Materials Science and Engineering: B最新文献_第10页

Preparation of δ-MnO2 nanoplates for supercapacitors using ultrasonic-assisted liquid-phase co-precipitation technique 超声辅助液相共沉淀法制备超级电容器用δ-MnO2纳米片

IF 4.6 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-09-01 DOI: 10.1016/j.mseb.2025.118749

Lijun Ren, Shumei Dou, Huiqin Li, Yinfeng Han, Shan Tang, Hua Wen, Feng Zhang, Weixing Zhao

{"title":"Preparation of δ-MnO2 nanoplates for supercapacitors using ultrasonic-assisted liquid-phase co-precipitation technique","authors":"Lijun Ren, Shumei Dou, Huiqin Li, Yinfeng Han, Shan Tang, Hua Wen, Feng Zhang, Weixing Zhao","doi":"10.1016/j.mseb.2025.118749","DOIUrl":"10.1016/j.mseb.2025.118749","url":null,"abstract":"<div><div>Birnessite-type manganese dioxide (δ-MnO<sub>2</sub>) electrode material for supercapacitors (SCs) encounters challenges associated with structural degradation and a reduction in capacitance, rendering the preparation of high-performance δ-MnO<sub>2</sub> via simple methods a significant challenge. In this study, a novel and facile ultrasonic-assisted liquid-phase co-precipitation technique has been developed to prepare highly dispersed δ-MnO<sub>2</sub> nanoplates with an expanded and disordered interlayer microstructure. The δ-MnO<sub>2</sub> nanoplates possess a suitable specific surface area and a wide pore diameter distribution. These structural features facilitate electrolyte ion transport and penetration, thereby enhancing the electrocapacitive properties of the electrode. When fabricated into symmetric SCs, the δ-MnO<sub>2</sub> nanoplate-based SCs exhibit excellent cyclic stability, retaining 106 % and 93 % of their initial capacitances after 10,000 cycles at 3 A g<sup>−1</sup> in 2 M KOH and 2 M KOH + 0.1 M K<sub>3</sub>Fe(CN)<sub>6</sub>, respectively. This work presents a promising approach for preparation of electrode material with superior cyclic stability for SCs.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"323 ","pages":"Article 118749"},"PeriodicalIF":4.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144926286","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

Picosecond laser modification enhances machinability of SiC slices through surface structure evolution 皮秒激光改性通过表面结构的演变提高了SiC片的可加工性

IF 4.6 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-09-01 DOI: 10.1016/j.mseb.2025.118729

Haixu Liu, Ping Zhang, Dunwen Zuo

{"title":"Picosecond laser modification enhances machinability of SiC slices through surface structure evolution","authors":"Haixu Liu, Ping Zhang, Dunwen Zuo","doi":"10.1016/j.mseb.2025.118729","DOIUrl":"10.1016/j.mseb.2025.118729","url":null,"abstract":"<div><div>The excellent physical and chemical stability of single-crystal 4H-SiC slices renders them challenging to process. Laser modification processing is an effective approach to enhance the machinability of single-crystal 4H-SiC slices. The control variable method was conducted to investigate the evolution of SiC cutting sheets surface quality and structural characteristics under picosecond laser modification. Picosecond laser-modified SiC cut sheets were characterized using both pre-analytical and experimental methods: The optimal process parameters under these experimental conditions were determined to be 7.96 J/cm<sup>2</sup> for energy density, 180 mm/s for scanning speed, and 18 μm for scanning spacing. Laser modification significantly improves the mechanical properties and machinability of SiC slices. These substances were deposited on the surface in the form of SiO<sub>2</sub> smoke particles and crystalline Si (c-Si). Obvious residual tensile stresses were observed on the surface, along with subsurface defects caused by heat transfer during the laser modification process. Additionally, upon conclusion of the laser modification, rapid cooling promotes the recrystallization of SiC vapours on the subsurface, isolated from the atmosphere and deposited there. This work will provide a theoretical basis and practical guidance for the efficient processing of single crystal SiC cutting sheets in laser synergistic CMP.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"323 ","pages":"Article 118729"},"PeriodicalIF":4.6,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144926287","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

A sustainable approach to energy generation from recycled capacitors and batteries: intelligent fluid monitoring device 一种利用回收电容器和电池发电的可持续方法：智能流体监测装置

IF 4.6 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-08-30 DOI: 10.1016/j.mseb.2025.118744

Adarsh Raj Lingaraj , Imran Nazeer Riyaz Ahmmed , Rumana Farheen Sagade Muktar Ahmed , Sebghatullah Amini , Sangamesha Madanahalli Ankanathappa , Krishnaveni Sannathammegowda

{"title":"A sustainable approach to energy generation from recycled capacitors and batteries: intelligent fluid monitoring device","authors":"Adarsh Raj Lingaraj , Imran Nazeer Riyaz Ahmmed , Rumana Farheen Sagade Muktar Ahmed , Sebghatullah Amini , Sangamesha Madanahalli Ankanathappa , Krishnaveni Sannathammegowda","doi":"10.1016/j.mseb.2025.118744","DOIUrl":"10.1016/j.mseb.2025.118744","url":null,"abstract":"<div><div>The rapid rise in electronic waste (e-waste) necessitates sustainable energy and waste valorization strategies. This study presents an e-waste-based triboelectric nanogenerator (EW-TENG) using upcycled components, aluminium electrolytic capacitors, Metallized Polypropylene Self-Healing (MPP-SH) capacitors, and lithium/zinc-ion batteries. Classified as film or powder-based, these materials were integrated with polyvinyl alcohol (PVA) to form composite films, serving as tribopositive layers against polyvinylidene fluoride (PVDF) in a vertical contact-separation mode. Aluminium (Al) foil and recycled polyethylene terephthalate (PET) were used as electrodes and substrate, respectively. The optimized EW-TENG produced an output of 274.40 V, 12.32 μA, and a peak power of 144.30 mW at 130 MΩ. It successfully powered 70 LEDs and a digital wristwatch, and also operated as a liquid-level sensor via a floating electrode mechanism. This multifunctional device offers a sustainable, low-cost solution for energy harvesting and sensing, highlighting the potential of e-waste in powering household, industrial, and agricultural applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"323 ","pages":"Article 118744"},"PeriodicalIF":4.6,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144918110","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

Comment on the paper titled “Study of mechanical, optoelectronic, and thermoelectric aspects of lithium-based double perovskites Li2AgSbX6 (X = Cl, Br, I) for energy harvesting applications” [Mater. Sci. Eng.: B, 309 (2024) 117651] 评论题为“锂基双钙钛矿Li2AgSbX6 （X = Cl, Br， I）用于能量收集应用的机械，光电和热电方面的研究”的论文[Mater.]科学。Eng。[b]; 309 (2024) 117651]

IF 4.6 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-08-30 DOI: 10.1016/j.mseb.2025.118739

Engin Deligoz, Haci Ozisik

引用次数: 0

Development of GO-decorated CuO and CuO/La2O3 from Garcinia mangostana for supercapacitor application 氧化石墨烯修饰山竹CuO及CuO/La2O3超级电容器的研制

IF 4.6 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-08-30 DOI: 10.1016/j.mseb.2025.118691

C. Priya dharshini , A. Saranya , P. Chandrakumar

{"title":"Development of GO-decorated CuO and CuO/La2O3 from Garcinia mangostana for supercapacitor application","authors":"C. Priya dharshini , A. Saranya , P. Chandrakumar","doi":"10.1016/j.mseb.2025.118691","DOIUrl":"10.1016/j.mseb.2025.118691","url":null,"abstract":"<div><div>The green-mediated approach is used to create the binary and ternary nanocomposites (NCs) of CuO/GO and CuO/La<sub>2</sub>O<sub>3</sub>/GO from <em>Garcinia Mangostana</em>. The development of green chemistry resulting from the natural products of plant extracts as ceiling agents and their source of carbon for the formation of NC. In this present work, we have selected the peels from mangosteen fruit as one of the biological waste products. Mangostins are a class of α-mangostin (xanthone), flavonoids and phytochemicals that also include tannins and anthocyanins, which are found in the pericarp, also known as the “<em>Queen of Fruits</em>”. The synthetic samples were characterised by structural, surface, and elemental composition analysis by XRD, FTIR, SEM, EDS, XPS, and BET studies. The CuO/GO and CuO/La<sub>2</sub>O<sub>3</sub>/GO composite electrodes were formed in a three-electrode arrangement. Cyclic voltammetry (CV), galvanostatic charge–discharge (GCD), and electrochemical impedance spectroscopy (EIS) studies were employed to evaluate the performance of supercapacitors through electrochemical analysis. The supercapacitor electrode of the ternary composite, with a specific capacitance value of 447F/g at a scan rate of 10 mV/s and 472 F/g at a current density of 1 A/g in a 6 M KOH electrolyte, has achieved a remarkable specific capacitance value compared to the binary composite. Additionally, it has demonstrated 96.2 % capacity retention with exceptional cycling stability up to 5000 GCD cycles. As a result, CuO/La<sub>2</sub>O<sub>3</sub>/GO composite offers a promising alternative for the development of future high-yield electrochemical supercapacitors.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"323 ","pages":"Article 118691"},"PeriodicalIF":4.6,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144920411","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

Facile fabrication of reduced graphene oxide/boron nitride hybrid films as supercapacitor electrodes with enhanced areal capacitance 还原氧化石墨烯/氮化硼杂化膜作为增强面电容超级电容器电极的简易制备

IF 4.6 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-08-29 DOI: 10.1016/j.mseb.2025.118746

Xiangxiang Du, Yadan Ran, Xuejun Shi, Kesheng Cao, Yongjun Han

引用次数: 0

Mask interference effect in GaN SA-MOVPE: Predicting the growth of isolated structures GaN SA-MOVPE中的掩膜干涉效应：预测孤立结构的生长

IF 4.6 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-08-29 DOI: 10.1016/j.mseb.2025.118730

Michał Stępniak, Mateusz Wośko, Wojciech Kijaszek, Joanna Prażmowska-Czajka, Andrzej Stafiniak, Regina Paszkiewicz

{"title":"Mask interference effect in GaN SA-MOVPE: Predicting the growth of isolated structures","authors":"Michał Stępniak, Mateusz Wośko, Wojciech Kijaszek, Joanna Prażmowska-Czajka, Andrzej Stafiniak, Regina Paszkiewicz","doi":"10.1016/j.mseb.2025.118730","DOIUrl":"10.1016/j.mseb.2025.118730","url":null,"abstract":"<div><div>The material aggregation during selective area metalorganic vapor phase epitaxy (SA-MOVPE) of gallium nitride (GaN) structure arrays, using silicon dioxide (SiO<sub>2</sub>) masking layer deposited by plasma enhanced chemical vapor deposition (PECVD) was investigated by optical profilometry measurements. Selective GaN deposition was performed at two pressure levels (50 hPa and 150 hPa) using hydrogen as the carrier gas and trimethylgallium and ammonia as epitaxial growth precursors. The relationship between the structure growth rate enhancement and the structure array density was analyzed. Sudo’s effective mask model was applied to estimate that the mask interference constant is in the range <span><math><mrow><mo>[</mo><mn>0</mn><mo>.</mo><mn>60</mn><mo>;</mo><mspace></mspace><mn>0</mn><mo>.</mo><mn>83</mn><mo>]</mo></mrow></math></span> for the GaN epitaxy performed at 50 hPa and <span><math><mrow><mo>[</mo><mn>0</mn><mo>.</mo><mn>29</mn><mo>;</mo><mspace></mspace><mn>0</mn><mo>.</mo><mn>45</mn><mo>]</mo></mrow></math></span> for the epitaxy performed at 150 hPa. A new method for the prediction of the growth rate of isolated structures was proposed based on profile measurements of the structure array.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"323 ","pages":"Article 118730"},"PeriodicalIF":4.6,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144913216","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

Surface engineering of Ni–Rich cathodes via Er2O3 coating for enhanced mechanical strength and reduced residual lithium species 利用Er2O3涂层对富镍阴极进行表面工程处理，以提高机械强度并减少残余锂

IF 4.6 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-08-29 DOI: 10.1016/j.mseb.2025.118742

Sae Chan Yoon , Soon Young Kim , Jeonghan Kim , Taeeun Yim

{"title":"Surface engineering of Ni–Rich cathodes via Er2O3 coating for enhanced mechanical strength and reduced residual lithium species","authors":"Sae Chan Yoon , Soon Young Kim , Jeonghan Kim , Taeeun Yim","doi":"10.1016/j.mseb.2025.118742","DOIUrl":"10.1016/j.mseb.2025.118742","url":null,"abstract":"<div><div>Herein, we propose an Er-incorporated Ni-rich cathode material as an effective alternative for enhancing the structural stability of layered cathodes. Er, which has a strong binding affinity to oxygen, is incorporated at the Ni-rich cathodes to reinforce their mechanical hardness and suppress microcrack propagation during cycling. Mechanical analysis reveals that Er<sub>2</sub>O<sub>3</sub> coating improves the hardness of LiNi<sub>0.92</sub>Co<sub>0.04</sub>Mn<sub>0.04</sub>O<sub>2</sub> (NCM92), and the partial thermal reaction of Er<sub>2</sub>O<sub>3</sub> with residual LiOH generates protective components, among which LiErO<sub>2</sub> decreases internal pressure and enhances rate capability by reducing LiOH content. During cycling, 2.0 wt% Er-modified NCM92 shows improved capacity retention compared to pristine NCM92. Severe particle cracking is observed in non-coated NCM92, while the Er-coated sample maintains intact secondary particle morphology, demonstrating the stress-relieving effect of Er-based coating. X-ray diffraction analysis reveals the collapse of the layered structure in cycled non-coated NCM92, whereas the Er-coated NCM92 retains a clear layered structure after 150 cycles.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"323 ","pages":"Article 118742"},"PeriodicalIF":4.6,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144913217","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

Judd–Ofelt-enhanced orange-red emission and dual-functional performance of NaBaBi2P3O12:Pr3+ phosphor for solid-state lighting and optical thermometry judd - ofelt增强的NaBaBi2P3O12:Pr3+荧光粉在固态照明和光学测温中的橘红色发射和双功能性能

IF 4.6 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-08-29 DOI: 10.1016/j.mseb.2025.118737

Kavia J. Albert, E. Muthulakshmi, S.Masilla Moses Kennedy

{"title":"Judd–Ofelt-enhanced orange-red emission and dual-functional performance of NaBaBi2P3O12:Pr3+ phosphor for solid-state lighting and optical thermometry","authors":"Kavia J. Albert, E. Muthulakshmi, S.Masilla Moses Kennedy","doi":"10.1016/j.mseb.2025.118737","DOIUrl":"10.1016/j.mseb.2025.118737","url":null,"abstract":"<div><div>The pursuit of highly efficient red-emitting phosphors is essential for advancing solid-state lighting and optical sensing technologies. In this study, a novel series of Pr<sup>3+</sup>-doped NaBaBi<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> phosphors was successfully synthesized using the conventional solid-state reaction method. Structural analysis using X-ray diffraction (XRD) confirmed the formation of a pure single-phase cubic structure; while scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS) revealed the particle morphology and confirmed the elemental composition. Under 445 nm excitation, the phosphor exhibited an intense orange-red emission centered at 602 nm, with an optimal Pr<sup>3+</sup> doping concentration of 0.01 mol. Judd-Ofelt analysis yielded high intensity parameters, indicating strong electric dipole transitions and a favorable asymmetric coordination environment around the Pr<sup>3+</sup> ions. The photoluminescence lifetime measurements revealed microsecond-scale decay times, indicating efficient radiative recombination. Chromaticity analysis confirmed emission in the orange-red region, with CIE coordinates of (0.6333, 0.3663) and high color purity of 100 %. Thermal quenching studies demonstrated excellent thermal stability, with the phosphor retaining 75 % of its initial intensity at 423 K. Furthermore, a temperature-dependent decay analysis showed a systematic decrease in lifetime, attributed to thermally activated non-radiative transitions. The relative thermal sensitivity was determined to be 3 × 10<sup>−2</sup> %K<sup>−1</sup>, underscoring its applicability in optical thermometry. These findings establish NaBaBi<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub>: Pr<sup>3+</sup> as a promising candidate for high-performance red phosphors in solid-state lighting and optical sensing systems.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"323 ","pages":"Article 118737"},"PeriodicalIF":4.6,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144913218","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

Fabrication, antioxidant, and optical properties of Poly(ε-caprolactone)/metal oxide fibers by electroblowing 聚（ε-己内酯）/金属氧化物纤维的电吹制、抗氧化及光学性能

IF 4.6 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-08-28 DOI: 10.1016/j.mseb.2025.118738

Azra Huner , Esma Sezer

{"title":"Fabrication, antioxidant, and optical properties of Poly(ε-caprolactone)/metal oxide fibers by electroblowing","authors":"Azra Huner , Esma Sezer","doi":"10.1016/j.mseb.2025.118738","DOIUrl":"10.1016/j.mseb.2025.118738","url":null,"abstract":"<div><div>The properties of nanofibers (NFs), such as their aspect ratio, tensile strength, porosity, and the ability to combine organic–inorganic materials, make them important in biomedical applications, electronics, and optics. Several methods for the production of these NFs are still being developed, and electroblowing is one such method. This method allows for high yields in very short times, while also saving energy through the use of airflow. By utilizing the advantages of this method, metal oxide nanoparticle ()NFs will have the potential to be used in many applications, stimulating the production of new materials. In this study, poly(ε-caprolactone)(PCL)/MeONP NFs were produced via electroblowing using PCL obtained by deposition, along with copper oxide (CuO), iron oxide (FeOx), and manganese oxide (MnO) NPs. These fibers were characterized by FTIR, UV–Vis spectroscopy, XRD, TGA, DTG, DMA, SEM, and EDS analyses. These PCL/MeONP NFs were observed to have antioxidant properties by the 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) assay, and the highest antioxidant activity of 54.32 μg TE/mg was obtained from PCL/CuO NFs. The estimated optical band gap of these nanofibers was calculated to be 2.41–2.82 eV. PCL and MeONPs are widely used as biomaterials, and the electroblown PCL/MeONP NFs presented for the first time in this study have the potential to be used as biomaterials in many biomedical applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"323 ","pages":"Article 118738"},"PeriodicalIF":4.6,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144908993","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