimarães de Oliveira ,&nbsp;Denner Silvino da Silva ,&nbsp;José Ednésio da Cruz Freire ,&nbsp;Francisco Carlos Carneiro Soares Salomão ,&nbsp;Marilia de Albuquerque Oliveira ,&nbsp;Carlúcio Roberto Alves ,&nbsp;Márjory Lima Holanda Araújo ,&nbsp;Felipe Pantoja Mesquita ,&nbsp;Jannison Karlly Cavalcante Ribeiro ,&nbsp;Pedro Everson Alexandre de Aquino ,&nbsp;Luciana Maria de Barros Carlos ,&nbsp;Francisca Vânia Barreto Aguiar Ferreira Gomes ,&nbsp;Luany Elvira Mesquita Carvalho ,&nbsp;Vânia Marilande Ceccatto","doi":"10.1016/j.matlet.2026.140200","DOIUrl":"10.1016/j.matlet.2026.140200","url":null,"abstract":"<div><div>Impaired wound healing, particularly under diabetic conditions, demands biomaterials capable of providing structural stability and biological support. In this study, a bioactive iota/kappa-carrageenan hydrogel membrane was fabricated by extrusion-based 3D printing and evaluated in excisional wound models in healthy and diabetic mice. The printed membrane, incorporating proline, hydroxyproline, α-bisabolol, peptides, and zinc sulfate (1% <em>w</em>/<em>v</em> each), exhibited sustained zero-order release kinetics (Y = 0.0163× + 1.336) and reduced water absorption compared with polymeric controls (<em>p</em> &lt; 0.05). Atomic force microscopy revealed increased surface roughness (62.74 nm versus 51.64 nm), indicating polymer reorganization. In vivo, the bioactive membrane significantly accelerated wound contraction, increased collagen deposition, and enhanced fibroblast density in healthy animals (<em>p</em> &lt; 0.05). In diabetic wounds, treatment improved collagen organization and significantly increased VEGF and FGF2 expression, indicating enhanced angiogenesis and fibroplasia. These results demonstrate that the 3D-printed carrageenan membrane provides a stable and biologically active platform for wound repair.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"409 ","pages":"Article 140200"},"PeriodicalIF":2.7,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146171499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Solvent-dependent Plasmonic response of laser-ablated gold nanoparticles for SERS detection of methylene blue 激光烧蚀金纳米粒子对亚甲基蓝SERS检测的溶剂依赖等离子体响应
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2026-04-15 Epub Date: 2026-02-03 DOI: 10.1016/j.matlet.2026.140214
Omar Gaspar-Ramírez , Jesús Cervantes-Martínez , L.P. Rivera , J.G. Quiñones-Galván
{"title":"Solvent-dependent Plasmonic response of laser-ablated gold nanoparticles for SERS detection of methylene blue","authors":"Omar Gaspar-Ramírez ,&nbsp;Jesús Cervantes-Martínez ,&nbsp;L.P. Rivera ,&nbsp;J.G. Quiñones-Galván","doi":"10.1016/j.matlet.2026.140214","DOIUrl":"10.1016/j.matlet.2026.140214","url":null,"abstract":"<div><div>Gold nanoparticles (Au-NPs) were synthesized by pulsed laser ablation in liquids for their application in surface-enhanced Raman spectroscopy (SERS) detection of methylene blue (MB). A Nd:YAG laser was employed to ablate a gold target immersed methanol, ethanol, acetone, or isopropanol. UV–Vis spectroscopy revealed solvent-dependent shifts of the localized surface plasmon resonance (LSPR).</div><div>Au-NPs obtained in isopropanol showed the most intense plasmonic response and strongest Raman enhancement, enabling clear identification of MB vibrational modes. The results highlight how solvent polarity and dielectric constant influence nanoparticles aggregation, morphology, and plasmonic coupling, offering a clean and controllable route to design SERS-active nanostructures.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"409 ","pages":"Article 140214"},"PeriodicalIF":2.7,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146171603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Design of polycaprolactone/MXene@PDA composite coating on MAO-treated magnesium alloy for enhanced photothermal antimicrobial property 聚己内酯/MXene@PDA复合涂层增强光热抗菌性能的设计
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2026-04-15 Epub Date: 2026-02-08 DOI: 10.1016/j.matlet.2026.140235
Fei Meng, Hongrun Luo, Ruixue Sun
{"title":"Design of polycaprolactone/MXene@PDA composite coating on MAO-treated magnesium alloy for enhanced photothermal antimicrobial property","authors":"Fei Meng,&nbsp;Hongrun Luo,&nbsp;Ruixue Sun","doi":"10.1016/j.matlet.2026.140235","DOIUrl":"10.1016/j.matlet.2026.140235","url":null,"abstract":"<div><div>A novel multi-functional composite coating with micro-arc oxidation (MAO) coating as the inner layer, polycaprolactone (PCL) coating doped with polydopamine (PDA) modified MXene (MXene@PDA) as the outer layer was successfully prepared on AZ31B alloy. The few-layer Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> MXene can be uniformly and stably dispersed in PCL layer after modification with PDA. Compared with the AZ31B alloy, the MAO-PCL/MXene@PDA composite coating exhibited an increase of three orders of magnitude in charge-transfer resistance (<em>R</em><sub><em>ct</em></sub>) and demonstrated self-healing performance driven by near-infrared (NIR) irradiation. The addition of MXene@PDA particles can endow the composite coating with good photothermal antibacterial performance with 92.5% and 95.8% efficacy against <em>E. coli</em> and <em>S. aureus</em>, respectively. Moreover, the cellular experiments confirmed the low cytotoxicity of the composite coating and its great capacity for promoting cell proliferation as well as osteogenic differentiation.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"409 ","pages":"Article 140235"},"PeriodicalIF":2.7,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146171579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Structure and property comparison of bovine cancellous bone, demineralized bone matrix, and hydroxyapatite for localized bone graft applications 牛松质骨、脱矿骨基质和羟基磷灰石局部骨移植的结构和性能比较
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2026-04-15 Epub Date: 2026-02-06 DOI: 10.1016/j.matlet.2026.140230
Octarina , Florencia Livia Kurniawan , Niko Falatehan , Karen Sofiana , Astri Rinanti , Meircurius Dwi Condro Surboyo
{"title":"Structure and property comparison of bovine cancellous bone, demineralized bone matrix, and hydroxyapatite for localized bone graft applications","authors":"Octarina ,&nbsp;Florencia Livia Kurniawan ,&nbsp;Niko Falatehan ,&nbsp;Karen Sofiana ,&nbsp;Astri Rinanti ,&nbsp;Meircurius Dwi Condro Surboyo","doi":"10.1016/j.matlet.2026.140230","DOIUrl":"10.1016/j.matlet.2026.140230","url":null,"abstract":"<div><div>Bovine-derived bone graft materials are widely used for localized bone defect treatment, yet direct comparisons of different processing forms remain limited. In this study, bovine cancellous bone (BBC), demineralized bone matrix cancellous (DBMC), and bovine-derived hydroxyapatite (HAp) were prepared from the same source in standardized cube form and comparatively evaluated. BBC retained a natural trabecular architecture with large interconnected pores and exhibited the highest compressive strength (13.27 ± 8.13 MPa). DBMC showed a collagen-rich, amorphous structure with high swelling capacity but markedly reduced mechanical strength (1.49 ± 0.79 MPa). HAp demonstrated high crystallinity, low swelling, and brittle mechanical behavior with low compressive strength (1.22 ± 0.68 MPa). All materials exhibited high cell viability (&gt;90%). These findings reveal clear structure–property relationships among bovine-derived grafts and support informed material selection for localized bone defect applications.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"409 ","pages":"Article 140230"},"PeriodicalIF":2.7,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146171583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Electrolyte-dependent ion transport dynamics in MnMoO4 electrodes for supercapacitor applications 用于超级电容器的MnMoO4电极中电解质依赖的离子传输动力学
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2026-04-15 Epub Date: 2026-01-22 DOI: 10.1016/j.matlet.2026.140111
Kaaviyapriya S.S., Abinash Kumararaj, Geetha Arunachalam
{"title":"Electrolyte-dependent ion transport dynamics in MnMoO4 electrodes for supercapacitor applications","authors":"Kaaviyapriya S.S.,&nbsp;Abinash Kumararaj,&nbsp;Geetha Arunachalam","doi":"10.1016/j.matlet.2026.140111","DOIUrl":"10.1016/j.matlet.2026.140111","url":null,"abstract":"<div><div>This study examines MnMoO<sub>4</sub> synthesized using the co-precipitation method, characterized by XRD, SEM, FTIR, UV-VIS, and nickel foam substrate post-SEM examination. At 1 A /g, 2 M KOH and the Redox-Additive Electrolyte (RAE) (2 M KOH + 0.05 M K₃[Fe(CN)₆]) exhibit specific capacitances of 225 F/g and 405 F/g, respectively. Redox activity and faster ion diffusion improve RAE performance, with the electrode retaining 88.6% capacitance even after 5000 cycles.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"409 ","pages":"Article 140111"},"PeriodicalIF":2.7,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146057489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
First-principles calculations reveal two interface mechanisms to improve dispersion and strength of TiB2/Cu composites 第一性原理计算揭示了改善TiB2/Cu复合材料分散性和强度的两种界面机制
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2026-04-15 Epub Date: 2026-01-29 DOI: 10.1016/j.matlet.2026.140159
Yihang Pang , Pengtao Li , Yihui Jiang , Haorui Zhong , Xingde Zhang , Fei Cao , Yanfang Wang , Di Huang
{"title":"First-principles calculations reveal two interface mechanisms to improve dispersion and strength of TiB2/Cu composites","authors":"Yihang Pang ,&nbsp;Pengtao Li ,&nbsp;Yihui Jiang ,&nbsp;Haorui Zhong ,&nbsp;Xingde Zhang ,&nbsp;Fei Cao ,&nbsp;Yanfang Wang ,&nbsp;Di Huang","doi":"10.1016/j.matlet.2026.140159","DOIUrl":"10.1016/j.matlet.2026.140159","url":null,"abstract":"<div><div>TiB<sub>2</sub> ceramics are ideal reinforcements for high-conductivity copper matrix composites, but poor interfacial wettability causes particle agglomeration and performance degradation. This study integrates first-principles calculations and experiments to elucidate the effects of 15 dopants on TiB<sub>2</sub>/Cu interfacial energy. The undoped interface exhibits a high interfacial energy of 5.56 J/m<sup>2</sup>, which is significantly reduced via two mechanisms: orbital hybridization dominated by Ce (Ce-4f/Cu-3d/B-2p coupling) and electrostatic interactions primarily induced by La. Reduced interfacial energy promotes nucleation, suppresses particle growth, refines TiB<sub>2</sub> dispersion, and enhances composite tensile strength, providing theoretical guidance for interface engineering and microstructure control.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"409 ","pages":"Article 140159"},"PeriodicalIF":2.7,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146076734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
A silver-loaded urea-modified bamboo-based activated carbon as an effective material for formaldehyde removal and antibacterial applications in interior decoration 一种载银脲基改性竹基活性炭在室内装饰中去除甲醛和抗菌的有效材料
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2026-04-15 Epub Date: 2026-01-26 DOI: 10.1016/j.matlet.2026.140166
Yang Fan , Yu Liyan , Guoguo Liu
{"title":"A silver-loaded urea-modified bamboo-based activated carbon as an effective material for formaldehyde removal and antibacterial applications in interior decoration","authors":"Yang Fan ,&nbsp;Yu Liyan ,&nbsp;Guoguo Liu","doi":"10.1016/j.matlet.2026.140166","DOIUrl":"10.1016/j.matlet.2026.140166","url":null,"abstract":"<div><div>A bamboo-based activated carbon (BAC) was modified with urea and silver-loaded via glucose reduction to develop a multifunctional material for formaldehyde removal and antibacterial protection in indoor environments. Urea modification introduced nitrogen groups, while silver enhanced both the pore structure and surface chemistry of BAC. The optimal sample, BAC-7Ag-5U, showed 89.5% formaldehyde removal in static tests, significantly improving from 52.5% in unmodified BAC. In dynamic tests, it demonstrated an effective service time of 133.6 h, approximately 26.6 times longer than the original BAC. Antibacterial tests revealed a 6.3 mm inhibition zone against <em>Staphylococcus aureus</em>, highlighting BAC-7Ag-5U as a promising material for sustainable air purification and antibacterial applications in interior decoration.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"409 ","pages":"Article 140166"},"PeriodicalIF":2.7,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146076735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Synergistic enhancement of ionic transport and interfacial stability in PVA-MgCl2 electrolytes via BaTiO3 nanofiller integration for magnesium-ion batteries 镁离子电池用BaTiO3纳米填料对PVA-MgCl2电解质离子传输和界面稳定性的协同增强
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2026-04-15 Epub Date: 2026-01-26 DOI: 10.1016/j.matlet.2026.140167
Rania Gamal , Abdel-Menem Elnemr , Mostafa.A. Moselhy , Reda Khalil , Eslam Sheha
{"title":"Synergistic enhancement of ionic transport and interfacial stability in PVA-MgCl2 electrolytes via BaTiO3 nanofiller integration for magnesium-ion batteries","authors":"Rania Gamal ,&nbsp;Abdel-Menem Elnemr ,&nbsp;Mostafa.A. Moselhy ,&nbsp;Reda Khalil ,&nbsp;Eslam Sheha","doi":"10.1016/j.matlet.2026.140167","DOIUrl":"10.1016/j.matlet.2026.140167","url":null,"abstract":"<div><div>PVA/MgCl<sub>2</sub> electrolytes with 5 wt% BTO show enhanced structural and electrochemical properties. FTIR and UV–Vis confirm BTO incorporation, bandgap reduction, and stronger polymer–ceramic interactions. SEM and XRD reveal porous morphologies, lower polymer crystallinity, and preserved BTO structure. EIS indicates increased ionic conductivity (10<sup>−4</sup> → 6 × 10<sup>−3</sup> S cm<sup>−1</sup>) and reduced activation energy (0.23 → 0.15 eV). LSV, impedance, and DC polarization analyses show improved oxidative stability, lower interfacial resistance, and higher Mg<sup>2+</sup> mobility. Symmetric Mg|PE|Mg cycling demonstrates more uniform Mg deposition/stripping, highlighting the potential of 5 wt% BTO-doped electrolytes for magnesium batteries.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"409 ","pages":"Article 140167"},"PeriodicalIF":2.7,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146076736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Multifunctional PU@WS2-SiO2@PDMS sponge oil spill remediation and flame retardancy 多功能PU@WS2-SiO2@PDMS海绵溢油修复及阻燃
IF 2.7 4区 材料科学
Materials Letters Pub Date : 2026-04-15 Epub Date: 2026-01-27 DOI: 10.1016/j.matlet.2026.140160
Hong Ji , Kexin Hao , Mengye Zhang , Ke Yang , Zhixiang Xing
{"title":"Multifunctional PU@WS2-SiO2@PDMS sponge oil spill remediation and flame retardancy","authors":"Hong Ji ,&nbsp;Kexin Hao ,&nbsp;Mengye Zhang ,&nbsp;Ke Yang ,&nbsp;Zhixiang Xing","doi":"10.1016/j.matlet.2026.140160","DOIUrl":"10.1016/j.matlet.2026.140160","url":null,"abstract":"<div><div>Through a stepwise impregnation-coating strategy, acetylated lignin (AL), modified porous corn starch (MPCS), hydrophobic silica (SiO<sub>2</sub>), and titanium disulfide (WS₂) nanoparticles were integrated into a polyurethane (PU) matrix to prepare multifunctional PU@WS<sub>2</sub>-SiO<sub>2</sub>@PDMS composites. The resulting sponge exhibits stable high hydrophobicity/oleophobicity with a water contact angle (WCA) of 153°. It demonstrates remarkable adsorption capacity (&gt;24 g/g for both diesel and soybean oil), retaining approximately 18 g/g adsorption capacity after 20 cycles while maintaining stable mechanical properties. This material combines outstanding oil-water separation performance with reusability. Thermogravimetric analysis (TGA) indicates the modified sponge retains 4.8 times the residual mass of the original sponge. Furthermore, the WS₂-induced photothermal enhancement effect reduces crude oil adsorption time under illumination from 636 s to 152 s. these combined properties highlight the application potential of PU@WS<sub>2</sub>-SiO<sub>2</sub>@PDMS sponge as a highly efficient, resilient material for oil spill remediation and organic pollutant management</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"409 ","pages":"Article 140160"},"PeriodicalIF":2.7,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146171509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
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