Materials Science and Engineering: B最新文献_第7页

Photo-tribocatalysis in Sr2Bi4Ti5O18 for dye degradation

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-03-10 DOI: 10.1016/j.mseb.2025.118207

Rahul, Vishal Singh Chauhan, Rahul Vaish

引用次数: 0

CdCl2 treatment and its role in enhancing photodetection properties of CdTe and Cd1-xZnxTe films

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-03-10 DOI: 10.1016/j.mseb.2025.118208

S. Yılmaz , B.M. Başol , İ. Polat , M.Taykurt Daday , M. Tomakin , T. Küçükömeroğlu , E. Bacaksız

{"title":"CdCl2 treatment and its role in enhancing photodetection properties of CdTe and Cd1-xZnxTe films","authors":"S. Yılmaz , B.M. Başol , İ. Polat , M.Taykurt Daday , M. Tomakin , T. Küçükömeroğlu , E. Bacaksız","doi":"10.1016/j.mseb.2025.118208","DOIUrl":"10.1016/j.mseb.2025.118208","url":null,"abstract":"<div><div>Close space sublimated CdTe and Cd<sub>1-x</sub>Zn<sub>x</sub>Te (CZT) films were grown on glass substrates and CdCl<sub>2</sub> activation was applied on these films to improve their physical, optical and electrical characteristics for photodetector applications. X-ray diffraction data showed that CdCl<sub>2</sub> treatment of CdTe caused a reduction in the dislocation density and microstrain, whereas Zn incorporation/CdCl<sub>2</sub> treatment slightly increased these values compared to the as-deposited CdTe films. Morphological examination indicated that CdCl<sub>2</sub> activation transformed grains from faceted to rounded shape for both CdTe and CZT films. A band gap enlargement was observed from 1.45 eV to 1.47 eV for both CdTe and CZT films upon CdCl<sub>2</sub> treatment. CdCl<sub>2</sub>-treated CZT films were used to fabricate photodetectors that exhibited the highest performance with a rise/fall time of 27/28 ms, sensitivity of 1301 %, responsivity of 0.0143 A/W, detectivity of 5.7x10<sup>7</sup> Jones and external quantum efficiency of 4.0 % under blue light illumination at 2 V.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"317 ","pages":"Article 118208"},"PeriodicalIF":3.9,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143576999","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 and comparison of various properties of diodes made using PTCDA and its synthesized ligand and brominated derivative

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-03-10 DOI: 10.1016/j.mseb.2025.118147

İlhan Uzun , İkram Orak , Ömer Sevgili , Mehmet Karakaplan

{"title":"Investigation and comparison of various properties of diodes made using PTCDA and its synthesized ligand and brominated derivative","authors":"İlhan Uzun , İkram Orak , Ömer Sevgili , Mehmet Karakaplan","doi":"10.1016/j.mseb.2025.118147","DOIUrl":"10.1016/j.mseb.2025.118147","url":null,"abstract":"<div><div>First, the ligand (PTC) and brominated derivative (Br<sub>2</sub>PTCDA) of perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA), whose structures were confirmed by FTIR and <sup>1</sup>H NMR spectra, were synthesized. Then, three new diodes were made using PTCDA, PTC, and Br<sub>2</sub>PTCDA as interface layers. The current–voltage (<em>I</em>–<em>V</em>) graphs of the diodes were determined for both dark environment and environments exposed to different illumination intensities (DIIs). The ideality factor (<em>n</em>) and rectification ratio (<em>RR</em>) values of Al/PTCDA/p-Si, Al/PTC/p-Si, and Al/Br<sub>2</sub>PTCDA/p-Si diodes for dark environment were determined as 2.243 and 365.51, 2.333 and 152.55, and 2.941 and 20.5, respectively. The <em>n</em> and <em>RR</em> values show that the Al/PTCDA/p-Si diode is both more ideal and more efficient than the other two diodes. The <em>n</em> values obtained for environments under DIIs (30, 40, 60, 80, and 100 mW cm<sup>−2</sup>) also showed that the Al/PTCDA/p-Si diode is more ideal than the other diodes, provided that the illumination intensity is the same.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"317 ","pages":"Article 118147"},"PeriodicalIF":3.9,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143577006","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

Chitosan-PVA-Mg(NO3)2 based biopolymer blend electrolyte membranes for EDLC applications: Structural, thermal and electrical transport properties study

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-03-09 DOI: 10.1016/j.mseb.2025.118200

R.K. Prajapati, Pooja Rawat, Horesh Kumar, A.L. Saroj

{"title":"Chitosan-PVA-Mg(NO3)2 based biopolymer blend electrolyte membranes for EDLC applications: Structural, thermal and electrical transport properties study","authors":"R.K. Prajapati, Pooja Rawat, Horesh Kumar, A.L. Saroj","doi":"10.1016/j.mseb.2025.118200","DOIUrl":"10.1016/j.mseb.2025.118200","url":null,"abstract":"<div><div>Solid biopolymer electrolytes have low ionic conductivity at room temperature. Biopolymer-polymer blending is one promising approach for improving ionic conductivity. The biopolymer Chitosan (CS) has the methyl, amide, and amine groups attached to its backbone, which is responsible for the interaction with the additive/polymer. Biopolymer blend electrolytes (BPBEs) based on [CS-PVA-PEG-200] + xwt% Mg(NO<sub>3</sub>)<sub>2</sub> were prepared and described using techniques XRD, FTIR, SEM, TGA and Electrochemical impedance spectroscopy(EIS). XRD and SEM results show an increase in the amorphousness of polymer electrolytes with salt, Mg(NO<sub>3</sub>)<sub>2</sub> content upto 30 wt% salt due to the interactions between the functional groups of PVA/CS as observed in IR analysis. Multi-step thermal decomposition peaks were observed in TGA analysis, and BPBE membranes are thermally stable up to 120 °C. The optimized sample, BPBE-4, has the maximum bulk dc conductivity ∼ 1.20 × 10<sup>−4</sup> Scm<sup>−1</sup> at 30 °C with the lowest activation energy, ionic transference number ∼ 0.99, and electrochemical stability window ∼ 4 Volt. The electrical conductivity and dielectric relaxation frequency of BPBEs show a temperature-dependent behavior that follows Arrhenius-type characteristics. All membranes show conductivity spectra that depend on frequency. These spectra follow Jonscher’s power law (JPL). Dielectric permittivity studies indicate that electrode polarisation is effective at low frequencies. The fabricated EDLC, based on the optimal sample, has been analysed using CV and GCD measurements.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"317 ","pages":"Article 118200"},"PeriodicalIF":3.9,"publicationDate":"2025-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143577002","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

Crystal facet engineering enhances photocatalytic NOx abatement selectivity

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-03-09 DOI: 10.1016/j.mseb.2025.118206

Muhammad Kamran , Muhammad Sajjad , Salman Qadir , Changle Wang , Runtong Zhang , Baode Ma , Shao-Tao Bai

{"title":"Crystal facet engineering enhances photocatalytic NOx abatement selectivity","authors":"Muhammad Kamran , Muhammad Sajjad , Salman Qadir , Changle Wang , Runtong Zhang , Baode Ma , Shao-Tao Bai","doi":"10.1016/j.mseb.2025.118206","DOIUrl":"10.1016/j.mseb.2025.118206","url":null,"abstract":"<div><div>Crystal facet engineering is an important concept in material science but is yet to be explored direction of fabricating catalysts with improved selectivity. In this study, we prepared pure TiO<sub>2</sub> brookite nanorod catalysts exposed with a variation of (120), (111), and (110) active crystal domains for photocatalytic NOx (nitrogen oxides) abatement using TALH (C<sub>6</sub>H<sub>18</sub>N<sub>2</sub>O<sub>8</sub>Ti) titania precursor via a variation of sodium lactate (C<sub>3</sub>H<sub>5</sub>NaO<sub>3</sub>) and urea (NH<sub>4</sub>CNO) addition. The different characterization such as XRD, SEM, and TEM proved the high availability of (111) crystal facet and approximate equal presence of (120), (111), and (110) crystal domains in TALH-6U-SL resulting in up to 4.9-fold higher selectivity than commercial TiO<sub>2</sub>-P25 as well as other brookite nanorod catalysts. TGA, FTIR, and XPS results demonstrated that compared to other catalysts, TALH-6U-SL nanorod catalyst adsorbs more water and contains more oxygen vacancies and crystal defects, thus boosting the photocatalytic selectivity for NOx conversion to NO<sub>3</sub><sup>−</sup> ions.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"317 ","pages":"Article 118206"},"PeriodicalIF":3.9,"publicationDate":"2025-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143577003","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

P[VEIm]I/PVdF electrospun fibers separator for supercapacitor in ionic liquids electrolyte

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-03-09 DOI: 10.1016/j.mseb.2025.118179

Taiyu Guo , Xin Weng , Zhenzhen Wang , Liying Wang , Ruixin Li , Tieshi He

{"title":"P[VEIm]I/PVdF electrospun fibers separator for supercapacitor in ionic liquids electrolyte","authors":"Taiyu Guo , Xin Weng , Zhenzhen Wang , Liying Wang , Ruixin Li , Tieshi He","doi":"10.1016/j.mseb.2025.118179","DOIUrl":"10.1016/j.mseb.2025.118179","url":null,"abstract":"<div><div>Poly (1-vinyl-3-ethylimidazole iodide)/polyvinylidene fluoride (P[VEIm]I / PVdF) electrospun fibers separators are prepared using the electrospinning method. The morphology, physical and chemical properties of P[VEIm]I/PVdF electrospun fibers are investigated by image analysis, characterization of the surface and electrochemical properties. The charge storage behaviour of supercapacitor based on P[VEIm]I/PVdF electrospun fibers separators in ionic liquid electrolyte are studied by means of alternative internal resistance, galvanostatic charge–discharge and cyclic voltammogram tests <em>etc</em>. P[VEIm]I/PVdF electrospun fibers separators exhibit high ionic liquid electrolyte uptake, fast ion transport ability and electrochemical stability. A supercapacitor fabricated using a P[VEIm]I/PVdF electrospun fibers separator derived from P[VEIm]I: PVdF mass ratio = 3: 100 demonstrates excellent comprehensive electrochemical performance: low impedance (4.1 Ω), high working voltage (3.5 V), energy density (22.5 Wh·kg<sup>−1</sup>), power density (1,096 W·kg<sup>−1</sup>), and capacity retention ability is 97.5 % after 1,000 cycles.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"317 ","pages":"Article 118179"},"PeriodicalIF":3.9,"publicationDate":"2025-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143577004","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

Calcium stannate dielectrics compacted by spark plasma sintering

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-03-09 DOI: 10.1016/j.mseb.2025.118203

Pavel Ctibor , Josef Sedláček , Libor Straka , Petr Veselý , František Lukáč

{"title":"Calcium stannate dielectrics compacted by spark plasma sintering","authors":"Pavel Ctibor , Josef Sedláček , Libor Straka , Petr Veselý , František Lukáč","doi":"10.1016/j.mseb.2025.118203","DOIUrl":"10.1016/j.mseb.2025.118203","url":null,"abstract":"<div><div>The aim of this work was to sinter calcium stannate dielectric ceramics, CaSnO<sub>3</sub>, via spark plasma sintering (SPS). The material is difficult to sinter, mainly because of Sn volatility. A semi-commercial powder product was consolidated into a form of bulk discs by SPS. As the main variable parameter, the hot-compaction pressure varied from 30 MPa to 80 MPa. The as-sintered bulks were studied by microscopy, phase analysis, X-ray photoelectron spectroscopy and microhardness. The samples were covered with electrodes and dielectric parameters were measured, including DC resistance. Relative permittivity and loss tangent values for the frequency range 1 kHz to 1 MHz and the temperature range 30 °C to 200 °C were very stable with no relaxation. Connections between the sintering parameters, microstructure and dielectric characteristics were found. Samples sintered at the pressure over 30 MPa behaved like reliable dielectrics. A novel approach to sintering of very promising dielectrics was developed: The sample sintered at 1300 °C using 50 MPa pressure exhibited very interesting values, ε<sub>r</sub> = 28.2; tan(δ) = 0.036 and thermal coefficient of capacitance TCC = 26 ppm/K at 1 MHz. The influence of vacancies and ion valence modifications was discussed.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"317 ","pages":""},"PeriodicalIF":3.9,"publicationDate":"2025-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143576779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Riveted microstructure induced by macro-modulation for reinforcing the potassium ion storage performance of metal sulfide

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-03-08 DOI: 10.1016/j.mseb.2025.118117

Jing Zhang , Huanming Zhuo , Yuehuan Peng , Xuelong Rao , Keyi Xian , Haozhe Qin , Chunhui Wang

{"title":"Riveted microstructure induced by macro-modulation for reinforcing the potassium ion storage performance of metal sulfide","authors":"Jing Zhang , Huanming Zhuo , Yuehuan Peng , Xuelong Rao , Keyi Xian , Haozhe Qin , Chunhui Wang","doi":"10.1016/j.mseb.2025.118117","DOIUrl":"10.1016/j.mseb.2025.118117","url":null,"abstract":"<div><div>Typically, general heterostructure easily generates accumulated interior stress at the interface of heterogeneous phases, which will deteriorate the potassium ion storage performance. Macro-control design improving microstructure stability is a promising construction strategy for obtaining high-performance anode materials. Herein, the spherical framework constituted by numerous nanograins has been fabricated for enhancing the electrochemical performance of the hetero-phase of ZnS combined with GeS<sub>2</sub> (ZGS-SP). Specially, the framework of ZGS-SP materials constituted by nanospheres delivers multiple cross-linked nodes, which can effectively disperse the inner stress, thereof improving the structure stability of primary grains. Meanwhile, due to the presence of the acting and reacting force and surficial carbon, the nanospheres can support each other as the framework structure expands in volume during K-ion insertion, thus heightening the structure tolerance of overall framework. As expected, the ZGS-SP materials express a prominent cycling stability (121.6 mAh g<sup>−1</sup> at 1 A g<sup>−1</sup> over 1000 cycles).</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"317 ","pages":"Article 118117"},"PeriodicalIF":3.9,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143577001","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

Remediation of industrial solid waste in fabrication of porous alumina ceramic filter and their efficacy in aerosol filtration and removal of oil from wastewater

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-03-08 DOI: 10.1016/j.mseb.2025.118202

Tamal Ghosh, Nilanjan Santra, Nijhuma Kayal

{"title":"Remediation of industrial solid waste in fabrication of porous alumina ceramic filter and their efficacy in aerosol filtration and removal of oil from wastewater","authors":"Tamal Ghosh, Nilanjan Santra, Nijhuma Kayal","doi":"10.1016/j.mseb.2025.118202","DOIUrl":"10.1016/j.mseb.2025.118202","url":null,"abstract":"<div><div>Ceramic filters prepared by recycling of industrial solid waste have drawn considerable research interests for various separation and purification applications. In search of low-cost and environmentally friendly utilization of solid waste, this study focuses on synthesis of porous alumina ceramic filters by partial sintering at 1200 °Cusing Al<sub>2</sub>O<sub>3</sub>, coal derived solid waste as sintering additive, and MoO<sub>3</sub> as catalyst. The effects of processing parameters on the materials properties of filters, water permeability, aerosol and wastewater filtration efficiency were investigated. The filters prepared using 20 wt% coal fly ash was found to be optimal and exhibited a flexural strength of 45.6 MPa at porosity of 40.8 vol%, and water permeability of 1084 LMH bar<sup>−1</sup> and also showed good performance in removal of oil and turbidity from oily wastewater. This work may appeal to the practical low-cost production of high-performance alumina ceramic filters with a wide range of potential applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"317 ","pages":"Article 118202"},"PeriodicalIF":3.9,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143577000","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

ZnMn2O4 hierarchical hollow Self-Assembly microspheres Bearing enhanced photocatalytic activity under visible light

IF 3.9 3区材料科学

Materials Science and Engineering: B Pub Date : 2025-03-07 DOI: 10.1016/j.mseb.2025.118194

Zivar Azmoodeh , Hossain Milani Moghaddam , Shahruz Nasirian , Alireza Soltani

{"title":"ZnMn2O4 hierarchical hollow Self-Assembly microspheres Bearing enhanced photocatalytic activity under visible light","authors":"Zivar Azmoodeh , Hossain Milani Moghaddam , Shahruz Nasirian , Alireza Soltani","doi":"10.1016/j.mseb.2025.118194","DOIUrl":"10.1016/j.mseb.2025.118194","url":null,"abstract":"<div><div>This study presents the successful synthesis of highly hierarchical ZnMn<sub>2</sub>O<sub>4</sub> microspheres (HZM) through the self-assembly of nanoparticle arrays. HZM was prepared using a one-step hydrothermal method, without the use of sacrificial agents or templates, at three different hydrothermal times (20, 40, and 72 h). Increasing the hydrothermal time to more than 20 h resulted in the formation of well-defined hierarchically hollow microspheres. Analysis confirmed the proper crystallinity and phase purity of HZM, with regular nanoparticles arranged on their surface in a stacked configuration resembling a hedgehog shape. The photocatalytic characteristics of HZM were assessed through an investigation into the degradation of methylene blue (MB) under visible light. Among the synthesized HZMs, those processed for a duration of 72 h (HZM3) demonstrated an enhanced specific surface area and a reduced recombination rate of photogenerated electron-hole pairs. This improvement has garnered significant attention, resulting in the most effective photocatalytic oxidation of MB (>80 %) achieved within 180 min. The comprehensive evaluation and analysis of the photocatalytic properties of the synthesized hollow microspheres were conducted. The durability and stability of HZM3 in the tricycle indicate that these as-synthesized microspheres can serve as durable photocatalysts for the degradation of organic dye molecules.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"317 ","pages":"Article 118194"},"PeriodicalIF":3.9,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143563766","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