Diamond and Related Materials最新文献_第4页

Next-generation plasmonic hybrid graphene biosensor: Machine learning-assisted development for efficient detection of chikungunya virus 下一代等离子体混合石墨烯生物传感器：机器学习辅助开发，用于基孔肯雅病毒的有效检测

IF 5.1 3区材料科学

Diamond and Related Materials Pub Date : 2025-09-29 DOI: 10.1016/j.diamond.2025.112905

Trupti Kamani , Shobhit K. Patel , Zaid Ahmed Shamsan

{"title":"Next-generation plasmonic hybrid graphene biosensor: Machine learning-assisted development for efficient detection of chikungunya virus","authors":"Trupti Kamani , Shobhit K. Patel , Zaid Ahmed Shamsan","doi":"10.1016/j.diamond.2025.112905","DOIUrl":"10.1016/j.diamond.2025.112905","url":null,"abstract":"<div><div>Early detection of Chikungunya virus (CHIV) is vital for effective disease management, as the infection has been reported in nearly sixty countries worldwide. CHIV infection typically causes fatigue, muscular pain, joint swelling, and severe headaches, necessitating reliable and highly sensitive diagnostic approaches. This research presents the design and optimization of a novel double square bracket-shaped resonator refractive index biosensor (DSBRRIB) to enhance the efficiency and precision of chikungunya detection in virus-infected blood plasma and red blood cells (RBCs). The silicon substrate used is 8000 nm by 8000 nm in dimension with a conventional thickness of 500 nm, and it measures within the wavelength range of 1950 to 2100 nm. The proposed biosensor leverages graphene-based plasmonic structures to improve sensitivity, stability, and overall performance. Targeting specific blood components adds diagnostic specificity, ensuring higher accuracy in distinguishing natural and affected samples. A comparative analysis of graphene materials with varying layers and resonator configurations was conducted to determine optimal detection efficiency. The optimized biosensor achieved quality factor value of 3196.33 nm/RIU, with corresponding figures of merit value of 487.64 for chikungunya detection. Detection limits were as low as 0.000436 RIU for plasma and 0.000379 RIU for RBCs. Machine learning-assisted optimization further enhanced performance, with the best predictive testing accuracy reaching 0.099319 for bracket gap variations.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"159 ","pages":"Article 112905"},"PeriodicalIF":5.1,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216418","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

Ag–Ag2S decorated functionalized MWCNTs nanocomposite: A highly efficient optical limiter Ag-Ag2S修饰功能化MWCNTs纳米复合材料：一种高效的光学限制器

IF 5.1 3区材料科学

Diamond and Related Materials Pub Date : 2025-09-29 DOI: 10.1016/j.diamond.2025.112907

Shivakumar Jagadish Shetty , Shreepooja Bhat , Nanditha T.K. , K.B. Manjunatha , Dileep Ramakrishna , Gurumurthy S.C.

{"title":"Ag–Ag2S decorated functionalized MWCNTs nanocomposite: A highly efficient optical limiter","authors":"Shivakumar Jagadish Shetty , Shreepooja Bhat , Nanditha T.K. , K.B. Manjunatha , Dileep Ramakrishna , Gurumurthy S.C.","doi":"10.1016/j.diamond.2025.112907","DOIUrl":"10.1016/j.diamond.2025.112907","url":null,"abstract":"<div><div>Sensitive optical devices require robust protection from intense laser light; however, no single material has fully satisfied this need. In this study, a novel nanocomposite was synthesized by decorating functionalized multi-walled carbon nanotubes (F-MWCNTs) with Ag-Ag<sub>2</sub>S alloy nanoparticles (AS NPs) using the hydrothermal method, aiming to enhance optical limiting performance. The nanocomposite's structure was confirmed using standard spectroscopic and microscopic techniques. Nonlinear optical measurements were carried out using a continuous wave (CW) laser with 638 nm wavelength via a Z-scan technique and using nanosecond laser pulses with 532 nm wavelength via a Z-scan and degenerate four-wave mixing (DFWM) techniques. Nonlinear optical measurements reveal a nonlinear absorption coefficient, derived from open-aperture (OA) Z-scan fits at three CW intensities (4.7, 5.6, and 6.5 × 10<sup>3</sup> Wcm<sup>−2</sup>), where the nonlinear optical absorption coefficient (β<sub>eff</sub>) increases from (4.4 ± 0.2) × 10<sup>−3</sup> to (10.5 ± 0.5) × 10<sup>−3</sup> cmW<sup>−1</sup>. This intensity-dependent growth reflects a sequential 2PA → ESA (RSA-assisted) mechanism rather than material instability, and the values significantly surpass those of previously reported materials. This enhanced performance demonstrates the potential of F-MWCNTs-based nanocomposites for advanced optical limiting applications, paving the way for improved protection of sensitive photonic devices.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"159 ","pages":"Article 112907"},"PeriodicalIF":5.1,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216412","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

Enhanced dispersion and interfacial bonding in CNT/Cu composites via carbonized polymer dot surface engineering of CNT to achieve superior mechanical and electrical properties 通过碳纳米管的碳化聚合物点表面工程增强碳纳米管/铜复合材料的分散和界面键合，以获得优异的力学和电学性能

IF 5.1 3区材料科学

Diamond and Related Materials Pub Date : 2025-09-28 DOI: 10.1016/j.diamond.2025.112899

Yikun Li , Yuansen Chen , Wenmin Zhao , Baixiong Liu , Liang Liu

{"title":"Enhanced dispersion and interfacial bonding in CNT/Cu composites via carbonized polymer dot surface engineering of CNT to achieve superior mechanical and electrical properties","authors":"Yikun Li , Yuansen Chen , Wenmin Zhao , Baixiong Liu , Liang Liu","doi":"10.1016/j.diamond.2025.112899","DOIUrl":"10.1016/j.diamond.2025.112899","url":null,"abstract":"<div><div>In the field of energy and electricity, there is an urgent demand for Cu matrix composites with excellent electrical conductivity and mechanical properties. Therefore, in this work, one-step hydrothermal approach was applied to in-situ generate carbonized polymer dot (CPD) for surface modification of carbon nanotube (CNT) without affecting their intrinsic structure. By taking advantage of synergistic effect of CPD@CNT, high electrical conductivity and high strength are obviously produced. This is related to the numerous oxygen-containing functional groups on CPD surface, which contribute notable dispersibility. And during the sintering process, owing to variations in thermal stability, some of these functional groups are thermally decomposed to generate O atoms and it rapidly diffuse into the surrounding Cu atoms to form Cu<sub>2</sub>O. Additionally, some of CPD structures are thermally decomposed, resulting in the formation of amorphous C, which bonds tightly with the matrix Cu. Consequently, through the “bridging” effect of CPD, the load and electron transfer are improved, and the reinforcing effect of CNT in Cu matrix composites is fully realized. As a result, the 0.3 wt% CPD@CNT/Cu composites possess a high electrical conductivity of 96 %IACS and a remarkable super strength of 341.36 MPa. This study presents an effective strategy for the design of advanced copper matrix composites.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"159 ","pages":"Article 112899"},"PeriodicalIF":5.1,"publicationDate":"2025-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145262554","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

Preparation and enhancement of electrochemical hydrogen adsorption of IRMOF-1/Cd/reduced graphene oxide nanocomposite IRMOF-1/Cd/还原氧化石墨烯纳米复合材料的制备及电化学氢吸附性能的增强

IF 5.1 3区材料科学

Diamond and Related Materials Pub Date : 2025-09-28 DOI: 10.1016/j.diamond.2025.112888

Subhash Chandra , Abdul R. Mkia , Magda H. Abdellattif , Munthar Kadhim Abosaoda , R. Roopashree , Subhashree Ray , Arshdeep Singh , Atreyi Pramanik

{"title":"Preparation and enhancement of electrochemical hydrogen adsorption of IRMOF-1/Cd/reduced graphene oxide nanocomposite","authors":"Subhash Chandra , Abdul R. Mkia , Magda H. Abdellattif , Munthar Kadhim Abosaoda , R. Roopashree , Subhashree Ray , Arshdeep Singh , Atreyi Pramanik","doi":"10.1016/j.diamond.2025.112888","DOIUrl":"10.1016/j.diamond.2025.112888","url":null,"abstract":"<div><div>Excessive consumption of fossil fuel and environmental issues like climate change<em><strong>,</strong> increasing concentration of carbon dioxide</em>, human diseases, extinction of various animal species etc. have always encouraged the implementation of green energy all around the globe. In order to meet the worldwide demand for energy, hydrogen has been suggested as a cost-efficient, clean, and safe source of energy having carbon-free combustion. However, the search for high-performance as well as sustainable solid materials in hydrogen storage applications is still being carried out to achieve the favorable outcome of “hydrogen economy”. The main goal of our study is to promote the electrochemical hydrogen storage performance of MOF-5 (also known as IRMOF-1) nanostructure and to enhance its stability against moisture using Cd/RGO lattice. During a successful and friendly-environment synthesis, the novel IRMOF-1<sub>(1)</sub>/Cd/RGO nanocomposite exhibited enhancement in conductivity and electrochemical properties and dramatic improvement in stability in ambient moisture. Moreover, IRMOF-1<sub>(1)</sub>/Cd/RGO nanocomposite as a novel compound, exhibited an extraordinary hydrogen storage capacity of 1300 mAhg<sup>−1</sup> at R.T. and ambient pressure, which is about 46 % better than that of Cd/RGO sample and approximately 35 % higher than IRMOF-1 sample. The enhanced hydrogen absorption is due to a compelling phenomenon called the “spillover effect” which improves the ability to store hydrogen.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"159 ","pages":"Article 112888"},"PeriodicalIF":5.1,"publicationDate":"2025-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216327","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

Novel CoV₂O₆/g-C₃N₄ nanocomposite for efficient bifunctional electrocatalysis and high-performance electrochemical biosensing 新型CoV₂O₆/g-C₃N₄纳米复合材料，用于高效双功能电催化和高性能电化学生物传感

IF 5.1 3区材料科学

Diamond and Related Materials Pub Date : 2025-09-28 DOI: 10.1016/j.diamond.2025.112848

Muhammad Danish Khan , Masood ul Hassan Farooq , Iqra Fareed , Tahmina Maqsood , Hafiza Sadia Anam , Areej Zubair , Muhammad Tahir , Faheem K. Butt

{"title":"Novel CoV₂O₆/g-C₃N₄ nanocomposite for efficient bifunctional electrocatalysis and high-performance electrochemical biosensing","authors":"Muhammad Danish Khan , Masood ul Hassan Farooq , Iqra Fareed , Tahmina Maqsood , Hafiza Sadia Anam , Areej Zubair , Muhammad Tahir , Faheem K. Butt","doi":"10.1016/j.diamond.2025.112848","DOIUrl":"10.1016/j.diamond.2025.112848","url":null,"abstract":"<div><div>Driven by the dual need for clean energy and sensitive biosensing platforms, this study explores bifunctional electrocatalytic and biosensing capabilities of cobalt vanadate (CoV₂O₆) and its novel nanocomposites with graphitic carbon nitride (g-C₃N₄). The materials were synthesized via an <em>insitu</em> co-precipitation method and confirmed through structural and spectroscopic analyses. Pristine CoV₂O₆ exhibited a distinctive stacked biscuit-like morphology, while the composites revealed strong interfacial interactions between both components. Among the samples, those with optimized g-C₃N₄ content displayed enhanced electrochemical active surface area (ECSA) and superior bifunctional electrocatalytic activity. Specifically, 20 % g-C₃N₄/CoV₂O₆ composite achieved a low overpotential (η) of 153 mV for oxygen evolution, while the 40 % g-C₃N₄/CoV₂O₆ composite required only 178 mV for hydrogen evolution and excelled in ascorbic acid biosensing with high sensitivity, stability, and reproducibility in commercial samples and different food extracts. The integration of CoV₂O₆ with g-C₃N₄ significantly improved carrier mobility and reaction kinetics, making these nanostructured composites highly promising for energy conversion and electrochemical (EC) diagnostics.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"159 ","pages":"Article 112848"},"PeriodicalIF":5.1,"publicationDate":"2025-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216417","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

Graphite foil derived from graphite intercalation compounds with HNO3/H3PO4: Role of phosphoric compounds in oxidation suppression 含HNO3/H3PO4的石墨插层化合物制备石墨箔：磷化合物在抑制氧化中的作用

IF 5.1 3区材料科学

Diamond and Related Materials Pub Date : 2025-09-28 DOI: 10.1016/j.diamond.2025.112904

Dmitriy V. Efimov , Andrei V. Ivanov , Natalia V. Maksimova , Daria A. Divitskaya , Mikhail I. Lukiantsev , Vladimir A. Mukhanov , Igor L. Kalachev , Safiya M. Syunyakova , Victor V. Avdeev

{"title":"Graphite foil derived from graphite intercalation compounds with HNO3/H3PO4: Role of phosphoric compounds in oxidation suppression","authors":"Dmitriy V. Efimov , Andrei V. Ivanov , Natalia V. Maksimova , Daria A. Divitskaya , Mikhail I. Lukiantsev , Vladimir A. Mukhanov , Igor L. Kalachev , Safiya M. Syunyakova , Victor V. Avdeev","doi":"10.1016/j.diamond.2025.112904","DOIUrl":"10.1016/j.diamond.2025.112904","url":null,"abstract":"<div><div>Graphite foil (GF) is a widely used high-temperature sealing material, produced by pressing exfoliated graphite, which is prepared through the thermal treatment of expandable graphite. Expandable graphite, in turn, is obtained from graphite intercalation compounds (GICs) with strong Bronsted acids. However, the operational temperature of GF is limited by its oxidation threshold in the presence of atmospheric oxygen. This study focuses on enhancing the thermal stability of GF by utilizing GICs with HNO<sub>3</sub>/H<sub>3</sub>PO<sub>4</sub>. XRD analysis revealed that the intercalation of H<sub>3</sub>PO<sub>4</sub> into GIC with HNO<sub>3</sub> increases the interlayer spacing compared to HNO<sub>3</sub> alone. Sequential water washing of GICs with HNO<sub>3</sub>/H<sub>3</sub>PO<sub>4</sub>, followed by thermal expansion, leads to the formation of phosphorus-containing exfoliated graphite. IR spectroscopy confirmed the presence of polyphosphoric compounds bonded to the graphite matrix via C-O-P bonds, formed through the decomposition of H<sub>3</sub>PO<sub>4</sub>. Thermogravimetric analysis of the resulting phosphorus-enriched GF demonstrated a tenfold reduction in oxidation rate and mass loss at elevated temperatures. Additionally, the oxidation kinetic was studied using thermogravimetric curves. The increased apparent activation energy of graphite oxidation indicates enhancement thermal stability of phosphorus-containing graphite foil, suggesting that phosphorus-modified GF is a promising candidate for high-temperature applications.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"159 ","pages":"Article 112904"},"PeriodicalIF":5.1,"publicationDate":"2025-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216963","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

Investigation of the structural and tribological effects of silicon and nitrogen doping in hydrogenated amorphous carbon coatings applied to AISI M35 high-speed steel substrates AISI M35高速钢衬底氢化非晶碳涂层中硅氮掺杂的结构和摩擦学效应研究

IF 5.1 3区材料科学

Diamond and Related Materials Pub Date : 2025-09-28 DOI: 10.1016/j.diamond.2025.112902

Elhadji Cheikh Talibouya Ba , Larissa Solano de Almeida , Miguel Rubira Danelon , Paulo Sérgio Martins , Luciana Sgarbi Rossino , Abner de Siervo , Luiza Amelia de Melo Pereira , Sandro Cardoso Santos

{"title":"Investigation of the structural and tribological effects of silicon and nitrogen doping in hydrogenated amorphous carbon coatings applied to AISI M35 high-speed steel substrates","authors":"Elhadji Cheikh Talibouya Ba , Larissa Solano de Almeida , Miguel Rubira Danelon , Paulo Sérgio Martins , Luciana Sgarbi Rossino , Abner de Siervo , Luiza Amelia de Melo Pereira , Sandro Cardoso Santos","doi":"10.1016/j.diamond.2025.112902","DOIUrl":"10.1016/j.diamond.2025.112902","url":null,"abstract":"<div><div>Hydrogenated Amorphous Carbon Coatings have been used in forming and machining tools, demonstrating solid lubrication capabilities, chemical inertness, wear resistance, and a reduction in the coefficient of friction. However, studies still report adhesion issues, which are often correlated with the residual stress state. Doping techniques have been used to mitigate this problem and, additionally, to improve the tribological performance of the coatings. In this study, nitrogen and silicon doping techniques were applied to hydrogenated amorphous carbon coatings deposited on AISI M35 high-speed steel. In the methodology, three types of coatings were deposited onto substrate samples and subsequently analyzed using structural, chemical, physical, and tribological characterization techniques. The results showed that nitrogen doping can increase sp<sup>3</sup> hybridizations more than silicon doping. The sp<sup>3</sup>/sp<sup>2</sup> ratio appeared to be higher (0.56) with nitrogen doping compared to silicon (0.31). Nitrogen addition resulted in the hardest (≈ 14 GPa) and stiffest (≈ 130 GPa) coating, as well as the best adhesion to the substrate. Regarding silicon, the coating exhibited the greatest thickness (≈ 5 μm), the lowest hardness (≈ 6 GPa) and stiffness (≈ 46 GPa). Nevertheless, it showed the best performance in the micro-abrasive wear test: the worn volume represented only 4 % of the volume measured on the uncoated sample and also presented the lowest coefficient of friction (≈ 0.1).</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"159 ","pages":"Article 112902"},"PeriodicalIF":5.1,"publicationDate":"2025-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145262557","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

Cross-linked high-performance natural rubber composite with low heat build-up based on a point-plane structured graphene system 基于点平面结构石墨烯体系的低热堆积交联高性能天然橡胶复合材料

IF 5.1 3区材料科学

Diamond and Related Materials Pub Date : 2025-09-27 DOI: 10.1016/j.diamond.2025.112903

Xiaolong Zhao , Rongyao Tao , Fuping Xue , Xuwen Sui , Chunlei Liu , Qiangqiang Huo , Xiaoyuan Duan

{"title":"Cross-linked high-performance natural rubber composite with low heat build-up based on a point-plane structured graphene system","authors":"Xiaolong Zhao , Rongyao Tao , Fuping Xue , Xuwen Sui , Chunlei Liu , Qiangqiang Huo , Xiaoyuan Duan","doi":"10.1016/j.diamond.2025.112903","DOIUrl":"10.1016/j.diamond.2025.112903","url":null,"abstract":"<div><div>Natural rubber (NR) molecular chains and fillers friction against each other under high-intensity cyclic loading, resulting in high heat accumulation internally. Simultaneously, owing to the low thermal conductivity of NR, the heat accumulated by friction may not be released in a timely manner, which leads to performance degradation as well as shortened service life. Here, γ-sulfopropyltriethoxysilane (KH-580) was used to prepare in-situ grown sulfhydryl-modified silica on graphene oxide with a “point-plane” structure (SiO<sub>2</sub>-SH@GO). Then the synthesized SiO<sub>2</sub>-SH@GO particles were homogeneously mixed with the latex to make the masterbatch, and then the SiO<sub>2</sub>-SH@GO/NR composites with crosslinking networks were prepared by hot-press vulcanization process. The findings revealed that the “point-plane” structure of SiO<sub>2</sub>@GO increased the spacing of the GO layers and the effective contact area with the NR matrix. Meanwhile, the introduced sulfhydryl groups participate in the NR crosslinking and enhance the interfacial force. When the SiO<sub>2</sub>-SH@GO content was 0.5 phr, the composite exhibited a heat build-up of 19.86 °C, tensile strength of 29.30 MPa, and tear strength of 129.46 N/mm. Therefore, the mechanical properties of NR composites are drastically improved by constructing the filler system with “point-plane” structure, which provides an unusual idea for the design of outstanding performance rubber materials with low heat build-up.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"159 ","pages":"Article 112903"},"PeriodicalIF":5.1,"publicationDate":"2025-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216311","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

MWCNT-integrates BiFeO3/MoS2 composite for high-capacitance and durable positive electrodes in asymmetric energy storage system mwcnt集成了BiFeO3/MoS2复合材料，用于非对称储能系统的高电容和耐用正极

IF 5.1 3区材料科学

Diamond and Related Materials Pub Date : 2025-09-27 DOI: 10.1016/j.diamond.2025.112900

F. Nelson Mariya Souri , R. Thilak Kumar , D. Siva Priya , Talat Ali , Mohd Shkir

{"title":"MWCNT-integrates BiFeO3/MoS2 composite for high-capacitance and durable positive electrodes in asymmetric energy storage system","authors":"F. Nelson Mariya Souri , R. Thilak Kumar , D. Siva Priya , Talat Ali , Mohd Shkir","doi":"10.1016/j.diamond.2025.112900","DOIUrl":"10.1016/j.diamond.2025.112900","url":null,"abstract":"<div><div>Perovskite-structured bismuth ferrite (BiFeO<sub>3</sub>, BFO) is a promising pseudocapacitive material but suffers from poor conductivity and sluggish ion transport. To overcome these limitations, we designed a ternary nanocomposite comprising BFO and molybdenum disulfide (MoS<sub>2</sub>) integrated with multiwalled carbon nanotubes (MWCNTs), forming a BFO/MoS<sub>2</sub>@MWCNT electrode for asymmetric supercapacitors (ASCs). MoS<sub>2</sub> introduces abundant redox-active sites, while MWCNTs enhance conductivity and structural stability, enabling efficient charge transfer and ion diffusion. The optimized electrode delivers a high specific capacitance of 1765 F g<sup>−1</sup> at 1 A g<sup>−1</sup> and maintains excellent rate performance. When assembled with activated carbon as the negative electrode, the ASC achieves an energy density of 65.7 Wh kg<sup>−1</sup> at a power density of 802.7 W kg<sup>−1</sup>. Furthermore, the device retains 96.7 % capacitance after 10,000 cycles, demonstrating outstanding durability. This study highlights a synergistic material design that effectively integrates BFO, MoS<sub>2</sub> and MWCNTs for high-performance energy storage applications.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"159 ","pages":"Article 112900"},"PeriodicalIF":5.1,"publicationDate":"2025-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145262555","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

Development of AgCoO2/g-C3N4 nanocomposite: A robust catalyst for dual-functionality in high-performance supercapacitors and photocatalytic dye degradation AgCoO2/g-C3N4纳米复合材料的开发：高性能超级电容器和光催化染料降解双功能催化剂

IF 5.1 3区材料科学

Diamond and Related Materials Pub Date : 2025-09-26 DOI: 10.1016/j.diamond.2025.112897

Orawan Rojviroon , Kumaresan Lakshmanan , Vasanthi Palanisamy , Ranjith Rajendran , Bharani Narayanan , Mangalaraja Ramalinga Viswanathan , Elavarasan Nagaraj , Thammasak Rojviroon

{"title":"Development of AgCoO2/g-C3N4 nanocomposite: A robust catalyst for dual-functionality in high-performance supercapacitors and photocatalytic dye degradation","authors":"Orawan Rojviroon , Kumaresan Lakshmanan , Vasanthi Palanisamy , Ranjith Rajendran , Bharani Narayanan , Mangalaraja Ramalinga Viswanathan , Elavarasan Nagaraj , Thammasak Rojviroon","doi":"10.1016/j.diamond.2025.112897","DOIUrl":"10.1016/j.diamond.2025.112897","url":null,"abstract":"<div><div>Addressing the dual challenges of sustainable energy storage and water purification, this study presents a bifunctional AgCoO<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> nanocomposite engineered for high-performance electrochemical and photocatalytic applications. The composite was synthesized via a simple hydrothermal process, resulting in nanoplate-like AgCoO<sub>2</sub> uniformly anchored onto g-C<sub>3</sub>N<sub>4</sub> nanosheets. Notably, the incorporation of g-C<sub>3</sub>N<sub>4</sub> enhances the overall amorphous nature of the composite, which plays a critical role in boosting both charge storage and photocatalytic activity. Comparative studies with pure AgCoO<sub>2</sub> and g-C<sub>3</sub>N<sub>4</sub> confirm the superior performance of the hybrid material. Electrochemical analysis revealed excellent pseudocapacitive behavior, delivering a high specific capacitance of 867.5 F/g at 1 A/g and outstanding cycling stability with 90 % capacitance retention after 12,000 cycles. Simultaneously, the composite exhibited enhanced photocatalytic efficiency, degrading 92 % of methylene blue under visible light within 120 min. The synergistic integration of AgCoO<sub>2</sub> with amorphous-rich g-C<sub>3</sub>N<sub>4</sub> improves charge separation, light absorption, and surface reactivity, enabling effective dual-functionality. These findings highlight AgCoO<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> as a promising candidate for next-generation supercapacitor devices and advanced wastewater treatment technologies.</div></div>","PeriodicalId":11266,"journal":{"name":"Diamond and Related Materials","volume":"159 ","pages":"Article 112897"},"PeriodicalIF":5.1,"publicationDate":"2025-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216323","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}

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