Materials Research Bulletin最新文献_第3页

Enhanced opto-chemical sensing of phenolphthalein using thermally stable au-supported Titania-silica nanocomposites 利用热稳定的金刚石支撑的二氧化钛-二氧化硅纳米复合材料增强酚酞的光化学传感能力

IF 5.3 3区材料科学

Materials Research Bulletin Pub Date : 2024-11-16 DOI: 10.1016/j.materresbull.2024.113195

Shumaila Islam, Adil Alshoaibi, Nisrin Alnaim

引用次数: 0

Synthesis and theoretical investigation of a new Hg2+ chemosensor based nanomagnetic particle (Fe3O4@SiO2@Pr‑NCIM) 基于纳米磁性粒子（Fe3O4@SiO2@Pr-NCIM）的新型 Hg2+ 化学传感器的合成与理论研究

IF 5.3 3区材料科学

Materials Research Bulletin Pub Date : 2024-11-15 DOI: 10.1016/j.materresbull.2024.113200

Nasrin Dehghani , Ghodsi Mohammadi Ziarani , Mehran Feizi-Dehnayebi , Marziesadat Mirhosseyni , Alireza Badiei

{"title":"Synthesis and theoretical investigation of a new Hg2+ chemosensor based nanomagnetic particle (Fe3O4@SiO2@Pr‑NCIM)","authors":"Nasrin Dehghani , Ghodsi Mohammadi Ziarani , Mehran Feizi-Dehnayebi , Marziesadat Mirhosseyni , Alireza Badiei","doi":"10.1016/j.materresbull.2024.113200","DOIUrl":"10.1016/j.materresbull.2024.113200","url":null,"abstract":"<div><div>In this study, the synthesis of a new Hg<sup>2+</sup> chemosensor-based nanomagnetic particle <strong>(</strong>Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>@Pr-NCIM) was investigated via coating the Fe<sub>3</sub>O<sub>4</sub> magnetic nanoparticles (MNPs) with SiO<sub>2</sub>, 3-Aminopropyltriethoxysilan (APTES), and Imidazole-2-Carbaldehyde, respectively, and then it was characterized through the different analyses, including FT-IR, SEM, EDX, and VSM. The fluorescence properties of the Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>@Pr-NCIM were studied in the presence of various cations in EtOH as a green solvent. The obtained results showed that it can be utilized as a new chemosensor with high sensitivity and selectivity for Hg<sup>2+</sup> ion. In addition, the impressive limit of detection (LOD) of 4.03 × 10<sup>–6</sup> for the Hg<sup>2+</sup> ion demonstrated the acceptable linear relation between Hg<sup>2+</sup> concentration and the fluorescence intensity of the synthesized Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>@Pr-NCIM structure. Utilizing the B3LYP/6–311g (d,p)/LANL2DZ method, DFT calculations were conducted, encompassing MEP map, geometry optimization, HOMO-LUMO, and the evaluation of quantum descriptors. The experimental mechanism of interaction between the ligand and Hg<sup>2+</sup> is confirmed by the DFT calculation.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"183 ","pages":"Article 113200"},"PeriodicalIF":5.3,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705726","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

Al³⁺-substituted magnesium ferrites (MgAlₓFe2-xO4) for advanced hydroelectric cells and pseudocapacitors: Insights into the structural, morphological, and electrical studies 用于先进水力发电电池和伪电容器的铝³⁺取代镁铁氧体（MgAlₓFe2-xO4）：对结构、形态和电学研究的见解

IF 5.3 3区材料科学

Materials Research Bulletin Pub Date : 2024-11-15 DOI: 10.1016/j.materresbull.2024.113196

Prachi Jain , Mohd Rehan Ansari , S․ Shankar , O․ P․ Thakur , Koteswara Rao Peta

{"title":"Al³⁺-substituted magnesium ferrites (MgAlₓFe2-xO4) for advanced hydroelectric cells and pseudocapacitors: Insights into the structural, morphological, and electrical studies","authors":"Prachi Jain , Mohd Rehan Ansari , S․ Shankar , O․ P․ Thakur , Koteswara Rao Peta","doi":"10.1016/j.materresbull.2024.113196","DOIUrl":"10.1016/j.materresbull.2024.113196","url":null,"abstract":"<div><div>Electrochemical energy conversion and storage systems are currently at the forefront of the global energy landscape. Here, we have exhibited the generation of current by fabricating the hydroelectric cells (HEC) of Al<sup>3+</sup> substituted magnesium ferrites with the general chemical composition [MgAl<sub>x</sub>Fe<sub>2-x</sub>O<sub>4</sub>, <em>x</em> = 0.00, 0.10, and 0.20]. The structural confirmation has achieved using X-ray diffraction (XRD) and Raman spectroscopy. The Rietveld refinement was done to verify the cubic shape structured unit cell along with the analysis of cationic distribution. The adsorption of water molecules on the surface of ferrite has been verified using Fourier transform infrared (FTIR) spectroscopy, X-ray photoelectron (XPS), and Photoluminescence spectroscopy (PL). The V-I response revealed the maximum value of current (I<sub>sc</sub>) is 16.03 mA generated in AMG10 and a voltage of 0.99 V. The maximum current density of 15.695 mA/cm<sup>2</sup> is demonstrated by the HEC (<em>x</em> = 0.10) which suggested its utility for pseudo-capacitive device application.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"183 ","pages":"Article 113196"},"PeriodicalIF":5.3,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705737","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

Gradient N-doping SrTiO3 photoanode with enhanced photoelectrochemical corrosion protection performance for 304 stainless steel 梯度 N 掺杂的 SrTiO3 光阳极可增强 304 不锈钢的光电化学腐蚀防护性能

IF 5.3 3区材料科学

Materials Research Bulletin Pub Date : 2024-11-15 DOI: 10.1016/j.materresbull.2024.113199

Jiansheng Wang, Da Qing, Yingna Zhao, Xiongfeng Zeng

{"title":"Gradient N-doping SrTiO3 photoanode with enhanced photoelectrochemical corrosion protection performance for 304 stainless steel","authors":"Jiansheng Wang, Da Qing, Yingna Zhao, Xiongfeng Zeng","doi":"10.1016/j.materresbull.2024.113199","DOIUrl":"10.1016/j.materresbull.2024.113199","url":null,"abstract":"<div><div>Low charge carrier separation is one of the prime factors limiting photoanode performance, and constructing homojunction in photoanode is an effective approach to accelerate charge carrier separation and transfer. In this work, we investigated the band structures of SrTiO<sub>3</sub> with different concentrations of N doping. Based on the fact that SrTiO<sub>3</sub> with different concentrations of N doping had different band structures, the homojunction was constructed by grading the N doping concentrations along the depth direction of SrTiO<sub>3</sub>, which was verified by cross-sectional SEM-EDS. SrTiO<sub>3</sub> photoanode with forward gradient N-doping showed significantly improved charge separation efficiency and photoelectrochemical corrosion protection (PCP) performance for 304 stainless steel (304 SS). Under simulated sunlight, the open circuit potential of 304 SS in simulated seawater, when coupled with the a forward gradient N-doped SrTiO<sub>3</sub> photoanode negatively shifted 250 mV at most, which was higher than that of reverse gradient N-doped SrTiO<sub>3</sub> (80 mV) and homogeneous N-doped SrTiO<sub>3</sub> (150 mV), showing effective protection for 304 SS. The forward gradient N-doped SrTiO<sub>3</sub> photoanode shows excellent PCP performance due to gradient N-doping that constructs the built-in homojunction electric field along the depth direction, which expands the separation field range and accelerates carrier separation.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"183 ","pages":"Article 113199"},"PeriodicalIF":5.3,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705690","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

Highly flexible Ni(OH)2/Co(OH)2 composites for low temperature electrochemical capacitors 用于低温电化学电容器的高柔性 Ni(OH)2/Co(OH)2 复合材料

IF 5.3 3区材料科学

Materials Research Bulletin Pub Date : 2024-11-15 DOI: 10.1016/j.materresbull.2024.113198

Wei Jia, Qi He, Zhiqiang Guo

引用次数: 0

Simple and straightforward synthesis of magnetoplasmonic nanostars Fe3O4@Au NSs for enhanced SERS detection 简单直接地合成用于增强 SERS 检测的磁性纳米星 Fe3O4@Au NSs

IF 5.3 3区材料科学

Materials Research Bulletin Pub Date : 2024-11-15 DOI: 10.1016/j.materresbull.2024.113197

Leandro Benavides , María Celina Stefoni , María Claudia Marchi , Daniel H. Murgida , María Ana Castro

{"title":"Simple and straightforward synthesis of magnetoplasmonic nanostars Fe3O4@Au NSs for enhanced SERS detection","authors":"Leandro Benavides , María Celina Stefoni , María Claudia Marchi , Daniel H. Murgida , María Ana Castro","doi":"10.1016/j.materresbull.2024.113197","DOIUrl":"10.1016/j.materresbull.2024.113197","url":null,"abstract":"<div><div>This work introduces a simple and efficient protocol for synthesizing dual-functional magnetic gold nanostars Fe<sub>3</sub>O<sub>4</sub>@Au NSs, overcoming the challenges of previous complex synthesis protocols. By analyzing key synthetic variables and their impact on the structure and plasmonic properties, we optimized the production of these nanostars. The synthesized nanostructures exhibit significant surface-enhanced resonance Raman spectroscopy (SERRS) effects, with an enhancement factor of 1 × 10<sup>5</sup> using malachite green as a model analyte. The inherent magnetic properties enable efficient pre-concentration, leading to a 13-fold increase in Raman signal intensity and a low detection limit of 33 nM. Through the synergistic combination of magnetic separation and SERS/SERRS analysis, these nanostructures offer a robust tool for sensitive and selective analyte determination in complex matrices, making them valuable for applications in environmental monitoring, sensing, imaging, and biomedical research.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"183 ","pages":"Article 113197"},"PeriodicalIF":5.3,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705730","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

Visible light sensitive photocatalytic properties of Bi2WO6/Ag2CO3 heterojunction combined with reduced graphene oxide for the removal of organic dyes 结合还原氧化石墨烯的 Bi2WO6/Ag2CO3 异质结在去除有机染料方面的可见光敏感光催化特性

IF 5.3 3区材料科学

Materials Research Bulletin Pub Date : 2024-11-13 DOI: 10.1016/j.materresbull.2024.113175

A. Rebekah , Reddyprakash Maddipatla , Kee-Sun Lee

{"title":"Visible light sensitive photocatalytic properties of Bi2WO6/Ag2CO3 heterojunction combined with reduced graphene oxide for the removal of organic dyes","authors":"A. Rebekah , Reddyprakash Maddipatla , Kee-Sun Lee","doi":"10.1016/j.materresbull.2024.113175","DOIUrl":"10.1016/j.materresbull.2024.113175","url":null,"abstract":"<div><div>Herein, an efficient Bi<sub>2</sub>WO<sub>6</sub>/Ag<sub>2</sub>CO<sub>3</sub>/rGO (BW/AC/rGO) heterojunction photocatalyst with different loadings of reduced graphene oxide (rGO) was synthesized by the simple hydrothermal process. The incorporated rGO serves as a redox mediator for promoting the transfer of electrons and improves the reunion time of photogenerated charge carriers. The structural analysis confirms the heterojunction formation and the optical analysis affirms the modulated bandgap and prolonged lifetime (309 ns) of charges favorable for visible light-sensitive photocatalysis. The photocatalytic studies reveal that the prepared BW/AC/rGO photocatalyst with 40 % loading of rGO exhibited a higher degradation efficiency of 97 % at 230 min in degrading rhodamine B dye. The recyclability test reveals that the photocatalyst is consistent in degrading with good photostability after four consecutive cycles. The radical trapping experiments proved that electrons and hydroxyl radicals play a crucial role in enhancing photocatalytic activity. These findings suggest that the heterojunction-designed BW/AC/rGO photocatalyst is a potential candidate for environmental remediation.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"183 ","pages":"Article 113175"},"PeriodicalIF":5.3,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705725","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

Adjustable emission color by gadolinium tungstate phosphor for multiple applications 通过钆钨酸盐荧光粉调节发射颜色，实现多种应用

IF 5.3 3区材料科学

Materials Research Bulletin Pub Date : 2024-11-12 DOI: 10.1016/j.materresbull.2024.113190

Jae Yong Jung , Jin Young Park , Hyun Kyoung Yang

{"title":"Adjustable emission color by gadolinium tungstate phosphor for multiple applications","authors":"Jae Yong Jung , Jin Young Park , Hyun Kyoung Yang","doi":"10.1016/j.materresbull.2024.113190","DOIUrl":"10.1016/j.materresbull.2024.113190","url":null,"abstract":"<div><div>Crystalline monoclinic structure Gd<sub>2</sub>(WO<sub>4</sub>)<sub>3</sub> phosphors were prepared by calcining a co-precipitated precursor at 800°C. The XRD patterns exhibited strong signals at the (-221) and (023) planes. The UV-vis absorption spectrum showed strong absorbance in the UV range, with an estimated bandgap energy of about 4 eV. When excited the synthesized phosphors emitted green (Tb<sup>3+</sup>), red (Eu<sup>3+</sup>), yellow (Dy<sup>3+</sup>), and reddish orange (Sm<sup>3+</sup>), respectively. Utilizing these luminescent properties, flexible composite sheets were fabricated by mixing the phosphors with PDMS. When applied to UV-LED chips. The composites could be molded into various shapes figures. Under normal light, the composites appeared white, but under UV light, they displayed distinct colors, demonstrating their potential for anti-counterfeiting applications. Additionally, when the synthesized phosphor powder was sprinkled onto a glass substrate with fingerprints and illuminated with a UV lamp, the unique features of the fingerprints were clearly visible, indicating potential use in forensic fingerprint analysis.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"183 ","pages":"Article 113190"},"PeriodicalIF":5.3,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142705729","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

Boosted photocatalytic degradation performance of TiO2 with enriched oxygen vacancies 提高富氧空位 TiO2 的光催化降解性能

IF 5.3 3区材料科学

Materials Research Bulletin Pub Date : 2024-11-12 DOI: 10.1016/j.materresbull.2024.113194

Ying Zhang, Lin Dou, Suo Zhang, Xingwen Zheng, Shengtian Huang

引用次数: 0

Effect of Cr substitution in ZnFe2O4 nanoparticles on the electron transfer at electrochemical interfaces ZnFe2O4 纳米粒子中的铬替代物对电化学界面电子转移的影响

IF 5.3 3区材料科学

Materials Research Bulletin Pub Date : 2024-11-12 DOI: 10.1016/j.materresbull.2024.113191

Mallikarjun Madagalam , Mattia Bartoli , Michele Rosito , Nicola Blangetti , Marco Etzi , Elisa Padovano , Barbara Bonelli , Sandro Carrara , Alberto Tagliaferro

{"title":"Effect of Cr substitution in ZnFe2O4 nanoparticles on the electron transfer at electrochemical interfaces","authors":"Mallikarjun Madagalam , Mattia Bartoli , Michele Rosito , Nicola Blangetti , Marco Etzi , Elisa Padovano , Barbara Bonelli , Sandro Carrara , Alberto Tagliaferro","doi":"10.1016/j.materresbull.2024.113191","DOIUrl":"10.1016/j.materresbull.2024.113191","url":null,"abstract":"<div><div>In this study, we explored the effect of Cr³⁺ substitution by partially and fully replacing Fe³⁺ in the normal spinel ZnFe₂O₄ crystal structure at electrochemical interfaces. The resulting ZnCrₓFe₂₋ₓO₄ nanomaterials exhibited an average particle size between 20 and 50 nm with a spherical morphology. The materials also demonstrated energy band gaps ranging from 2.1 to 3.1 eV X-ray diffraction (XRD) analysis confirmed that all the synthesized materials maintained a normal spinel structure, attributed to the octahedral site preference energy (OSPE) of Zn²⁺, Fe³⁺, and Cr³⁺ ions. Electrochemical performance assessments revealed that the ZnFe₂O₄-based sensor achieved a sensitivity of (37.8 ± 0.2) μA/mM with a kinetic rate constant of (13.1 ± 2.8) ms⁻¹, while the ZnCr₂O₄-based sensor exhibited a sensitivity of (32.4 ± 0.5) μA/mM and a kinetic rate constant of (3.73 ± 0.55) ms⁻¹ in the detection of paracetamol, whereas ZnCrFeO<sub>4</sub> sensor has produced the second-best sensitivity (35.7 ± 0.1 μA/mM) and the rate constant (4.53 ± 0.54 ms⁻¹) with the lowest limit of detection (1.94 ± 0.01 μM). These differences in electrochemical performance were correlated with the variations in the energy band gaps caused by the restructuring of the normal spinel structure. Our findings indicate that the ZnFe₂O₄ sensor has a higher potential for direct electron transfer, whereas the other sensors are more likely to facilitate surface-mediated electron transfer.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"183 ","pages":"Article 113191"},"PeriodicalIF":5.3,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142660071","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