Materials Chemistry and Physics最新文献_第10页

Unmodified Mg/Al layered double hydroxide clay with versatile and specific adsorption capacity over high spectrum type of harmful contaminants 未改性镁/铝层状双氢氧化物粘土，对高光谱有害污染物具有多功能和特定的吸附能力

IF 4.3 3区材料科学

Materials Chemistry and Physics Pub Date : 2024-08-08 DOI: 10.1016/j.matchemphys.2024.129835

{"title":"Unmodified Mg/Al layered double hydroxide clay with versatile and specific adsorption capacity over high spectrum type of harmful contaminants","authors":"","doi":"10.1016/j.matchemphys.2024.129835","DOIUrl":"10.1016/j.matchemphys.2024.129835","url":null,"abstract":"<div>The present study investigates the effectiveness of Mg/Al layered double hydroxide (MATclay) for adsorbing Congo Red dye (CR) from wastewater. MATclay was prepared using a cost-effective co-precipitation method at pH 9.5, ensuring both chemical and mechanical stability. The in-depth physico-chemical characterization of MATclay sample was performed using various techniques, including FE-SEM, FT-IR, XRD, DLS, BET surface area, Zeta potential, TEM, XPS, XAS, and TGA. Batch experiments were performed to evaluate the adsorptive performance under different conditions (30–100 mg/L initial concentration, 298–320 K temperature range, and 5–180 min contact time). The adsorption data fit best with the Langmuir model, indicating monolayer adsorption with a maximum capacity of 60.61 mg/g. Post-adsorption analysis with SEM, XRD, and TGA confirmed the interaction of CR with MATclay. Furthermore, the MATclay material was applied as potential adsorbent for other type of pollutants, namely cationic dye (Methylene Blue) and antibiotics (Metronidazole, Tetracycline, and Cefotaxime), the data obtained in this complementary study showing good results for the removal of Tetracycline and Cefotaxime antibiotics. Overall, MATclay demonstrates potential as an effective adsorbent for CR dye and other pollutants in wastewater treatment.</div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0254058424009635/pdfft?md5=f4027ea2ec2699675346aadc3dcea731&pid=1-s2.0-S0254058424009635-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141963907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Rice husk-derived photothermal materials for membrane distillation 用于膜蒸馏的稻壳衍生光热材料

IF 4.3 3区材料科学

Materials Chemistry and Physics Pub Date : 2024-08-08 DOI: 10.1016/j.matchemphys.2024.129837

{"title":"Rice husk-derived photothermal materials for membrane distillation","authors":"","doi":"10.1016/j.matchemphys.2024.129837","DOIUrl":"10.1016/j.matchemphys.2024.129837","url":null,"abstract":"<div>This study aimed to develop innovative photothermal materials derived from agricultural by-products (rice husk), with a primary focus on assessing the potential of both rice husk ash (RHA) and rice husk char (RHC) powders as effective photothermal for localised heating. A comparative analysis of their feasibility for membrane integration and photothermal performance was conducted through comprehensive physical, chemical, and optical characterisations. The RHC powder demonstrated superior qualities for utilisation in comparison with RHA. This superiority is attributed to several key factors: a notably high production yield (40.3 %), a smaller particle size of z-average (0.65 μm), a significantly larger effective BET surface area (301.78 m2 g−1), smaller pore size (2.78 nm) and an elevated total pore volume (0.21 cm³.g−1). Dominated by a significant carbon content of 38.5 %, RHC powder showcased minimal light reflection (<5 %) and excellent light absorption across the entire spectrum, while RHA exhibited reflectance of more than 40 %, with light absorption occurring solely in the UV region. Moreover, RHC powder displaced superior light-to-thermal conversion, evident in a 20.9 °C temperature rise (83.6 %) from a 90-min exposure to a 0.4 kW m−2 full spectrum light source. The findings of this study firmly established RHC powder as the preferred alternative option for sustainable photothermal materials, given its physical properties compatible with membrane integration and exceptional photothermal conversion ability.</div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142044723","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

Cotton fiber-derived carbon decorated with MoS2 for high electromagnetic wave absorption 用 MoS2 对棉纤维衍生碳进行装饰，实现高电磁波吸收率

IF 4.3 3区材料科学

Materials Chemistry and Physics Pub Date : 2024-08-08 DOI: 10.1016/j.matchemphys.2024.129844

引用次数: 0

Magnetically controlled transdermal delivery of gemcitabine via xanthan gum-coated magnetic nanoparticles embedded in gellan gum cryogel 通过嵌入结冷胶的黄原胶包裹的磁性纳米粒子磁控透皮给药吉西他滨

IF 4.3 3区材料科学

Materials Chemistry and Physics Pub Date : 2024-08-08 DOI: 10.1016/j.matchemphys.2024.129836

{"title":"Magnetically controlled transdermal delivery of gemcitabine via xanthan gum-coated magnetic nanoparticles embedded in gellan gum cryogel","authors":"","doi":"10.1016/j.matchemphys.2024.129836","DOIUrl":"10.1016/j.matchemphys.2024.129836","url":null,"abstract":"<div>Chemotherapy is a commonly used treatment for breast cancer, but it often causes significant side effects due to the high drug dosage required for injection or infusion administration. Transdermal drug delivery offers a non-invasive and controlled release approach. In this work, a novel approach was developed for using gellan gum as a drug matrix and Gemcitabine loaded xanthan gum coated Fe3O4 magnetic nanoparticles (Gem: Xan (1%v/v)Fe3O4) as a drug carrier complex. The magnetization values were found to be 84.69 emu/g, 16.63 emu/g, and 9.91 emu/g for Fe3O4, Xan (1%v/v)Fe3O4, and Gem: Xan (1%v/v)Fe3O4, respectively. Notably, this work showcases the synthesis of Gemcitabine loaded xanthan gum coated magnetic nanoparticles as a new drug carrier complex, explores the drug release kinetics, and demonstrates the biocompatibility and non-toxicity of gellan gum on human skin, offering promising implications for transdermal drug delivery. The Gemcitabine release was 54 % without magnetic nanoparticles, and it increased to 82 % with the incorporation of magnetic nanoparticles. The Gemcitabine release – permeation of Gem: Xan (1%v/v)Fe3O4 was higher than that of the pristine Gemcitabine permeation by 72 %. The experimental results revealed that the magnetic field played a crucial role in controlling the drug release rate, amount, and duration during the release and release-permeation study.</div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141963902","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 of functionalized superparamagnetic iron oxide nanoparticles for ibuprofen and naproxen hydrophobic drugs delivery 用于布洛芬和萘普生疏水性给药的功能化超顺磁性氧化铁纳米粒子的合成

IF 4.3 3区材料科学

Materials Chemistry and Physics Pub Date : 2024-08-08 DOI: 10.1016/j.matchemphys.2024.129775

{"title":"Synthesis of functionalized superparamagnetic iron oxide nanoparticles for ibuprofen and naproxen hydrophobic drugs delivery","authors":"","doi":"10.1016/j.matchemphys.2024.129775","DOIUrl":"10.1016/j.matchemphys.2024.129775","url":null,"abstract":"<div>In this study, we have developed a superparamagnetic iron oxide (IONPs) nanocarrier bi-functionalized using β-cyclodextrin (CD) and chitosan (CS) molecules. The synthesized semi-spherical CS-CD–SIO–NPs were mono-dispersed in size distribution with the average diameter of 80 nm. The loading of ibuprofen (IBU) and naproxen (NAP) on the surface of the CS-CD–SIO–NPs as hydrophobic drug models were evaluated as the function of temperature and pH values. Using the optimal conditions, the NAP-loaded CS-CD–SIO–NPs showed Korsmeyer- Peppas kinetics governed by diffusion and swelling of the drug molecule. On the other hand, IBU-loaded nanocarrier followed the zero-order kinetic model, where the release profile is independent of its concentration. Nitrogen adsorption-desorption isotherms revealed the mono-dispersed ink-bottle shapes of the pores (pore size ∼2–4 nm) on the surface of mesoporous CS-CD–SIO–NPs. The synthesized nanocarrier exhibited enhanced biocompatibility in the presence of 3T3 and HepG2 cell lines (90 % cell viability up to 150 μg/mL concentration. Overall, the developed β-CD and chitosan grafted-iron oxide nanocarrier showed enhanced drug release kinetics and biocompatibility, which can be ideal for drug delivery applications, especially for hydrophobic drugs.</div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142013006","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

Effect of current density on microstructure, mechanical behavior and corrosion resistance of black MAO coating on 6063 aluminum alloy 电流密度对 6063 铝合金黑色 MAO 涂层微观结构、机械性能和耐腐蚀性的影响

IF 4.3 3区材料科学

Materials Chemistry and Physics Pub Date : 2024-08-07 DOI: 10.1016/j.matchemphys.2024.129800

引用次数: 0

Electrochemical reduction of Al(III) and Si(IV) in the NaF-AlF3-Al2O3-SiO2 molten salt system and preparation of homogeneous Al-Si alloys by molten salt electrolysis NaF-AlF3-Al2O3-SiO2 熔盐体系中铝（III）和硅（IV）的电化学还原以及通过熔盐电解制备均质铝硅合金

IF 4.3 3区材料科学

Materials Chemistry and Physics Pub Date : 2024-08-07 DOI: 10.1016/j.matchemphys.2024.129801

{"title":"Electrochemical reduction of Al(III) and Si(IV) in the NaF-AlF3-Al2O3-SiO2 molten salt system and preparation of homogeneous Al-Si alloys by molten salt electrolysis","authors":"","doi":"10.1016/j.matchemphys.2024.129801","DOIUrl":"10.1016/j.matchemphys.2024.129801","url":null,"abstract":"<div>The segregation of aluminum-silicon alloys directly impacts the mechanical and chemical properties of the alloys, Therefore, homogenization of alloys is of great significance for alloys. This study initially investigated the electrochemical behavior of aluminum (III) and silicon (IV) during the preparation of aluminum-silicon (Al-Si) alloys in NaF-AlF3-Al2O3-SiO2 molten salts through cyclic voltammetry and steady-state polarization. The results revealed that Al2O3 underwent one-step reduction to Al, whereas SiO2 underwent a two-step reduction process to Si. In addition, electrolysis experiments were carried out in a NaF-AlF3-Al2O3-SiO2-5wt%CaF2-1wt%MgF2-2wt%LiF molten salt system with molecular ratio of 2.4. These experiments involved variations in current density, electrolysis time, Al2O3 and SiO2 additions. It is worth noting that under the conditions of current density of 0.7 A/cm2, electrolysis time of 2 h, and silica addition of 2 %, the reduction rate of silicon reached a maximum value of 72.57 %, at which time the silicon in the aluminum-silicon alloys showed a dendritic structure, which was uniformly distributed throughout the entire alloy, and the segregation of the alloy was effectively avoided.</div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141992987","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

Insight into anti-corrosion behavior of Cladanthus mixtus (L.) flower extracts as a biodegradable inhibitor for carbon steel in acid medium: Experimental and theoretical studies Cladanthus mixtus (L.) 花提取物作为生物可降解抑制剂在酸性介质中对碳钢的防腐蚀行为的深入研究：实验和理论研究

IF 4.3 3区材料科学

Materials Chemistry and Physics Pub Date : 2024-08-06 DOI: 10.1016/j.matchemphys.2024.129827

{"title":"Insight into anti-corrosion behavior of Cladanthus mixtus (L.) flower extracts as a biodegradable inhibitor for carbon steel in acid medium: Experimental and theoretical studies","authors":"","doi":"10.1016/j.matchemphys.2024.129827","DOIUrl":"10.1016/j.matchemphys.2024.129827","url":null,"abstract":"<div>This study conducted a comprehensive investigation into the corrosion inhibition potency of the essential oil of flowers (EOF) and the aqueous extract of flowers (AQEF), a by-product liquid waste derived from the extraction process of Clandanthus mixtus (L.), towards carbon steel in 1 M HCl. Phytochemical screening, gas chromatography (GC), and gas chromatography coupled to mass spectrometry (GC-MS) were employed to explore the chemical composition of the extracts. Flavonoids, tannins, and coumarins were identified as chemical families present in the extracts, while palmitic acid (10 %) and arcurcumene (39.1 %) were found to be the most important constituents, comprising 49.1 % of the total composition of the essential oil. Electrochemical techniques, including Tafel extrapolation methods and electrochemical impedance spectroscopy (EIS), were used to evaluate the inhibition efficiency of the extracts. The inhibition efficiencies reached a maximum of 80 % following a mixed-type inhibition mechanism. The temperature effect was evaluated, revealing a physisorption process followed by desorption at higher temperatures. The synergistic effect between the extract and potassium iodide was assessed at different doses, demonstrating their cooperative role in reducing steel surface deterioration. Surface micrographs were acquired through scanning electron microscopy (SEM) with the Energy Dispersive X-ray (EDX) method in the presence of AQEF, confirming the establishment of a protective barrier that mitigates the corrosive effects of hydrochloric acid. Additionally, this study employed Density Functional Theory (DFT) and Molecular Dynamics (MD) simulations to investigate the behavior of AQEF compounds against corrosion.</div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940525","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

Determination of structural features of silver nanoparticles synthesized by vacuum thermal evaporation on a carbon substrate 测定在碳基底上通过真空热蒸发合成的银纳米粒子的结构特征

IF 4.3 3区材料科学

Materials Chemistry and Physics Pub Date : 2024-08-06 DOI: 10.1016/j.matchemphys.2024.129810

{"title":"Determination of structural features of silver nanoparticles synthesized by vacuum thermal evaporation on a carbon substrate","authors":"","doi":"10.1016/j.matchemphys.2024.129810","DOIUrl":"10.1016/j.matchemphys.2024.129810","url":null,"abstract":"<div>Silver is one of the most promising nanomaterials for plasmonic applications, but it has become clear that the shape and internal symmetry of nanoparticles can significantly affect the scattering and absorption of light waves. Therefore, for the use of silver nanoclusters in plasmonic applications, it is very important to determine the conditions of stability of the structure and form of Ag nanoparticles. To this end high-resolution electron microscopy was used to examine initial and annealed arrays of silver nanoparticles with diameters ranging from 0.8 to 9.4 nm, formed on a carbon substrate by vacuum thermal evaporation. It was found that small Ag nanoparticles (D < 3.0 nm) have almost perfect FCC structure, while nanoparticles of larger diameter unexpectedly have predominantly icosahedral or decahedral facets. To explain this contradiction from the perspective of standard crystallographic theory, molecular dynamics simulations using the TB-SMA potential were conducted to study the stability limits of structural modifications of silver nanoclusters of similar diameters, and possible atomic rearrangement mechanisms that could lead to such experimental results were found. Based on the results of the computer analysis, conclusions were drawn about the technological possibilities of creating the desired crystal structure of Ag nanoparticles when preparing SERS substrates.</div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141991362","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

Electrodeposition of compact silver from ligand-free methanesulfonic acid-based electrolyte containing copper ions 从含铜离子的无配体甲磺酸基电解液中电沉积密银

IF 4.3 3区材料科学

Materials Chemistry and Physics Pub Date : 2024-08-06 DOI: 10.1016/j.matchemphys.2024.129832

{"title":"Electrodeposition of compact silver from ligand-free methanesulfonic acid-based electrolyte containing copper ions","authors":"","doi":"10.1016/j.matchemphys.2024.129832","DOIUrl":"10.1016/j.matchemphys.2024.129832","url":null,"abstract":"<div>Ag coatings have been applied recently as surface finish for electric vehicles. However, conventional electrodeposition uses cyanide in electrodeposition baths, promoting issues on toxicity, environmental and safety concerns, and high cost for wastewater treatment. In this study, a compact Ag film was prepared by electrodeposition in an environmentally-friendly methanesulfonic acid (MSA)-based electrolyte containing Cu2+ for application. Electrochemical analyses indicated that the inclusion of Cu2+ ions in the electrolyte inhibited Ag+ reduction and resulted in grain refinement without alloy formation, particularly during the initial stage of Ag+ deposition. The Cu2+ ion increased the compactness of the structure, thereby increasing the ultimate tensile strength from 87 MPa to 159 MPa and hardness from 58 Hv10gf to 67 Hv10gf, while decreasing the electrical resistivity from 1.77 μΩ∙cm to 1.69 μΩ cm. Additionally, an Ag film with the thickness of 5–6 μm was electrodeposited on busbar-like structure and subjected to a tarnish test in 10 mM Na2S aqueous solution. The Ag film obtained in a Cu2+ -containing bath exhibited better tarnish resistance because of its compactness and small grain size. Therefore, this study demonstrated the fabrication of a compact Ag structure in an acidic ligand-free MSA-based electrolyte with Cu2+ ions with potential applications for cases that require an acidic environment, such as pattern plating on a photoresist-covered surface.</div>","PeriodicalId":18227,"journal":{"name":"Materials Chemistry and Physics","volume":null,"pages":null},"PeriodicalIF":4.3,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141963908","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