Aneeqa Bashir , Aasia Asghar , Syed Shahbaz Ali , Mujtaba Ikram
{"title":"Structural, optical and dielectric properties of Yttrium (Y) doped MgO thin films fabricated by water based solution processing","authors":"Aneeqa Bashir , Aasia Asghar , Syed Shahbaz Ali , Mujtaba Ikram","doi":"10.1016/j.mseb.2024.117824","DOIUrl":"10.1016/j.mseb.2024.117824","url":null,"abstract":"<div><div>This paper establishes the high performance of an ecological water-based solution processing in creating Magnesium oxide (MgO) thin films with various doping levels of Yttrium (Y) (0, 05, 10, and 15 atomic %), on ITO glass substrates. No mixed and secondary phases have been observed by XRD patterns revealing an amorphous nature in all the films. From FTIR, the characteristic peaks of oxides have been found with no significant traces of impurities while EDX analysis has confirmed the elemental signatures of Mg, O, and Y in the deposited films. The SEM images have shown a change in the surface morphology from smooth to inhomogeneous filament type grains having voids in the surface as the Y doping level is increased. The transmittance is increased, while the optical band gap is decreased from 4.00 to 3.75 eV. The refractive index and extinction coefficient are found improved as compared to pristine MgO film. The red luminescence band excited in MgO is observed around 700 nm. All the films exhibit ohmic conduction with resistivity decrease by an order of magnitude (∼10<sup>3</sup> Ωcm) as the Y content increases. Strong dependence of the dielectric constant (real and imaginary), tangent loss, impedance and electric modulus on both the frequency and dopant has been observed. The spectra are well referred to the Maxwell-Wagner type of polarization of Koop’s theory. The analysis further leads to the predominant contribution of grain boundaries and a non-Debye relaxation phenomenon. The films are found suitable for low frequency electronic applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117824"},"PeriodicalIF":3.9,"publicationDate":"2024-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142700235","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}
Hong Chang , Hewei Xu , Xiang Ma , Jiachun Niu , Lijun Cheng , Hua Shang , Aifang Liu , Xueli Bai , Rui Yan , Cuicui Liu , Huili Chen , Chuan Dong
{"title":"Effectively regulate NaOH deliquescence rate to prepare yttria-stabilized zirconia self-supported electrolytes for solid oxide cell applications","authors":"Hong Chang , Hewei Xu , Xiang Ma , Jiachun Niu , Lijun Cheng , Hua Shang , Aifang Liu , Xueli Bai , Rui Yan , Cuicui Liu , Huili Chen , Chuan Dong","doi":"10.1016/j.mseb.2024.117858","DOIUrl":"10.1016/j.mseb.2024.117858","url":null,"abstract":"<div><div>The high working temperature poses significant challenges to the stability, safety of solid oxide cells (SOCs), and the dry pressing method used to prepare films for electrolyte-supported fuel cells yields smoother but thicker films, which can impair cell performance. Thus, the paper introduces an innovative dry pressing technique for creating a tri-layer structure consisting of NaOH/YSZ/NaOH. By carefully controlling the deliquescence rate of NaOH, the NaOH support layer can be removed efficiently and gently, resulting in a YSZ electrolyte film. The results from the 3D optical profiler show that the average roughness of the YSZ film increased to 2.65 µm and 2.85 µm on each side. The power density and current density of the cell are 0.47 W∙cm<sup>−2</sup> and 1.64 A∙cm<sup>−2</sup> at 850 °C under H<sub>2</sub> and pure CO<sub>2</sub>, respectively. These results indicate that the films produced by this novel method are thin, exhibiting favorable roughness and demonstrating high electrochemical performance.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117858"},"PeriodicalIF":3.9,"publicationDate":"2024-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142700066","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}
Xin Xu , Xinmeng Li , Huazeng Yang , Guangshuai Zhang , Long Xia , Guangwu Wen , Dong Wang , Xiaoxiao Huang , Rui Zhang
{"title":"Application of carbon-based MOF derived Fe/C composites toward excellent microwave absorption","authors":"Xin Xu , Xinmeng Li , Huazeng Yang , Guangshuai Zhang , Long Xia , Guangwu Wen , Dong Wang , Xiaoxiao Huang , Rui Zhang","doi":"10.1016/j.mseb.2024.117786","DOIUrl":"10.1016/j.mseb.2024.117786","url":null,"abstract":"<div><div>According to the escalating issue of electromagnetic pollution the preparation of electromagnetic wave (EMW) absorbing materials with wide absorption band, strong absorption capacity, light weight and thin width is currently pursued. The combination of magnetic and carbon-based composites as EMW-absorbing materials has attracted a wide attention. Metal-organic frameworks (MOFs) derivatives have become new EMW absorbing materials due to the tailored structure, high specific surface area and porosity. However, precisely controlling the carbon-based MOF derivatives to regulate permittivity poses a challenge. In this paper, carbon-based MOF derivatives with regular shape were prepared by room temperature standing and carbonization strategies. The microstructure and electromagnetic parameters of carbon-based MOF derivatives were regulated by adjusting the molar ratio of the organic trimesic acid to the ferrous chloride tetrahydrate. The Fe/C-2 possess minimum reflection loss (RL<sub>min</sub>) −40.42 dB, matching thickness 4 mm, which is mainly due to the complementary effects of magnetic loss, dielectric loss, and suitable impedance matching. Moreover, the practical application of the absorbers was evaluated using radar cross-section (RCS) simulation, indicating the maximum RCS reduction value of Fe/C-2. The carbon-based MOF derivative absorber presented in this work can offer valuable insights for optimizing electromagnetic absorbers.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117786"},"PeriodicalIF":3.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142700236","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}
Muhammad Afaq , Arfaa Sajid , Qaisar Manzoor , Faiza Imtiaz , Anam Sajid , Rida Javed , Awais Ahmad , Norah Alwadai , Wissem Mnif , Munawar Iqbal
{"title":"Sonochemical synthesis of CoO-ZnO nanocomposite and optimizing the degradation of toxic anionic dye using RSM-BBD","authors":"Muhammad Afaq , Arfaa Sajid , Qaisar Manzoor , Faiza Imtiaz , Anam Sajid , Rida Javed , Awais Ahmad , Norah Alwadai , Wissem Mnif , Munawar Iqbal","doi":"10.1016/j.mseb.2024.117847","DOIUrl":"10.1016/j.mseb.2024.117847","url":null,"abstract":"<div><div>A sonochemical co-precipitation method was employed to synthesize the CoO-ZnO nanocomposite for the degradation of methyl red (MR) anionic dye. The nanocomposite was characterized using UV–Vis spectrophotometer, FTIR, XRD, SEM-EDX, TGA and Zeta potential. The SEM images showed the agglomeration of spherical grains due to the difference in the magnetic nature of the sample. The zeta potential values exhibited that the colloidal suspension was present all over the surface. Response Surface Methodology (RSM) was utilized to optimize the degradation of MR dye, and achieved 89 % removal efficiency with a 30 mg dose of the catalyst over 120 minutes. The degradation mechanism relies on the photocatalytic activity of the synthesized CoO-ZnO nanocomposite, which generates reactive oxygen species to break down MR dye. The high degradation efficiency, achieved via RSM optimization, underscores the nanocomposite’s potential for environmental remediation. This makes it a promising solution for removing MR dye and other anionic dyes from polluted water.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117847"},"PeriodicalIF":3.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142700239","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}
{"title":"Slow-Scan anodization of copper in alkaline Solution: Synthesis, performance Evolution, and theoretical analysis of Cu(OH)2 nanowires for High-Performance supercapacitors","authors":"Mosbah Daamouche , Djamal Eddine Guitoume , Halla Lahmar , Sofiane Bouheroum , Mokhtar Boudissa , Hichem Farh","doi":"10.1016/j.mseb.2024.117841","DOIUrl":"10.1016/j.mseb.2024.117841","url":null,"abstract":"<div><div>In this work, a binder-free Cu/Cu(OH)<sub>2</sub> NwBs electrode was fabricated using a simple potentiodynamic anodization method. The effect of anodization scan rates of 3, 0.5, and 0.1 mV/s on the structural, morphological, and supercapacitive properties was thoroughly investigated. An areal capacitance of 22.5 mF/cm<sup>2</sup> at 1 mA/cm<sup>2</sup> was achieved at scan rate of anodization 0.1 mV/s. The Cu/Cu(OH)<sub>2</sub> electrode demonstrates excellent retention cyclic stability of 120 % after 10,000 cycles. Post-cycling analysis revealed a phase transformation from Cu(OH)<sub>2</sub> to CuO, accompanied by significant morphological changes. A theoretical model based on Fick’s law was employed, which aligned well with the experimental data. The diffusion coefficient values were calculated from charge/discharge data, and the results indicated that higher diffusion coefficients corresponded to higher specific capacitance, demonstrating improved supercapacitor performance.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117841"},"PeriodicalIF":3.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142700237","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}
{"title":"Highly solar transparent and low-emissivity glass based on hydrogen-doped indium oxide","authors":"Zhen Huang , Erqi Yang","doi":"10.1016/j.mseb.2024.117818","DOIUrl":"10.1016/j.mseb.2024.117818","url":null,"abstract":"<div><div>Windows contribute significantly to heat loss in buildings, making them a critical focus for energy-saving measures aimed at reducing the substantial energy consumption in the building sector. This study explores ’high-transmittance, low-emissivity’ windows, which is beneficial for energy conservation in cold regions. Numerical calculations and experimental validation were used to develop a novel material optimization strategy utilizing hydrogen-doped indium oxide (IHO) films. The optimized IHO films exhibit high mobility (100 cm<sup>2</sup>/V·s) and low carrier concentration (2.2 × 10<sup>20</sup> cm<sup>−3</sup>), providing superior performance compared to traditional transparent conductive oxide (TCO) films. The developed low-emissivity (low-e) passive insulation composite film demonstrates enhanced spectral characteristics. It achieves a solar transmittance of 0.836 and a mid-infrared (MIR) emissivity as low as 0.117, surpassing the performance of commercial low-e glass. This approach not only addresses the spectral limitations, such as poor NIR transmittance and high emissivity, of traditional low-e coatings but also establishes a universally applicable methodology for material selection and optimization.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"312 ","pages":"Article 117818"},"PeriodicalIF":3.9,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142700238","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}
Jayanta Das, Debadrita Dasgupta, Krishna Deb, Biswajit Saha
{"title":"Optimised properties of conductive polyaniline-polyvinyl alcohol ink painted on paper for ductile pressure sensor with reduced electrical drift","authors":"Jayanta Das, Debadrita Dasgupta, Krishna Deb, Biswajit Saha","doi":"10.1016/j.mseb.2024.117850","DOIUrl":"10.1016/j.mseb.2024.117850","url":null,"abstract":"<div><div>Polyaniline (PANI) powder in its emeraldine salt form was blended with various concentrations of polyvinyl alcohol (PVA) to create semiconducting inks with desired fluid properties. These inks were coated on cellulose paper, and their resistive responses were tested under different vacuum pressures. Enhanced conductivity and reduced creep behavior were achieved by incorporating an O–H bond between the H of PANI and O of PVA, which stabilizes the polymer structure. This bonding minimizes electrical drift, improving the reliability of the synthesized inks for applications such as designing flexible circuits and fabricating thermoelectric generators. The strain field developed under vacuum is accountable for the observed variation in electrical properties. Due to the increase in strain field, the polaron hopping barrier increases, and as a result, the effective conductivity decreases with a decrease in pressure. These ‘use-and-throw’ sensors are economical, adaptable, and environmentally friendly, ideal for various disposable electronics and sensing applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"311 ","pages":"Article 117850"},"PeriodicalIF":3.9,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142698042","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}
Xi-Yang Li , Guang-Long Wei , Nai-Rui Shen , Yi-Long Wang , Xing-Long Dong , Youngguan Jung
{"title":"Synthesis and characterization of Ni@TiO2 nanocapsules for RF-MLCC electrodes via DC arc plasma method","authors":"Xi-Yang Li , Guang-Long Wei , Nai-Rui Shen , Yi-Long Wang , Xing-Long Dong , Youngguan Jung","doi":"10.1016/j.mseb.2024.117861","DOIUrl":"10.1016/j.mseb.2024.117861","url":null,"abstract":"<div><div>Ni@TiO<sub>2</sub> core–shell nanocapsules (NCs) were synthesized in-situ using a DC arc plasma in a nitrogen atmosphere. Compared to bare Ni nanoparticles, the coated Ni@TiO<sub>2</sub> nanocapsules exhibit enhanced oxidation resistance, thermal stability, delayed initial sintering temperature, and controllable thermal expansion. The sample with 30 wt% TiO<sub>2</sub> addition shows an onset oxidation temperature of 251.9 °C and a sintering shrinkage of 5.4 % at 1200 °C. The TiO<sub>2</sub> shell demonstrates high compatibility with the Ni core and an excellent quality factor (Q), with the 5 wt% TiO<sub>2</sub> addition sample achieving a maximum Q value of 16.5 at 12.3 GHz. Additionally, the DC arc method enables the in-situ preparation of Ni@TiO<sub>2</sub> NCs under a nitrogen atmosphere, making it suitable for large-scale industrial production. Thus, Ni@TiO<sub>2</sub> NCs present a promising material for next-generation radio-frequency multilayer ceramic capacitors (RF-MLCCs).</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"311 ","pages":"Article 117861"},"PeriodicalIF":3.9,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142698041","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}
Zhao Zhang , Hongbin Pu , Hongwei Zhang , Mingyang Wang , Xuhao Lei , Haonan Tu
{"title":"Enhanced densification of TaC coating on graphite substrate via cobalt-assisted liquid phase sintering using wet powder process","authors":"Zhao Zhang , Hongbin Pu , Hongwei Zhang , Mingyang Wang , Xuhao Lei , Haonan Tu","doi":"10.1016/j.mseb.2024.117825","DOIUrl":"10.1016/j.mseb.2024.117825","url":null,"abstract":"<div><div>In this work, tantalum carbide (TaC) coatings were prepared on graphite substrates using a wet powder forming and sintering process with the addition of cobalt (Co) as a sintering aid. The effects of cobalt content on the densification, phase composition, microstructure, and mechanical properties of the TaC coatings were investigated. The addition of a small amount of Co promoted the densification of the coating and enhanced its hardness and elastic modulus. At a Co content of 1.5 wt%, the coating exhibited a relative density of approximately 95.7 %, a hardness of 18.1 GPa, and an elastic modulus of 395.0 GPa. Morphological analysis revealed the densification mechanism of the coating during the high-temperature sintering process. Under the influence of the Co liquid phase, TaC particles rearranged and underwent dissolution-precipitation in the liquid phase, ultimately achieving densification of the coating.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"311 ","pages":"Article 117825"},"PeriodicalIF":3.9,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142698089","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}
Sukrut Prashant Phansalkar , Yongrae Jang , Bongtae Han , Ran Tao , Aaron M. Forster
{"title":"Novel method to determine autocatalytic cure kinetics model constants of dual-reaction thermosets","authors":"Sukrut Prashant Phansalkar , Yongrae Jang , Bongtae Han , Ran Tao , Aaron M. Forster","doi":"10.1016/j.mseb.2024.117829","DOIUrl":"10.1016/j.mseb.2024.117829","url":null,"abstract":"<div><div>Analysis of the cure kinetics of dual-reaction thermosets requires the determination of nine constants including the ratio of the first reaction to the total reaction. Simultaneous determination of the nine constants from experimental data is extremely challenging because an objective function to determine the constants through regression analyses is a sum of two highly non-linear kinetic functions. This paper proposes a novel method to determine all nine constants accurately and consistently using minimum testing data. The method first utilizes a model-free analysis for the ratio. An analytical least-squares approach is followed for the remaining eight model constants of dual reactions. The method is implemented for a highly-filled dual-reaction epoxy-based underfill commonly used in advanced semiconductor packaging applications. The proposed method is remarkably efficient; it requires data from only two standard DSC dynamic scans to determine the nine constants accurately. The robustness and accuracy of the proposed method are corroborated experimentally.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"311 ","pages":"Article 117829"},"PeriodicalIF":3.9,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142698043","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}