Materials Science and Engineering B-advanced Functional Solid-state Materials最新文献

{"title":"Surface topology, bandgap evaluation, and photoluminescence characteristics of Bi2O3-B2O3-Cr2O3: ZrO2 glass ceramics for visible light devices","authors":"Adepu Navalika ,&nbsp;Linganaboina Srinivasa Rao ,&nbsp;Tumu Venkatappa Rao ,&nbsp;Shamima Hussain ,&nbsp;Sujay Chakravarty","doi":"10.1016/j.mseb.2024.117781","DOIUrl":"10.1016/j.mseb.2024.117781","url":null,"abstract":"<div><div>Bismuth-borate-chromium oxide glass ceramics containing small concentrations of ZrO₂ nanoparticles were synthesized. The AFM images showed uneven grains with crystal stripes of size ≈30-70 nm on surface of the glass ceramic samples. The optical bandgap (<em>E_o</em>) was determined in the range of 2.7 – 3.5 eV, using three different methods viz., Tauc, ASF, and DASF methods. The Tanabe-Sugano diagram has revealed that the Cr³⁺ ions were presented in the strong crystal field with <span><math><mfrac><msub><mi>D</mi><mi>q</mi></msub><mi>B</mi></mfrac></math></span>  &gt; 2.3. Photoluminescence spectra have revealed two emission bands by ²T_2g(F) → ⁴A_2g(F) (green emission) and ²E_g(F) → ⁴A_2g(G) (red emission) transitions of Cr³⁺ ions. The (<em>x, y</em>) coordinates in the CIE diagram were shifted from green to orange region as the concentration of ZrO₂ nanoparticles has increased gradually. These glass ceramics may act as active laser media or LED sources for practical applications in visible band, especially green-yellow-orange band.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"311 ","pages":"Article 117781"},"PeriodicalIF":3.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142571846","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-enhanced gas-sensing performance of metal-doped In2O3 microtubes from acceptor doping and double surface adsorption","authors":"W.J. Wu,&nbsp;J.C. Xu,&nbsp;B. Hong,&nbsp;J. Li,&nbsp;Y.X. Zeng,&nbsp;X.L. Peng,&nbsp;H.W. Chen,&nbsp;X.Q. Wang","doi":"10.1016/j.mseb.2024.117784","DOIUrl":"10.1016/j.mseb.2024.117784","url":null,"abstract":"<div><div>The different valent metal-doping is a feasible and convenient way to adjust the microstructures and electron concentration of In₂O₃ gas sensors. In this paper, the different valence metals (Zn²⁺, Sb³⁺, Zr⁴⁺ and Nb⁵⁺) are doped into MIL-68 (In) metal–organic frameworks (MOFs) by solvothermal method, and then In₂O₃ and metal-doped In₂O₃ microtubes are obtained by pyrolysis MIL-68 MOFs. All samples exhibit the similar microtubular structures, indicating oxygen adsorption on both inner and outer surface. The average grain size of metal-doped In₂O₃ microtubes decreases a little while the specific surface area increases greatly. Metal-doping greatly affects the formaldehyde gas-sensing performance, and Zn²⁺-doped In₂O₃ sensor presents the highest response value (188.56), shortest response/recovery times and excellent selectivity to formaldehyde gas at 210 ℃. Compared the microstructural and gas-sensing parameters of In₂O₃ sensor, the specific surface area and oxygen vacancies of metal-doped In₂O₃ sensors enhance the surface <span><math><msup><mrow><mi>O</mi></mrow><mo>-</mo></msup></math></span>. Moreover, acceptor Zn²⁺-doping directly extracts electrons from conduction band of Zn²⁺-doped In₂O₃ sensor, which greatly increases the resistance in air and the thickness of electron deletion layer for Zn²⁺-doped In₂O₃ sensor.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"311 ","pages":"Article 117784"},"PeriodicalIF":3.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142571845","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":"A parametric evaluation of fiber laser micro-channelling performance on thick PMMA in water medium","authors":"S. Biswas ,&nbsp;A. Sen ,&nbsp;D. Pramanik ,&nbsp;N. Roy ,&nbsp;R. Biswas ,&nbsp;A.S Kuar","doi":"10.1016/j.mseb.2024.117776","DOIUrl":"10.1016/j.mseb.2024.117776","url":null,"abstract":"<div><div>Polymers provide superior strength-to-weight ratios, malleability, cost-effectiveness, and recyclability compared to metals and alloys, rendering them highly favoured in the domains of automobile, electrical, medicinal, and thermal engineering. The present study employs a fiber laser as an approach to generate Gaussian beam-shaped micro-channels on thick transparent PMMA material while being submerged in de-ionized water to mitigate the problems associated with infrared laser micro-channeling such as non-uniformity, combustion and region of altered properties due to heat. Micro-channel quality is assessed by measuring three key metrics: depth of cut, kerf width, and heat-affected zone. This analysis considers power, cutting speed, and pulse frequency. The laser transmission channelling experiment is conducted on PMMA employs a central composite rotatable experimental strategy. The optimal settings are set to have a depth of cut of 25.34 µm, a kerf width of 4.98 µm, and a HAZ width of 36.32 µm.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"311 ","pages":"Article 117776"},"PeriodicalIF":3.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142571844","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":"Nitrogen and sulfur co-doped porous carbon obtained from direct carbonization of a renewable biomass for counter electrode of efficient dye-sensitized solar cells","authors":"Jihui Li,&nbsp;Dongsheng Wang,&nbsp;Fanning Meng,&nbsp;Guiqiang Wang","doi":"10.1016/j.mseb.2024.117778","DOIUrl":"10.1016/j.mseb.2024.117778","url":null,"abstract":"<div><div>It is highly necessary to fabricate cost-effective counter electrode for promoting the development and practical deployment of dye-sensitized solar cells (DSSCs). Herein, nitrogen and sulfur co-doped porous carbon (NSPC) is prepared through directly carbonizing a renewable biomass, <em>Eupatorium fortunei Turcz</em>., and used as an alternative to expensive Pt to fabricate low-cost counter electrode for high-performance DSSCs. Scanning electron microscopy and N₂ adsorption analyses demonstrate that the obtained carbon sample displays a hierarchical pore structure containing macropore channels and well-developed mesopores formed on the wall of macropore channels. X-ray photoelectron spectroscopy measurements suggest that nitrogen and sulfur atoms are doped in the framework of as-prepared carbon sample. These favorable characteristics endow the obtained NSPC counter electrode with a superior electrocatalytic performance. Consequently, the assembled DSSC with NSPC counter electrode shows an efficiency of 8.25%, nearly matching the efficiency of the cell with conventional Pt counter electrode.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"311 ","pages":"Article 117778"},"PeriodicalIF":3.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142571847","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":"Computational design of Metal-Organic Frameworks for sustainable energy and environmental applications: Bridging theory and experiment","authors":"Qiang Ma ,&nbsp;Yi Wang ,&nbsp;Xianglong Zhang ,&nbsp;Qianchen Zhao ,&nbsp;Jinjun guo ,&nbsp;Jiahu Guo ,&nbsp;Xu Ren ,&nbsp;Jin Huang ,&nbsp;Yingjie Zhang ,&nbsp;Yonghong Xie ,&nbsp;Jiming Hao","doi":"10.1016/j.mseb.2024.117765","DOIUrl":"10.1016/j.mseb.2024.117765","url":null,"abstract":"<div><div>This review explores the pivotal role of computational approaches in designing and developing Metal-Organic Frameworks (MOFs) for sustainable energy and environmental applications. As demand for advanced materials in energy conversion, storage, and environmental remediation intensifies, the synergy between theoretical simulations and experimental research has become critical. We provide a systematic overview of recent advancements in computational strategies guiding MOF synthesis and optimization, focusing on how these approaches offer insights into MOF mechanisms and working principles. The review examines fundamental computational techniques, including density functional theory, molecular dynamics, and machine learning, exploring their application in predicting and enhancing MOF performance for gas storage, catalysis, and pollutant capture. Through analysis of case studies, we demonstrate how computational modeling has successfully improved MOF performance in real-world scenarios. We also address challenges in bridging theory and experiment, discussing strategies for enhancing model accuracy and applicability.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"311 ","pages":"Article 117765"},"PeriodicalIF":3.9,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142560731","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":"Chitosan/graphene oxide based biocomposite dynamic films for enzyme-free biosensing application","authors":"Muhammad Usama ,&nbsp;Musammir Khan ,&nbsp;Xingzhou Peng ,&nbsp;Junjie Wang","doi":"10.1016/j.mseb.2024.117766","DOIUrl":"10.1016/j.mseb.2024.117766","url":null,"abstract":"<div><div>Biocomposite films of chitosan (CS) and graphene oxide (GO) filler using glutaraldehyde crosslinker was prepared by Schiff-base linkages for enzyme-free biosensing applications. The obtained biocomposites (CS/GO) was characterized by different physicochemical techniques. The glassy carbon electrode (GCE) modified with these biocomposites indicated enhanced redox peak currents and peak separation potentials, as well as accompanied by a reduction in electron transfer resistance as compared with pristine CS material. The CS/GO modified GCE was tested for biosensing in the linear concentration range of glucose (Gl) ∼ 1.25 to 125 ppm, gallic acid (GA) ∼ 6.25 to 75 ppm and dopamine (DA) ∼ 25 to 100 ppm. Moreover, the biosensor indicated high sensitivity (72.9 µA.mM⁻¹.cm⁻²), lower detection limit (0.094 mM) and lower quantification limit (0.313 mM) against Gl as compared with previous reported values. The proposed electro-oxidation mechanism on the modified GCE surface indicated the biocomposites as promising green electroactive smart materials for enzyme-free biosensing applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"310 ","pages":"Article 117766"},"PeriodicalIF":3.9,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142552751","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":"Photosensitive RFID sensor based on ZnO/GO/CdS nanocomposite","authors":"Fengjuan Miao ,&nbsp;Bingchen Li ,&nbsp;Tangjian Yao ,&nbsp;Xiaojie Liu ,&nbsp;Bairui Tao ,&nbsp;Paul K. Chu","doi":"10.1016/j.mseb.2024.117782","DOIUrl":"10.1016/j.mseb.2024.117782","url":null,"abstract":"<div><div>A chipless radio frequency identification (RFID) photosensitive sensor composed of zinc oxide (ZnO) / graphene oxide (GO) / cadmium sulfide (CdS) nanocomposites is designed and fabricated for remote monitoring of light in the environment. The label consists of a dielectric layer, a resonant structure, and a sensitive layer. The dielectric layer is made of inexpensive epoxy resin. By replacing the parallel plate capacitance of the traditional ELC resonator with the interdigital capacitance (idc), an ELC idc resonator with a larger capacitance per unit area is obtained and optimized by HFSS simulation. The label is evaluated using a vector network analyzer, and the experimental results confirm the feasibility of the photosensitive label. In the light environment of 0–49 klx, the sensitivity of the photosensitive label is 895.31 Hz/lx thus meeting the requirement for the monitoring of environmental light.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"310 ","pages":"Article 117782"},"PeriodicalIF":3.9,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142552750","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":"Augmenting the electrochemical capability of TMDCs thin film electrodes via interface engineering for energy storage applications","authors":"Muhammad Zahir Iqbal ,&nbsp;Asma Khizar ,&nbsp;Sajid Khan ,&nbsp;H.H. Hegazy ,&nbsp;A.A. Alahmari","doi":"10.1016/j.mseb.2024.117757","DOIUrl":"10.1016/j.mseb.2024.117757","url":null,"abstract":"<div><div>Low power density and low energy density associated with traditional devices, such as batteries, and supercapacitors led to the development of hybrid supercapacitors (HSCs). Researchers explore various classes of materials to cope with these limitations. Among them, transition metal dichalcogenides (TMDCs), due to their layered structure, are widely analyzed. Here the sputtering route was adopted to deposit a uniform interfacial layer of zirconium nitride (ZrN) 100 nm, which plays a crucial role in modulating the electrochemical properties of the top sputtered tungsten disulfide (WS₂) layer of 250 nm. The electrochemical measurements resulted the specific capacitance of 858F/g for WS2 and 2036F/g for WS₂/ZrN at scan rate of 3 mV/s. Hybrid device WS₂/ZrN//AC exhibited an energy density of 76 Wh/kg, and a power density of 4325 W/kg. In addition to this, a semiempirical approach is adopted to deconvolute capacitive and diffusive contributions. This hybrid structure can improve charge storage capacity, stability, and cycle life, making it a promising material for next-generation energy storage solutions.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"310 ","pages":""},"PeriodicalIF":3.9,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142528331","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":"Synthesis, structural characterization, and frequency dependent dielectric analysis of cobalt-doped magnesium ferrite nanoparticles for advanced energy storage systems","authors":"Zahid Sarfraz ,&nbsp;Mozaffar Hussain ,&nbsp;Mubasher ,&nbsp;Muhammad Luqman ,&nbsp;Rizwan Akram ,&nbsp;Tahir","doi":"10.1016/j.mseb.2024.117780","DOIUrl":"10.1016/j.mseb.2024.117780","url":null,"abstract":"<div><div>Pure and cobalt-doped magnesium ferrite (Mg_1-xCo_xFe₂O₄, x  = 0, 0.03, 0.06, and 0.09) nanoparticles were successfully synthesized via solgel method. X-ray diffraction (XRD) analysis conducted at room temperature validated the formation of single-phase spinel ferrites and assessed the material’s purity and crystal structure. Fourier transform infrared spectroscopy (FTIR) explored the diverse vibrational modes and the bonding arrangments between the atoms. Scanning electron microscopy (SEM) offered valuable insights into nanoparticles'morphology, shape, and size. Energy dispersive X-ray (EDX) spectroscopy was employed to analyze the composition of the prepared nanoparticles. An LCR meter was used at room temperture to analyze the dielectric properties of the synthesized nanoparticles. The study focused on the frequency dependence of key parameters, including capacitance (<span><math><msub><mi>C</mi><mi>p</mi></msub></math></span>) and real and imaginary parts of the dielectric constant (<span><math><mrow><msubsup><mi>ε</mi><mrow><mi>r</mi></mrow><mo>′</mo></msubsup><mo>&amp;</mo><msubsup><mi>ε</mi><mrow><mi>r</mi></mrow><mo>″</mo></msubsup></mrow></math></span>), tangent loss (<span><math><mrow><mi>t</mi><mi>a</mi><mi>n</mi><mspace></mspace><mi>δ</mi></mrow></math></span>) and ac conductivity (<span><math><msub><mi>σ</mi><mrow><mi>ac</mi></mrow></msub></math></span>). The dielectric measurements notably revealed high values of dielectric constants, particularly at lower frequencies. Doping of cobalt into pure MgFe₂O₄ has demonstrated a notable improvement in both charge storage and transport properties leading to enhanced dielectric parameters. The outcomes of this study suggest the promising applications of Mg_1-xCo_xFe₂O₄ nanoparticles in a wide range of energy storage devices.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"310 ","pages":"Article 117780"},"PeriodicalIF":3.9,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142538073","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":"Integration of manganese-cobalt oxide nanoparticles into mesoporous Bi2WO6 n-n heterojunction for enhanced reductive removal of Hg(II) ions","authors":"Nadiyah Alahmadi ,&nbsp;Adel A. Ismail","doi":"10.1016/j.mseb.2024.117774","DOIUrl":"10.1016/j.mseb.2024.117774","url":null,"abstract":"<div><div>Industrial contamination has harmed aquatic life by throwing huge quantities of toxic inorganic metals ions, especially Hg(II) ions into the ecosystem. Thus, it is critical demand to remove Hg species in industrial wastewater to match the safety standards. In this contribution, n-n heterojunction MnCo₂O₄/Bi₂WO₆ nanocomposites were fabricated using the sol–gel process utilizing Pluronic P-105 as a structure-directing agent. The photocatalytic Hg(II) reduction has been conducted over MnCo₂O₄/Bi₂WO₆ nanocomposites under illumination. The prepared MnCo₂O₄/Bi₂WO₆ photocatalysts exhibited better photocatalytic activity for reduction Hg(II) under visible illumination in comparison to bare Bi₂WO₆ NPs. Among the obtained photocatalysts, the optimum 6 %MnCo₂O₄/Bi₂WO₆ nanocomposite exhibited superior photocatalytic ability at about 100 % after 40 min. The rate constant of 6 %MnCo₂O₄/Bi₂WO₆ photocatalyst is 0.1177 min⁻¹, which is almost 3.03 times greater than that of Bi₂WO₆ (0.0388 min⁻¹). Moreover, the MnCo₂O₄/Bi₂WO₆ nanocomposite maintained its photocatalytic ability during five consecutive cycles. The mesostructure and S-scheme mechanism of MnCo₂O₄/Bi₂WO₆ nanocomposite promotes light absorption, high separation rate of carriers, and charge transport. The construction strategy of the obtained photocatalyst provides a feasible route for accelerating the practical abstraction of toxic Hg(II) ions.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering B-advanced Functional Solid-state Materials","volume":"310 ","pages":"Article 117774"},"PeriodicalIF":3.9,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142538074","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}