Nandini Robin Nadar , J. Deepak , S.C. Sharma , B.R. Radha Krushna , Priya Josson Akkara , K. Ponnazhagan , Samir Sahu , D Veera Vanitha , D. Sivaganesh , H. Nagabhushana
{"title":"Bismuth doped spinel CoCr2O4 nanocrystals for dual application on supercapacitor and dopamine detection","authors":"Nandini Robin Nadar , J. Deepak , S.C. Sharma , B.R. Radha Krushna , Priya Josson Akkara , K. Ponnazhagan , Samir Sahu , D Veera Vanitha , D. Sivaganesh , H. Nagabhushana","doi":"10.1016/j.mseb.2025.118346","DOIUrl":"10.1016/j.mseb.2025.118346","url":null,"abstract":"<div><div>The increasing demand in applied sciences for the detection of biological molecules such as dopamine (DA), ascorbic acid (AA), and uric acid (UA) drives the need for innovative materials to enhance healthcare diagnostics. This study introduces bismuth-doped CoCr<sub>2</sub>O<sub>4</sub> (BCC) nanocrystals, synthesized via a simple combustion method, for electrochemical biosensing and supercapacitor applications. A BCC-modified carbon paste electrode enhances dopamine detection sensitivity by 64 %, achieving a low detection limit of 0.25 µM and excellent selectivity against uric acid, while maintaining 86.87 % stability over 10 cycles. For supercapacitors, BCC nanocomposites demonstrate a high specific capacitance of 309.24F/g (cyclic voltammetry, CV) and 338.88F/g (galvanostatic charge/discharge, GCD), with an energy density of 67.77 Wh/kg and 86.12 % capacity retention after 5000 cycles. These findings highlight BCC’s versatility for both healthcare diagnostics and energy storage.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"319 ","pages":"Article 118346"},"PeriodicalIF":3.9,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143864275","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}
Sandesh S. Raut, Nikhil A. Bhave, Prashant S. Kulkarni
{"title":"Synergistic effect of polymer supported NiO/Bi2O3 nanocomposite for photocatalytic degradation of industrial wastewater","authors":"Sandesh S. Raut, Nikhil A. Bhave, Prashant S. Kulkarni","doi":"10.1016/j.mseb.2025.118326","DOIUrl":"10.1016/j.mseb.2025.118326","url":null,"abstract":"<div><div>The red wastewater produced from TNT manufacturing units is a cause of concern in India. In this regard, a novel photocatalyst, PANI/NiO-Bi<sub>2</sub>O<sub>3</sub> was developed by following hydrothermal method and in-situ oxidative polymerization and applied for the treatment of red wastewater. The band gap energy of 2.25 eV and 1.75 eV were observed for the bimetallic (NiO-Bi<sub>2</sub>O<sub>3</sub>) and polymer supported bimetallic (PANI/NiO-Bi<sub>2</sub>O<sub>3</sub>), respectively. The reaction parameters and degradation kinetics were studied and optimum reaction conditions were evaluated by changing the catalyst quantity and time. The PANI/NiO-Bi<sub>2</sub>O<sub>3</sub> (0.25 g/L) with UV–Vis light irradiation was proved to be more efficient and economical for degrading the red wastewater below the discharge limits of TOC (<2 mg/L) and TDS (<500 mg/L), as recommended by USEPA. The kinetic rate of PANI/NiO-Bi<sub>2</sub>O<sub>3</sub> was observed to be 0.0068 min<sup>−1</sup>. The degradation curve indicates complete mineralization of the pollutants present in industrial wastewater into CO<sub>2</sub> and H<sub>2</sub>O.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"319 ","pages":"Article 118326"},"PeriodicalIF":3.9,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143870525","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}
Yuan Zeng , Moritz Kindelmann , Rishad Kunafiev , Mariya E. Ivanova , Olivier Guillon , Kwati Leonard , Norbert H. Menzler
{"title":"Advancing proton-conducting ceramic cells with thin electrolyte layers prepared by wet powder spraying","authors":"Yuan Zeng , Moritz Kindelmann , Rishad Kunafiev , Mariya E. Ivanova , Olivier Guillon , Kwati Leonard , Norbert H. Menzler","doi":"10.1016/j.mseb.2025.118340","DOIUrl":"10.1016/j.mseb.2025.118340","url":null,"abstract":"<div><div>The development of proton conducting high temperature solid state electrochemical cells (PCCs) is vital for energy conversion and storage. Here, a SrZr<sub>0.5</sub>Ce<sub>0.4</sub>Y<sub>0.1</sub>O<sub>3-δ</sub> (SZCY)<!--> <!-->/<!--> <!-->NiO supported cell with a 3 <!--> <!-->μm BaZr<sub>0.16</sub>Ce<sub>0.64</sub>Y<sub>0.1</sub>Yb<sub>0.1</sub>O<sub>3-δ</sub> electrolyte, deposited by wet powder spraying (WPS), was fabricated. Co-sintering at 1375 °C yielded a dense electrolyte layer with large grains. Sr diffusion from the SZCY substrate compensated for Ba evaporation, preventing the formation of Y-rich secondary phases and thereby enhancing sinterability. STEM confirmed elemental diffusion and verified the proton transport without grain boundary obstruct in the thin electrolyte layer. The fabricated PCC achieved 422<!--> <!-->mW<!--> <!-->cm<sup>−2</sup> at 0.7 <!--> <!-->V and 600 °C in fuel cell mode, demonstrating competitive electrochemical performance. Minor defects in the electrolyte layer contributed to reduced open-circuit voltage (OCV) at lower temperatures, attributed to contamination during substrate pre-treatment. This work demonstrates the viability of WPS for scalable fabrication of thin PCC electrolyte layers with enhanced electrochemical performance.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"319 ","pages":"Article 118340"},"PeriodicalIF":3.9,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143864274","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":"Effect of cobalt substitution on electromagnetic response of Manganese-Zinc spinel ferrite composite","authors":"Salman Naeem Khan , Amna Mir , Ihtsham Saeed , Ishrat Sultana , Hafiz Tariq Masood","doi":"10.1016/j.mseb.2025.118344","DOIUrl":"10.1016/j.mseb.2025.118344","url":null,"abstract":"<div><div>In this study, cobalt doped Manganese-Zinc ferrites <span><math><mrow><msub><mrow><mi>Mn</mi></mrow><mrow><mn>0.5</mn></mrow></msub><msub><mrow><mi>Zn</mi></mrow><mrow><mn>0.5</mn><mo>-</mo><mi>x</mi></mrow></msub><msub><mrow><mi>Co</mi></mrow><mi>x</mi></msub><msub><mrow><mi>Fe</mi></mrow><mn>2</mn></msub><msub><mi>O</mi><mn>4</mn></msub></mrow></math></span> as <span><math><mrow><mi>x</mi><mo>=</mo><mn>0</mn><mo>,</mo><mn>0.1</mn><mo>,</mo><mn>0.2</mn><mo>,</mo><mn>0.3</mn><mo>,</mo><mn>0.4</mn></mrow></math></span> are synthesized using the sol–gel auto-combustion method. Structural study of as-prepared samples is done using X-ray diffraction and confirms the formation of single-phase cubic spinel structure of the undoped sample. The effect of cobalt doping is observed in XRD with the presence of <span><math><mrow><mi>F</mi><mi>e</mi><mn>2</mn><msub><mi>O</mi><mn>3</mn></msub></mrow></math></span> in a few samples. This phase is further reduced, and the cobalt starts to appear in the sample. Different vibrational modes are studied using Raman spectroscopy. The main aim of this study is to measure the response of the <span><math><mrow><mi>Co</mi></mrow></math></span> doping in <span><math><mrow><mi>Mn</mi></mrow></math></span> and <span><math><mrow><mi>Zn</mi></mrow></math></span> ferrite in microwave frequency region from <span><math><mrow><mn>1</mn><mi>G</mi><mi>H</mi><mi>z</mi></mrow></math></span> to <span><math><mrow><mn>18</mn><mi>G</mi><mi>H</mi><mi>z</mi></mrow></math></span>. For this purpose, the prepared ferrites were characterized with a Vector network analyzer (VNA) using a coaxial air cell to measure the permittivity, permeability, and dielectric loss tangent. The synergetic response shows superior electromagnetic reflection over broad frequency bandwidth with cobalt. These dielectric properties are useful for radar and defense applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"319 ","pages":"Article 118344"},"PeriodicalIF":3.9,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143864279","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 of an original Bi12CoO20/ZnO nanocomposites for lead adsorption","authors":"Serine Madji , Elhadj Mekatel , Mohamed Belmedani , Julie Cosme , Sarra Zouaoui , Julien Vieillard","doi":"10.1016/j.mseb.2025.118345","DOIUrl":"10.1016/j.mseb.2025.118345","url":null,"abstract":"<div><div>This study explores the exceptional potential of Bi<sub>12</sub>CoO<sub>20</sub>/ZnO nanocomposites as highly efficient adsorbents for the removal of Lead (II) from aqueous solutions, highlighting their innovative application in wastewater treatment. These nanocomposites combine the unique properties of Bi<sub>12</sub>CoO<sub>20</sub> and ZnO, offering a promising solution for environmental remediation. A comprehensive analysis has been performed on the characterization of the nanomaterials Bi<sub>12</sub>CoO<sub>20</sub>, ZnO, and Bi<sub>12</sub>CoO<sub>20</sub>/ZnO, where the structural, morphological, and physicochemical properties were examined using various characterization techniques, including thermo-gravimetric analysis, X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray spectroscopy, Raman Spectroscopy, Brunauer-Emmett-Teller analysis for specific surface area and pH<sub>PZC</sub>. A parametric study was carried out to evaluate the impact of the main parameters on the lead (II) adsorption process. The experimental results obtained were carefully analyzed to evaluate the kinetics of lead adsorption and to determine the adsorption isotherms by applying two-parameter models. A 99 % yield was achieved at pH 7, 0.25 g L<sup>-1</sup>, 50 mg L<sup>-1</sup> initial concentration, 35 °C and an equilibration time of just 30 min, with a maximum adsorption capacity of 204.081 mg g<sup>−1</sup>. The pseudo-second-order kinetic model is the most suitable model for describing the experimental data related to the adsorption of Pb(II), indicating that the removal process of Pb<sup>2+</sup> ions is associated with chemical adsorption, with the rate constant determined to be 1.2732 × 10<sup>-3</sup> g mg<sup>−1</sup> min<sup>−1</sup> at a concentration of 50 mg L<sup>-1</sup>. While Temkin’s equilibrium isotherm model proved more appropriate to fit the experimental data and explain the adsorption process. Additionally, photocatalytic degradation experiments under solar irradiation of two organic pollutants (Basic Blue 41 and Sunset Yellow) were conducted using the Bi<sub>12</sub>CoO<sub>20</sub>/ZnO nanocomposite to confirm its dual functionality, and the results were satisfactory. These findings demonstrate the nanocomposites’ potential for both adsorption and photocatalysis, marking them as promising candidates for advanced, sustainable water purification technologies.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"319 ","pages":"Article 118345"},"PeriodicalIF":3.9,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143864277","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":"Ultra-thin dielectric-metal-dielectric as metal electrode alternative for bifacial perovskite and organic solar cells","authors":"M.P. Kumar , Bidisha Nath , Sandeep Satyanarayana , S.G. Siddanth , Praveen C. Ramamurthy","doi":"10.1016/j.mseb.2025.118350","DOIUrl":"10.1016/j.mseb.2025.118350","url":null,"abstract":"<div><div>Third-generation solar cells have garnered significant attention for their potential in building-integrated photovoltaics (BIPV), driving the need for advanced electrode materials that combine optical transparency with electrical conductivity. Here, the development and integration of an ultrathin dielectric/metal/dielectric (DMD) structure as a transparent electrode for bifacial perovskite and organic solar cells is reported. The optimised DMD configuration, consisting of a 2 nm bottom dielectric layer, a 6 nm metal core, and a 2 nm top dielectric layer, achieves an optimal balance of high electrical conductivity (∼8 Ω/□) and average transmittance in the visible wavelength range (∼69 %), enabling efficient charge extraction while supporting back-illumination. Comprehensive characterisation of the DMD electrode—including optical, morphological, and electrical analyses—demonstrates its superior stability and functionality under thermal and mechanical stresses. Device-level performance evaluations revealed bifaciality factors of 65 % and 42 % for perovskite and organic solar cells, respectively, with peak power conversion efficiencies of 13.02 % for perovskite and 7.61 % for organic configurations. External quantum efficiency for back and front illumination has opened up interesting insights into the carrier dynamics of the devices. Capacitance studies further elucidated the charge transport dynamics and device quality under bifacial operation. These findings position DMD electrodes as a promising alternative to conventional metal contacts, offering a scalable pathway to durable, high-performance bifacial solar cells for next-generation photovoltaic technologies and sustainable energy applications.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"319 ","pages":"Article 118350"},"PeriodicalIF":3.9,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143864278","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}
Siqi Zhang , Qi Wang , Bowen Yang , Mengxiang Guan , Wenbin Mo , Guirong Peng , Yongri Liang , Xiaojia Zhao
{"title":"Crosslinked P(VDF-HFP)/PEDOT:PSS-P(VDF-HFP) blend bilayer films with strong interfacial polarization for actuators","authors":"Siqi Zhang , Qi Wang , Bowen Yang , Mengxiang Guan , Wenbin Mo , Guirong Peng , Yongri Liang , Xiaojia Zhao","doi":"10.1016/j.mseb.2025.118347","DOIUrl":"10.1016/j.mseb.2025.118347","url":null,"abstract":"<div><div>Electroactive polymer materials are widely applied in wearable electronic devices and artificial muscles because of their spontaneous polarization under the electric field. PVDF and its copolymers are the most common ferroelectric polymers, but it is difficult to produce large deformation under low electric field due to its poor flexibility and relatively low permittivity. In this paper, P(VDF-HFP) was reacted with polyether amine to prepare ferroelectric elastomer with low crosslinking density. As a plasticizer and crosslinker, polyether amine significantly reduced the Young’s modulus and the crystallinity of the P(VDF-HFP) films. The bending displacement of the films could reach 1.78 mm under the voltage of 2000 V, which was 16 times that of the P(VDF-HFP) film. In addition, due to the significant diversity in permittivity between the two layers of the films, there was a significant interface polarization in the bilayer films. The PEDOT:PSS/P(VDF-HFP) films further improved the bending electromechanical properties of the crosslinked membrane, and bending displacement of the bilayer films enormously increased to 8.095 mm under the voltage of 2000 V.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"319 ","pages":"Article 118347"},"PeriodicalIF":3.9,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143860407","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}
Ram Mor , Shashikant B. Bagade , Shyamsunder Pancholi , Gayatri Patil , Abhishek Talokar , Yash Suryawanshi , Divya Nasare , Shitalkumar Zambad , Dipak D. Patil , Shailendra S. Gurav , Subhash V. Deshmane
{"title":"Recent Developments in 3D Printing Assisted Surgical Dentistry","authors":"Ram Mor , Shashikant B. Bagade , Shyamsunder Pancholi , Gayatri Patil , Abhishek Talokar , Yash Suryawanshi , Divya Nasare , Shitalkumar Zambad , Dipak D. Patil , Shailendra S. Gurav , Subhash V. Deshmane","doi":"10.1016/j.mseb.2025.118299","DOIUrl":"10.1016/j.mseb.2025.118299","url":null,"abstract":"<div><div>The integration of 3D printing technology in surgical dentistry has revolutionized the field, offering innovative solutions for personalized patient care and enhanced treatment outcomes. This review comprehensively examines the advancements in 3D printing applications, emphasizing its role in dental implantology, prosthodontics, and maxillofacial surgery. By exploring various printing techniques, materials, and clinical applications, this article highlights the transformative impact of 3D printing on dental practices. The discussion includes critical insights into regulatory challenges, cost-effectiveness, and the future directions of this technology. Through specific case studies, we illustrate the practical benefits of 3D printing in improving surgical precision and patient satisfaction.</div><div>Ultimately, this review aims to provide a deeper understanding of how 3D printing is shaping the future of surgical dentistry.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"319 ","pages":"Article 118299"},"PeriodicalIF":3.9,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143860408","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}
Shouxin Zhang , Xiaodong Li , Xinhui Huang , Małgorzata Szlachta , Hongli Bao , Junhua Xu
{"title":"Highly selective uranium separation using sulfonic acid‑functionalized hierarchically porous zirconium phosphate: Modelling and mechanism study","authors":"Shouxin Zhang , Xiaodong Li , Xinhui Huang , Małgorzata Szlachta , Hongli Bao , Junhua Xu","doi":"10.1016/j.mseb.2025.118342","DOIUrl":"10.1016/j.mseb.2025.118342","url":null,"abstract":"<div><div>The growing challenges of nuclear pollution necessitate the development of advanced sorption materials with high efficiency and improved selectivity. In this work, a hierarchical porous zirconium phosphate sorbent (H-ZrP) was synthesized via a facile self-assembly strategy, and its sulfonic acid-functionalized derivative (H-ZrP-SO<sub>3</sub>H) was developed for selective U(VI) removal. Comprehensive characterization demonstrates that H-ZrP possesses a unique hierarchical pore architecture, high specific surface area, and excellent thermal stability. Batch experiments reveal that both materials exhibit exceptional U(VI) sorption capacities: 372.4 mg g<sup>−1</sup> for H-ZrP and 290.5 mg g<sup>−1</sup> for H-ZrP-SO<sub>3</sub>H. Kinetic and isotherm analyses confirm chemisorption-dominated monolayer sorption, well-described by pseudo-second-order (R<sup>2</sup> > 0.99) and Langmuir models (R<sup>2</sup> > 0.98). H-ZrP-SO<sub>3</sub>H achieves higher selectivity in V/U systems despite reduced porosity due to optimized surface charge interactions. H-ZrP and H-ZrP-SO<sub>3</sub>H demonstrate outstanding reusability, retaining > 99 % removal efficiency after five sorption–desorption cycles with preserved structural integrity. Surface complexation modelling reveals that the sorption process is dominated by a multi-stage sorption mechanism: electrostatic attraction and surface complexation via oxygenated groups. In summary, this work presents highly efficient functionalized phosphate-based sorbents to regulate interfacial charge dynamics for enhanced U(VI) sorption.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"319 ","pages":"Article 118342"},"PeriodicalIF":3.9,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143860405","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":"Study of structural, optical, magnetic, and electrical properties of ZnFe2O4/GO nanocomposites","authors":"Pranav P. Naik, D. Sugania, Snehal Hasolkar","doi":"10.1016/j.mseb.2025.118338","DOIUrl":"10.1016/j.mseb.2025.118338","url":null,"abstract":"<div><div>The work presented focuses on the dependence of structural, optical, magnetic, and electrical properties of ZnFe<sub>2</sub>O<sub>4</sub>/Graphene Oxide (GO)nanocomposites on GO concentration. The pure ZnFe<sub>2</sub>O<sub>4</sub> nanoparticles and graphene oxide were synthesized using the hydrothermal method and modified Hummer’s method respectively. The ZnFe<sub>2</sub>O<sub>4</sub> /GO nanocomposites with GO percentages of 1.6 %, 2.5 %, and 3.6 % were prepared by adding 50 mg, 75 mg, and 100 mg of graphene oxide to zinc ferrite hydrothermal precursor. The structural investigations were done using X-ray diffraction (XRD), and Raman spectroscopy. The morphology of ZnFe<sub>2</sub>O<sub>4</sub> nano-powders and ZnFe<sub>2</sub>O<sub>4</sub> /GO nanocomposites were investigated using a scanning electron microscope. The energy band gap values of pure zinc ferrite and the nanocomposites were determined using UV–Vis spectroscopy. The magnetic and electrical property dependence on GO concentration was also investigated. Notably, observed alterations in electrical properties with increasing graphene oxide content, indicated that these nanocomposites may be used in electromagnetic interference shielding or sensor devices.</div></div>","PeriodicalId":18233,"journal":{"name":"Materials Science and Engineering: B","volume":"319 ","pages":"Article 118338"},"PeriodicalIF":3.9,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143860406","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}