Applied Surface Science Advances最新文献

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Pulsed Laser Ablation of Recycled Copper in Methanol: A new route toward sustainable plasmonic and catalytic nanostructures 脉冲激光烧蚀再生铜的甲醇:可持续等离子体和催化纳米结构的新途径
IF 7.5
Applied Surface Science Advances Pub Date : 2025-02-15 DOI: 10.1016/j.apsadv.2025.100712
Cristiano Lo Pò , Stefano Boscarino , Silvia Scalese , Simona Boninelli , Maria Grazia Grimaldi , Francesco Ruffino
{"title":"Pulsed Laser Ablation of Recycled Copper in Methanol: A new route toward sustainable plasmonic and catalytic nanostructures","authors":"Cristiano Lo Pò ,&nbsp;Stefano Boscarino ,&nbsp;Silvia Scalese ,&nbsp;Simona Boninelli ,&nbsp;Maria Grazia Grimaldi ,&nbsp;Francesco Ruffino","doi":"10.1016/j.apsadv.2025.100712","DOIUrl":"10.1016/j.apsadv.2025.100712","url":null,"abstract":"<div><div>Copper Nanoparticles (NPs) are widely used for their versatility, specifically in plasmonic and catalysis. Now copper has become a critical raw material so an alternative must be found. In this work we compare the plasmonic and catalytic activity of Cu NPs produced by using an industrial ultrapure target and a Cu target obtained from a commercial wire. The technique used for the NPs production is the Pulsed Laser Ablation in Liquid with a <span><math><mrow><mn>1064</mn><mspace></mspace><mi>nm</mi></mrow></math></span> nanosecond laser that allows to produce NPs directly from a bulk target without any treatment.</div><div>Both kinds of NPs exhibit their plasmonic peak at around <span><math><mrow><mn>600</mn><mspace></mspace><mi>nm</mi></mrow></math></span>, typically of Cu. Both kind of NPs exhibit the same catalytic activity, in terms of water splitting, as catalyst, in anode or cathode, with performance comparable with the state of the art.</div></div>","PeriodicalId":34303,"journal":{"name":"Applied Surface Science Advances","volume":"26 ","pages":"Article 100712"},"PeriodicalIF":7.5,"publicationDate":"2025-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143421598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Selective phase growth of ultra-smooth Ti2O3 and TiO2 thin films at low growth temperature controlled by the oxygen partial pressure 氧分压控制下超光滑Ti2O3和TiO2薄膜在低生长温度下的选择性相生长
IF 7.5
Applied Surface Science Advances Pub Date : 2025-02-08 DOI: 10.1016/j.apsadv.2025.100706
Jiayi Tang , Okkyun Seo , Jaemyung Kim , Ibrahima Gueye , L.S.R. Kumara , Ho Jun Oh , Wan-Gil Jung , Won-Jin Moon , Yong Tae Kim , Satoshi Yasuno , Tappei Nishihara , Akifumi Matsuda , Osami Sakata
{"title":"Selective phase growth of ultra-smooth Ti2O3 and TiO2 thin films at low growth temperature controlled by the oxygen partial pressure","authors":"Jiayi Tang ,&nbsp;Okkyun Seo ,&nbsp;Jaemyung Kim ,&nbsp;Ibrahima Gueye ,&nbsp;L.S.R. Kumara ,&nbsp;Ho Jun Oh ,&nbsp;Wan-Gil Jung ,&nbsp;Won-Jin Moon ,&nbsp;Yong Tae Kim ,&nbsp;Satoshi Yasuno ,&nbsp;Tappei Nishihara ,&nbsp;Akifumi Matsuda ,&nbsp;Osami Sakata","doi":"10.1016/j.apsadv.2025.100706","DOIUrl":"10.1016/j.apsadv.2025.100706","url":null,"abstract":"<div><div>The selective phase growth of Ti-based oxide thin films on sapphire substrates is crucial in controlling the electronic properties, such as the insulator-to-metal transition (IMT). Thin films are generally prepared by pulsed laser deposition under high temperatures, but it is challenging to obtain a smooth surface. In this study, we deposited ultra-smooth epitaxial TiO<sub>2</sub> and Ti<sub>2</sub>O<sub>3</sub> thin films with roughnesses below 0.34 Å on sapphire substrates. By controlling the oxygen partial pressure at a relatively low temperature, at 473 K, we obtained highly crystalline thin films with selective growth. The thin films grown at 1 and 10<sup>−3</sup> Pa exhibited a rutile-type TiO<sub>2</sub> phase, and those grown at 10<sup>−6</sup> Pa exhibited a hexagonal Ti<sub>2</sub>O<sub>3</sub> phase. The crystal structures and electronic structures were consistent with the previous reports on TiO<sub>2</sub> and Ti<sub>2</sub>O<sub>3</sub> thin films. Moreover, Ti<sub>2</sub>O<sub>3</sub> underwent an IMT, whereas TiO<sub>2</sub> was unchanged.</div></div>","PeriodicalId":34303,"journal":{"name":"Applied Surface Science Advances","volume":"26 ","pages":"Article 100706"},"PeriodicalIF":7.5,"publicationDate":"2025-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143351021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Nb0.5 and Mo0.75 addition on in-vitro corrosion and wear resistance of high-speed laser metal deposited Al0.3CrFeCoNi high-entropy alloy coatings 添加Nb0.5和Mo0.75对高速激光金属沉积Al0.3CrFeCoNi高熵合金涂层体外腐蚀和耐磨性的影响
IF 7.5
Applied Surface Science Advances Pub Date : 2025-02-06 DOI: 10.1016/j.apsadv.2025.100710
Burak Dikici , Thomas Lindner , Thomas Lampke , Thomas Grund , Asli Gunay Bulutsuz
{"title":"Effect of Nb0.5 and Mo0.75 addition on in-vitro corrosion and wear resistance of high-speed laser metal deposited Al0.3CrFeCoNi high-entropy alloy coatings","authors":"Burak Dikici ,&nbsp;Thomas Lindner ,&nbsp;Thomas Lampke ,&nbsp;Thomas Grund ,&nbsp;Asli Gunay Bulutsuz","doi":"10.1016/j.apsadv.2025.100710","DOIUrl":"10.1016/j.apsadv.2025.100710","url":null,"abstract":"<div><div>High-entropy alloy (HEA) coatings offer unique advantages for enhancing the surface properties of biomedical implants, including improved wear and corrosion resistance. In this study, Al<sub>0.3</sub>CrFeCoNi-based HEA coatings were produced by high-speed laser metal deposition (HS-LMD) with the addition of Nb and Mo. The coatings were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive spectroscopy (EDS). Electrochemical corrosion tests, including potentiodynamic scanning (PDS) and electrochemical impedance spectroscopy (EIS), were conducted using Hanks' solution at body temperature to simulate the body environment. Wear tests were also performed under both dry and <em>in-vitro</em> conditions. Contact angle measurements were performed to assess the surface wettability, which is crucial for understanding the interaction between the coating and biological fluids. The results demonstrated that the Mo-containing coating exhibited superior corrosion and wear performance under <em>in-vitro</em> conditions. This was due to the slower progression of deeper corrosion attacks in unmelted particles, which minimized the micro-galvanic effects associated with the eutectic structures within these particles. Additionally, the coating's stable microstructure and effective formation of a protective passive layer contributed to its enhanced performance.</div></div>","PeriodicalId":34303,"journal":{"name":"Applied Surface Science Advances","volume":"26 ","pages":"Article 100710"},"PeriodicalIF":7.5,"publicationDate":"2025-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143358416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Oxygen effect on the performance of β-Ga2O3 enhancement mode MOSFETs heteroepitaxially grown on a sapphire 氧对蓝宝石外延生长β-Ga2O3增强模式mosfet性能的影响
IF 7.5
Applied Surface Science Advances Pub Date : 2025-02-04 DOI: 10.1016/j.apsadv.2025.100711
Yueh-Han Chuang , Fu-Gow Tarntair , Tzu-Wei Wang , Anoop Kumar Singh , Po-Liang Liu , Dong-Sing Wuu , Hao-Chung Kuo , Xiuling Li , Ray-Hua Horng
{"title":"Oxygen effect on the performance of β-Ga2O3 enhancement mode MOSFETs heteroepitaxially grown on a sapphire","authors":"Yueh-Han Chuang ,&nbsp;Fu-Gow Tarntair ,&nbsp;Tzu-Wei Wang ,&nbsp;Anoop Kumar Singh ,&nbsp;Po-Liang Liu ,&nbsp;Dong-Sing Wuu ,&nbsp;Hao-Chung Kuo ,&nbsp;Xiuling Li ,&nbsp;Ray-Hua Horng","doi":"10.1016/j.apsadv.2025.100711","DOIUrl":"10.1016/j.apsadv.2025.100711","url":null,"abstract":"<div><div>β-Ga<sub>2</sub>O<sub>3</sub> is regarded as a promising candidate for next-generation high-power devices; however, the impact of material quality on device performance is significant and not yet well understood. In this study, β-Ga<sub>2</sub>O<sub>3</sub> heteroepilayers were grown on c-plane sapphire using metalorganic chemical vapor deposition (MOCVD) at three different O<sub>2</sub> flow rates. Enhancement-mode β-Ga<sub>2</sub>O<sub>3</sub> metal-oxide-semiconductor field-effect transistors (MOSFETs) were then fabricated with a gate-recessed process, incorporating a 5 µm gate field plate structure. Higher O<sub>2</sub> flow rates resulted in increased breakdown voltage. X-ray photoelectron spectroscopy analysis suggests that this improvement is due to reduced oxygen vacancies and minimized Al diffusion from the substrate. First-principle simulations further confirmed this phenomenon.</div></div>","PeriodicalId":34303,"journal":{"name":"Applied Surface Science Advances","volume":"26 ","pages":"Article 100711"},"PeriodicalIF":7.5,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143129939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced photocurrent and responsivity of PbS quantum Dot/ZnO nanoparticle films with amine passivation 胺钝化PbS量子点/ZnO纳米颗粒薄膜的光电流和响应性
IF 7.5
Applied Surface Science Advances Pub Date : 2025-02-01 DOI: 10.1016/j.apsadv.2025.100705
Po-Hsun Chen , Nguyet.N.T. Pham , Pei-Cheng Huang , Yu-Sian Lin , Chia-Tien Peng , Cheng-Hsing Lin , Chih-Ching Chang , Hsueh-Shih Chen
{"title":"Enhanced photocurrent and responsivity of PbS quantum Dot/ZnO nanoparticle films with amine passivation","authors":"Po-Hsun Chen ,&nbsp;Nguyet.N.T. Pham ,&nbsp;Pei-Cheng Huang ,&nbsp;Yu-Sian Lin ,&nbsp;Chia-Tien Peng ,&nbsp;Cheng-Hsing Lin ,&nbsp;Chih-Ching Chang ,&nbsp;Hsueh-Shih Chen","doi":"10.1016/j.apsadv.2025.100705","DOIUrl":"10.1016/j.apsadv.2025.100705","url":null,"abstract":"<div><div>This study investigated a combination of PbS quantum dots (QDs) and ZnO nanoparticles (NPs) layers in photodiodes for photodetection. Oxygen vacancies in ZnO NPs have been known to be recombination trap sites, hindering carrier transportation. We used various amines to passivate the oxygen vacancy of ZnO NPs. It is found that ethanolamine (EA) is the most effective in reducing the surface oxygen vacancies of ZnO, exhibiting a five-fold increase in electron mobility, enhancing PbS QD photodiode responsivity to 278.8 A/W and achieving an external quantum efficiency (EQE) of 36,700% under bias, and increasing the detectivity ∼ 15.5 folds to 8.14 × 10¹² Jones compared with the pure ZnO device. This demonstrates the potential of amines as passivation agents to improve PbS photodiode performance with ZnO NPs as the electron transport layer (ETL).</div></div>","PeriodicalId":34303,"journal":{"name":"Applied Surface Science Advances","volume":"26 ","pages":"Article 100705"},"PeriodicalIF":7.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143130010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Single-ion gel-polymer electrolyte for improving the performances of Li-ion batteries 提高锂离子电池性能的单离子凝胶-聚合物电解质
IF 7.5
Applied Surface Science Advances Pub Date : 2025-02-01 DOI: 10.1016/j.apsadv.2025.100709
Radu Dorin Andrei , Giorgian Cosmin Ungureanu , Luisa Roxana Mandoc , Soha Aldroubi , Nicolas Louvain , Julian Richard Tolchard , Mihaela Buga
{"title":"Single-ion gel-polymer electrolyte for improving the performances of Li-ion batteries","authors":"Radu Dorin Andrei ,&nbsp;Giorgian Cosmin Ungureanu ,&nbsp;Luisa Roxana Mandoc ,&nbsp;Soha Aldroubi ,&nbsp;Nicolas Louvain ,&nbsp;Julian Richard Tolchard ,&nbsp;Mihaela Buga","doi":"10.1016/j.apsadv.2025.100709","DOIUrl":"10.1016/j.apsadv.2025.100709","url":null,"abstract":"<div><div>Solid State Batteries (SSBs) combine the significantly higher energy density (&gt;450 Wh/kg) and enhanced safety required to expedite society's transition away from fossil fuels, making them the most potential \"next-gen\" chemistry for lithium-based batteries. However, issues with electrolyte performance at lower temperatures as well as issues with the effective deposition and stripping of metallic lithium anodes are now impeding their development. In this work, we suggest a completely new strategy to deal with these issues: creating a Solid Molecular Ionic Composite Electrolyte (SMICE), an entirely novel type of gel-polymer electrolyte. This new membrane exhibits outstanding ionic conductivity at room temperature (3.3 mS·cm<sup>-1</sup>). Following electrochemical tests, the symmetric lithium cells demonstrated long-term cycling stability of approximately 650 h at 25 °C and 1000 h at 60 °C. In half-cell configuration the specific discharge capacity reaches a maximum of 164 mAh·g<sup>-1</sup> with a high retention of 95 % after 300 cycles, signifying the stability of SMICE membrane. These results reveal the proper compatibility between the SMICE membrane and the cell electrodes.</div></div>","PeriodicalId":34303,"journal":{"name":"Applied Surface Science Advances","volume":"26 ","pages":"Article 100709"},"PeriodicalIF":7.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143130006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Emerging aero-semiconductor 3D micro-nano-architectures: Technology, characterization and prospects for applications 新兴航空半导体三维微纳米结构:技术、表征和应用前景
IF 7.5
Applied Surface Science Advances Pub Date : 2025-01-31 DOI: 10.1016/j.apsadv.2025.100708
Veaceslav Ursaki , Tudor Braniste , Narcisa Marangoci , Ion Tiginyanu
{"title":"Emerging aero-semiconductor 3D micro-nano-architectures: Technology, characterization and prospects for applications","authors":"Veaceslav Ursaki ,&nbsp;Tudor Braniste ,&nbsp;Narcisa Marangoci ,&nbsp;Ion Tiginyanu","doi":"10.1016/j.apsadv.2025.100708","DOIUrl":"10.1016/j.apsadv.2025.100708","url":null,"abstract":"<div><div>Highly porous, ultra-lightweight materials are widely used in various applications. Aerogels based on both organic and inorganic components have been known for a long period of time as an important class of functional materials. However, a new subclass of ultra-porous inorganic materials prepared by using technologies different from those derived from a gel is nowadays emerging, thereby contributing to a significant expansion of their areas of application. In this review paper, highly porous semiconductor materials prepared on the basis of ZnO sacrificial templates consisting of 3D architectures built up from interconnected microrods, tetrapods or multipods, so called aero-semiconductors, are reviewed from the point of view of technologies applied for their preparation, properties and applications. For the purpose of comparison, other materials prepared on the basis of similar templates are discussed, such as aerographites and other highly porous inorganic nanomaterials and composites containing a semiconductor component. A special focus is put on their applications in sensors, electromagnetic shielding, light emission, microfluidics, microrobotics, biomedicine, photocatalysis and electrochemical applications.</div></div>","PeriodicalId":34303,"journal":{"name":"Applied Surface Science Advances","volume":"26 ","pages":"Article 100708"},"PeriodicalIF":7.5,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143129938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Plasma Electrolytic Oxidation (PEO) coatings on aluminum alloy 2024: A review of mechanisms, processes, and corrosion resistance enhancement 铝合金等离子体电解氧化(PEO)涂层2024:机理、工艺和耐蚀性增强的综述
IF 7.5
Applied Surface Science Advances Pub Date : 2025-01-31 DOI: 10.1016/j.apsadv.2025.100707
Matteo Gamba , Andrea Cristoforetti , Michele Fedel , Federica Ceriani , Marco Ormellese , Andrea Brenna
{"title":"Plasma Electrolytic Oxidation (PEO) coatings on aluminum alloy 2024: A review of mechanisms, processes, and corrosion resistance enhancement","authors":"Matteo Gamba ,&nbsp;Andrea Cristoforetti ,&nbsp;Michele Fedel ,&nbsp;Federica Ceriani ,&nbsp;Marco Ormellese ,&nbsp;Andrea Brenna","doi":"10.1016/j.apsadv.2025.100707","DOIUrl":"10.1016/j.apsadv.2025.100707","url":null,"abstract":"<div><div>AA2024, containing around 4% Cu and 1.5% Mg, has outstanding mechanical properties among the aluminum alloys, but poor corrosion resistance. Because of its substantial tensile strength, fatigue and wear resistance, it finds broad application in the aeronautical field. Its use, however, requires the application of a coating for ensuring adequate durability to the components. Plasma Electrolytic Oxidation (PEO) is a plasma-based coating process which has been object of growing interest in recent years because of its ability at producing thick and protective coatings by using simple, water-based electrolytes, thus reducing the environmental and safety risks presented by traditional anodizing processes. This is a promising technique for AA2024 coating, although it involves many different parameters, often interacting with each other. Thus, when optimizing it for this specific material, different effects should be considered, among which the main ones are the electrical input applied to the workpiece, the composition of the electrolytic solution and the presence of pre- or post-treatment.</div><div>In the present review the main features of the PEO coating of AA2024 are treated. The main process parameters are discussed and a complete description of the discharge mechanism and of the coating growth is given. Then, the properties of the PEO coatings grown upon AA2024 are treated, mainly from the point of view of corrosion resistance enhancement. Finally, some insights into the upscaling of PEO for its industrial application are given.</div></div>","PeriodicalId":34303,"journal":{"name":"Applied Surface Science Advances","volume":"26 ","pages":"Article 100707"},"PeriodicalIF":7.5,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143129937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrolyte and electrolyte-additives for improved plasma electrolytic oxidation on magnesium alloys 镁合金改进等离子体电解氧化用电解质和电解质添加剂
IF 7.5
Applied Surface Science Advances Pub Date : 2025-01-29 DOI: 10.1016/j.apsadv.2025.100700
Viswanathan S. Saji
{"title":"Electrolyte and electrolyte-additives for improved plasma electrolytic oxidation on magnesium alloys","authors":"Viswanathan S. Saji","doi":"10.1016/j.apsadv.2025.100700","DOIUrl":"10.1016/j.apsadv.2025.100700","url":null,"abstract":"<div><div>Plasma electrolytic oxidation (PEO) is a pivotal method to create a thick and adherent protective oxide layer on magnesium (Mg) alloys, significantly enhancing their wear and corrosion resistance. The functional oxide layers fabricated via PEO have diverse potential applications, including automobile, aerospace, machinery, biomedical, thermal protection, catalysis, and energy materials. The type and nature of the electrolyte and electrolyte additives used in PEO play a decisive role in shaping the morphology, compactness, porosity, composition, thickness, wear/corrosion resistance, mechanical properties, and other functionalities of the resulting layer. The in-situ integration of chemicals/particles into the PEO layer, facilitated by optimized electrolyte additives, is a well-established method for producing enhanced composite oxide layers. This potential for creating enhanced composite PEO oxide layers is a promising aspect of PEO technology, and this review explores the latest strategies in optimizing electrolyte and electrolyte additives for superior PEO layers in various applications.</div></div>","PeriodicalId":34303,"journal":{"name":"Applied Surface Science Advances","volume":"26 ","pages":"Article 100700"},"PeriodicalIF":7.5,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143130005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-performance composite anodes based on SBA-15 mesoporous silica modified with silicon, silicon oxide, titanium oxide, and germanium oxide for lithium-ion batteries 基于SBA-15介孔二氧化硅的高性能复合阳极,经硅、氧化硅、氧化钛和氧化锗改性,用于锂离子电池
IF 7.5
Applied Surface Science Advances Pub Date : 2025-01-29 DOI: 10.1016/j.apsadv.2025.100699
Radu Dorin Andrei , Giorgian Cosmin Ungureanu , Luisa Roxana Mandoc , Violeta-Carolina Niculescu , Jeremy Rodriguez , Mihaela Ramona Buga , Athanasios Tiliakos
{"title":"High-performance composite anodes based on SBA-15 mesoporous silica modified with silicon, silicon oxide, titanium oxide, and germanium oxide for lithium-ion batteries","authors":"Radu Dorin Andrei ,&nbsp;Giorgian Cosmin Ungureanu ,&nbsp;Luisa Roxana Mandoc ,&nbsp;Violeta-Carolina Niculescu ,&nbsp;Jeremy Rodriguez ,&nbsp;Mihaela Ramona Buga ,&nbsp;Athanasios Tiliakos","doi":"10.1016/j.apsadv.2025.100699","DOIUrl":"10.1016/j.apsadv.2025.100699","url":null,"abstract":"<div><div>In this study, SBA-15 mesoporous silica was modified with silicon, silica, titania, and germania particles to prepare composite silica-based anodes for lithium-ion batteries. The materials and the ensuing anodes were extensively characterized at every stage of their synthesis and preparation (BET/BJH, XRD, SAXS, FTIR, SEM, EDX) and the electrochemical performances of the assembled composite anodes were audited by voltammetric and galvanostatic methods to determine their discharge capacities and coulombic efficiencies. The composite anodes, especially Ti/SBA-15 and Ge/SBA-15, displayed stable coulombic efficiencies and gradually increasing capacities with steady trends, with the Ti/SBA-15 anode reaching 240 mAh g<sup>–1</sup> and the Ge/SBA-15 one rising higher at 550 mAh g<sup>–1</sup> after 500 cycles, thus outperforming the Si/SBA-15 anode which, in contrast, reached the high mark of 550 mAh g<sup>–1</sup> within the first 50 cycles but continued with gradually diminishing performance and unstable efficiency. With indications of the underlying driving phenomenon pertaining to electrochemical grinding effects, our work encourages further investigations on the highly probable outcome of much increased lifetimes and higher performances for these types of composite anodes for lithium-ion batteries.</div></div>","PeriodicalId":34303,"journal":{"name":"Applied Surface Science Advances","volume":"26 ","pages":"Article 100699"},"PeriodicalIF":7.5,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143130151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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