Frontiers of Materials Science最新文献_第2页

Application of SEM-CL system in the characterization of material microstructures SEM-CL系统在材料微结构表征中的应用

IF 2.5 4区材料科学

Frontiers of Materials Science Pub Date : 2024-12-10 DOI: 10.1007/s11706-024-0709-5

Rongrong Jiang, Yirong Yao, Jianmin Guan, Jiafeng Shen, Huanming Lu, Ming Li

引用次数: 0

A unique dual-shell encapsulated structure design achieves stable and high-rate lithium storage of Si@a-TiO2@a-C anode 独特的双壳封装结构设计，实现Si@a-TiO2@a-C阳极稳定、高速率的锂存储

IF 2.5 4区材料科学

Frontiers of Materials Science Pub Date : 2024-12-09 DOI: 10.1007/s11706-024-0708-6

Guang Ma, Chong Xu, Dongyuan Zhang, Sai Che, Yuxin Liu, Gong Cheng, Chenlin Wang, Kexin Wei, Yongfeng Li

{"title":"A unique dual-shell encapsulated structure design achieves stable and high-rate lithium storage of Si@a-TiO2@a-C anode","authors":"Guang Ma, Chong Xu, Dongyuan Zhang, Sai Che, Yuxin Liu, Gong Cheng, Chenlin Wang, Kexin Wei, Yongfeng Li","doi":"10.1007/s11706-024-0708-6","DOIUrl":"10.1007/s11706-024-0708-6","url":null,"abstract":"<div><p>Due to high theoretical capacity and low lithium-storage potential, silicon (Si)-based anode materials are considered as one kind of the most promising options for lithium-ion batteries. However, their practical applications are still limited because of significant volume expansion and poor conductivity during cycling. In this study, we prepared a double core–shell nanostructure through coating commercial Si nanoparticles with both amorphous titanium dioxide (a-TiO<sub>2</sub>) and amorphous carbon (a-C) via a facile sol–gel method combined with chemical vapor deposition. Elastic behaviors of a-TiO<sub>2</sub> shells allowed for the release of strain, maintaining the integrity of Si cores during charge–discharge processes. Additionally, outer layers of a-C provided numerous pore channels facilitating the transport of both Li<sup>+</sup> ions and electrons. Using the distribution of relaxation time analysis, we provided a precise kinetic explanation for the observed electrochemical behaviors. Furthermore, the structural evolution of the anode was explored during cycling processes. The Si@a-TiO<sub>2</sub>@a-C-6 anode was revealed to exhibit excellent electrochemical properties, achieving a capacity retention rate of 86.7% (877.1 mA·h·g<sup>−1</sup> after 500 cycles at a 1 A·g<sup>−1</sup>). This result offers valuable insights for the design of high-performance and cyclically stable Si-based anode materials.</p></div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"18 4","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790308","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

The antibacterial and drug-loaded bilayer poly(ε-caprolactone) fibrous membrane with a shish-kebab structure 具有羊肉串结构的抗菌载药双层聚ε-己内酯纤维膜

IF 2.5 4区材料科学

Frontiers of Materials Science Pub Date : 2024-12-09 DOI: 10.1007/s11706-024-0703-y

Chang Mao, Shan Liang, Yinchun Hu, Yan Wei, Di Huang

{"title":"The antibacterial and drug-loaded bilayer poly(ε-caprolactone) fibrous membrane with a shish-kebab structure","authors":"Chang Mao, Shan Liang, Yinchun Hu, Yan Wei, Di Huang","doi":"10.1007/s11706-024-0703-y","DOIUrl":"10.1007/s11706-024-0703-y","url":null,"abstract":"<div><p>Electrospinning has been widely used in the field of biomedical materials characterized with high porosity and good breathability as well as similarity to the natural extracellular matrix. This study employs the microsol-electrospinning technology combined with the self-induced crystallization method to fabricate the functionalized bilayer poly(ε-caprolactone) (PCL) fibrous membrane with a shish-kebab (SK) structure. The outer layer consists of the antibacterial SK-structured fibrous membrane showing favorable mechanical properties and notable inhibitory effects on the growth of <i>E. coli</i> and <i>S. aureus</i>, while salvianic acid A sodium (SAS) is encapsulated in the inner core–shell and SK-structured PCL fibrous membrane, achieving the controlled and sustained release of SAS. Moreover, good biocompatibility and enhanced cell adhesion of this membrane are also revealed. This antibacterial and drug-loaded bilayer PCL fibrous membrane with a SK structure demonstrates superior mechanical characteristics, exceptional antibacterial properties, and notable biocompatibility, suggesting its favorable outlook for future development in the area of tissue engineering.</p></div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"18 4","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790440","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

Construction of single-atom copper-loaded iron-based MOF/carbon nitride nanosheet heterojunction for enhanced N2 photofixation under visible light 单原子载铜铁基MOF/氮化碳纳米片异质结在可见光下增强N2光固定的构建

IF 2.5 4区材料科学

Frontiers of Materials Science Pub Date : 2024-12-09 DOI: 10.1007/s11706-024-0702-z

Xinshan Rong, Yuqing He, Ping Gao, Ting Sun, Xiangtong Zhou, Zhiren Wu

{"title":"Construction of single-atom copper-loaded iron-based MOF/carbon nitride nanosheet heterojunction for enhanced N2 photofixation under visible light","authors":"Xinshan Rong, Yuqing He, Ping Gao, Ting Sun, Xiangtong Zhou, Zhiren Wu","doi":"10.1007/s11706-024-0702-z","DOIUrl":"10.1007/s11706-024-0702-z","url":null,"abstract":"<div><p>The utilization of photocatalytic nitrogen fixation, a process celebrated for its environmental friendliness and sustainability, has emerged as a promising avenue for ammonia synthesis. The rational design of photocatalysts containing single atoms and heterojunctions has been a long-standing challenge for achieving efficient nitrogen fixation. This study innovatively constructs composite catalysts integrating single-atom copper within metal–organic frameworks (Fe-MOF, NH<sub>2</sub>-MIL-101) and carbon nitride nanosheet (CNNS). The nitrogen fixation efficiency of the Cu@MIL-CNNS heterojunction was 8 and 12 times those of the original MOF and CNNSs, respectively. Through detailed characterization, we unveil a unique charge transfer pathway facilitated by the synergy between single-atom copper and heterojunctions, highlighting the critical function of copper centers as potent active sites. Our findings underscore the transformative potential of single atomic sites in amplifying charge transfer efficiency, propelling advancements in the photocatalyst design.</p></div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"18 4","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790354","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

In-situ grown continuous graphene network enhances the electrical conductivity and tribological properties of copper matrix composites 原位生长的连续石墨烯网络提高了铜基复合材料的导电性和摩擦学性能

IF 2.5 4区材料科学

Frontiers of Materials Science Pub Date : 2024-12-09 DOI: 10.1007/s11706-024-0704-x

Liangliang Zeng, Yilong Liang, Peng Chen

{"title":"In-situ grown continuous graphene network enhances the electrical conductivity and tribological properties of copper matrix composites","authors":"Liangliang Zeng, Yilong Liang, Peng Chen","doi":"10.1007/s11706-024-0704-x","DOIUrl":"10.1007/s11706-024-0704-x","url":null,"abstract":"<div><p>Copper has good electrical conductivity but poor mechanical and wear-resistant properties. To enhance the mechanical and wear-resistant properties of the copper matrix, a strategy of <i>in-situ</i> generation of graphene was adopted. Through ball-milling processes, a carbon source and submicron spherical copper were uniformly dispersed in a dendritic copper. Then, a uniform and continuous graphene network was generated <i>in-situ</i> in the copper matrix during the vacuum hot-pressing sintering process to improve the performance of composites. The graphene product exhibited lubrication effect and provided channels for electrons to move through the interface, improving the wear resistance and the electrical conductivity of composites. When the graphene content in the composite material was 0.100 wt.%, the friction coefficient and the wear rate were 0.36 and 6.36 × 10<sup>−6</sup> mm<sup>3</sup>·N<sup>−1</sup>·m<sup>−1</sup>, diminished by 52% and reduced 5.11 times those of pure copper, respectively, while the electrical conductivity rose to 94.57% IACS and the hardness was enhanced by 47.8%. Therefore, this method provides a new approach for the preparation of highly conductive and wear-resistant copper matrix composite materials.</p></div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"18 4","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790307","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

Graphene oxide-based nanohybrids incorporated in nanofiltration and reverse osmosis membranes for desalination and dye separation: a review 基于氧化石墨烯的纳米杂化膜用于海水淡化和染料分离的纳滤和反渗透膜：综述

IF 2.5 4区材料科学

Frontiers of Materials Science Pub Date : 2024-12-09 DOI: 10.1007/s11706-024-0700-1

Iluska Marques Santos, Carlos Alberto Caldas de Souza

{"title":"Graphene oxide-based nanohybrids incorporated in nanofiltration and reverse osmosis membranes for desalination and dye separation: a review","authors":"Iluska Marques Santos, Carlos Alberto Caldas de Souza","doi":"10.1007/s11706-024-0700-1","DOIUrl":"10.1007/s11706-024-0700-1","url":null,"abstract":"<div><p>Novel advanced nanocomposites formed by associating graphene oxide (GO) nanosheets with other nanomaterials such as titanium dioxide nanoparticles, cellulose nanofibers, cellulose nanocrystals, and carbon nanotubes were incorporated in nanofiltration (NF) and reverse osmosis (RO) membranes for wastewater treatment and desalination. GO-based nanocomposite has promising potential in membrane technology due to its high hydrophilicity, absorption capacity, good dispersibility in water and organic solvents, anti-biofouling properties, and negative charge. Moreover, additional properties can be obtained depending on the nanohybrid formed. This review paper highlights the recent breakthrough in membranes functionalized with GO-based nanohybrids, focusing on membrane performance in terms of permeability, selectivity, and antifouling properties. Although GO-based nanohybrids have made significant progress in membrane technology, improvements are still needed, especially regarding trade-off effects. Furthermore, the studies presented here are limited to laboratory scale, which leads to suggestions for new studies evaluating the possibility of commercial application and the potential environmental impact caused by nanocomposites.</p></div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"18 4","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790309","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

Manganese mineralization-boosted photothermal conversion efficiency of Prussian blue for cancer therapy 锰矿化提高普鲁士蓝光热转换效率用于癌症治疗

IF 2.5 4区材料科学

Frontiers of Materials Science Pub Date : 2024-12-09 DOI: 10.1007/s11706-024-0705-9

Jingjing Zhang, Daliang Zhong, Zhijian Zheng, Qier Li, Xinyan Yang, Zaiqiang Ma, Quan Zhang, Xiangdong Kong, Ruibo Zhao

{"title":"Manganese mineralization-boosted photothermal conversion efficiency of Prussian blue for cancer therapy","authors":"Jingjing Zhang, Daliang Zhong, Zhijian Zheng, Qier Li, Xinyan Yang, Zaiqiang Ma, Quan Zhang, Xiangdong Kong, Ruibo Zhao","doi":"10.1007/s11706-024-0705-9","DOIUrl":"10.1007/s11706-024-0705-9","url":null,"abstract":"<div><p>Although Prussian blue (PB) has been widely investigated as a biocompatible photothermal agent with significant potential in cancer treatment, its further application is still hindered by low photothermal conversion efficiency (PCE) and poor stability. In this study, a biomimetic mineralization approach is employed to improve properties of PB by binding it with manganese phosphate through manganese ions, resulting in the formation of nanocomposite manganese phosphate mineralized Prussian blue (MnP&PB). Compared to PB alone, MnP&PB can significantly enhance the PCE, increasing it to 44.46%, which is attributed to the manganese-induced redshift absorption and the bandgap narrowing in the near-infrared (NIR) region. Meanwhile, MnP&PB demonstrates a significant increase in temperature compared to that of either MnP or PB alone, further enhancing the inhibition effect against cancer under the NIR irradiation. It is revealed that the incorporation of manganese phosphate into PB via biomimetic mineralization lead to the enhancement of both PCE and therapeutic efficacy, thus presenting a promising alternative approach for the improvement of cancer photothermal therapy.</p></div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"18 4","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790306","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

Dual-crosslinked and dual-networked hydrogels with high mechanical properties for cost-effective solar water desalination and purification 具有高机械性能的双交联和双网络水凝胶，用于经济高效的太阳能海水淡化和净化

IF 2.5 4区材料科学

Frontiers of Materials Science Pub Date : 2024-12-02 DOI: 10.1007/s11706-024-0701-0

Shukun Guo, Wenxin Wang, Ruizhi Wang, Yang Chen, Ning Wang, Martin Jensen, Xianfeng Li

{"title":"Dual-crosslinked and dual-networked hydrogels with high mechanical properties for cost-effective solar water desalination and purification","authors":"Shukun Guo, Wenxin Wang, Ruizhi Wang, Yang Chen, Ning Wang, Martin Jensen, Xianfeng Li","doi":"10.1007/s11706-024-0701-0","DOIUrl":"10.1007/s11706-024-0701-0","url":null,"abstract":"<div><p>High solar evaporation efficiency combined with enhanced desalination and antifouling performance is key in the application of the solar-driven interfacial water evaporation (SIWE) technology. In this study, we have designed a dual-crosslinked and dual-networked hydrogel (CSH) for interfacial solar vapor generation (ISVG). Through adjusting the proportions of matrix components and balancing the degree of crosslinking between cellulose and epichlorohydrin, it is feasible to obtain the hybrid hydrogel with elastic behaviors. The resulted hydrogel has a porous structure enabling the transport of water molecules, while the doped component of iron-based metal–organic frameworks provides this hydrogel with strong light absorbance, achieving an evaporation rate of 2.52 kg·m<sup>−2</sup>·h<sup>−1</sup> under 1 kW·m<sup>−2</sup> solar irradiation and an evaporation efficiency of 89.32%. The porosity also creates salt resistance through capillary forces. Practical applications of such CSH hydrogels in the field of seawater desalination and wastewater purification are conducted under outdoor light conditions, and the concentrations of metal ions are revealed to be reduced by orders of magnitude below the WHO threshold ones, while pigments are found to be absent from the condensate contained in the treated wastewater.</p></div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"18 4","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142757933","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

Fabrication of a silane-modified superhydrophobic TiO2–PVDF–FEP coating with scale inhibition performance 制备具有阻垢性能的硅烷改性超疏水 TiO2-PVDF-FEP 涂层

IF 2.5 4区材料科学

Frontiers of Materials Science Pub Date : 2024-11-29 DOI: 10.1007/s11706-024-0707-7

Huijuan Qian, Congying Lu, Jin Huang, Zhonggui Luo, Haifeng Wang, Zhifeng Hou, Chao Wang, Limin Li, Qinghe Gao, Mingliang Zhu

{"title":"Fabrication of a silane-modified superhydrophobic TiO2–PVDF–FEP coating with scale inhibition performance","authors":"Huijuan Qian, Congying Lu, Jin Huang, Zhonggui Luo, Haifeng Wang, Zhifeng Hou, Chao Wang, Limin Li, Qinghe Gao, Mingliang Zhu","doi":"10.1007/s11706-024-0707-7","DOIUrl":"10.1007/s11706-024-0707-7","url":null,"abstract":"<div><p>Titanium dioxide (TiO<sub>2</sub>) whiskers modified with octadecyltrimethoxysilane were incorporated into the coating solution through a solution blending method. The superhydrophobic coating was designed and fabricated using polyvinylidene fluoride (PVDF) and polyperfluorinated ethylene propylene (FEP) as the main constituents, while silane-modified TiO<sub>2</sub> whiskers as the fillers. The results demonstrated that after a 360-h scaling test, the mass of CaCO<sub>3</sub> on the surface of the resulted silane-modified superhydrophobic TiO<sub>2</sub>–PVDF–FEP coating was only 1.90 mg·cm<sup>−2</sup>, decreased by 37.1% and 16.7% compared with those on the PVDF–FEP coating and the TiO<sub>2</sub>–PVDF–FEP coating, respectively. The synergistic effects of the air film, silane-modified TiO<sub>2</sub> whiskers, and superhydrophobicity ensure that this superhydrophobic TiO<sub>2</sub>–PVDF–FEP coating has excellent scale inhibition performance. This study presents a novel approach for advancing the development of superhydrophobic coatings, offering promising prospects for industrial-scale applications in preventive measures.</p></div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"18 4","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142737363","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

Revealing effects of powder reuse for LPBF-fabricated NiTi shape memory alloys 揭示 LPBF 制造镍钛形状记忆合金粉末再利用的影响

IF 2.5 4区材料科学

Frontiers of Materials Science Pub Date : 2024-10-30 DOI: 10.1007/s11706-024-0697-5

Xiang Li, Meng Zhou, Sihui Peng, Xiaonan Chen, Xueyuan Ge, Bingmin Huang, Lishan Cui, Shijie Hao

{"title":"Revealing effects of powder reuse for LPBF-fabricated NiTi shape memory alloys","authors":"Xiang Li, Meng Zhou, Sihui Peng, Xiaonan Chen, Xueyuan Ge, Bingmin Huang, Lishan Cui, Shijie Hao","doi":"10.1007/s11706-024-0697-5","DOIUrl":"10.1007/s11706-024-0697-5","url":null,"abstract":"<div><p>In metal-based additive manufacturing processes, such as laser powder bed fusion (LPBF), the powder utilization is often less than 50%. Considering the cost efficiency, powder reuse is needed for an economical and sustainable LPBF process. As intermetallic compounds, LPBF-fabricated NiTi alloys are characterized with phase transformation behaviors, mechanical properties and functions that are very sensitive to possible changes in powder characteristics caused through reuse, but the exact effects are still poorly understood. Here, the LPBF process has been repeated ten times using the virgin powder supplement method. Results show that the oxygen content of NiTi powders rises from 370 to 752.3 ppm with the enhancement of the reuse cycle number. Powder oxidation enhances the laser absorptivity of the powder bed, leading to an increase in surface roughness and porosity of NiTi parts. Compared to the specimens made from virgin powders, the mechanical property and shape memory function of specimens made from reused powders are degraded, mainly attributed to the oxygen impurity and deteriorated forming quality. This study allows making better decisions with regard to powder reuse in the development of performance-critical NiTi parts fabricated through LPBF.</p></div>","PeriodicalId":572,"journal":{"name":"Frontiers of Materials Science","volume":"18 4","pages":""},"PeriodicalIF":2.5,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142540632","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