Gadolinium doped zinc ferrite nanoarchitecture reinforced with a carbonaceous matrix: a novel hybrid material for next-generation flexible capacitors

RSC Advances, Journal Year: 2023, Volume and Issue: 13(40), P. 28063 - 28075

Published: Jan. 1, 2023

Herein, nanostructured Gd-doped ZnFe2O4 (GZFO) has been synthesized via the sol-gel route and its CNT-reinforced nanohybrid was formed an advanced ultrasonication method. The as-synthesized, hybrid electroactive materials have supported on aluminum foil (AF) to design a flexible electrode for capacitor (HC) applications. Nanostructured material synthesis, Gd-doping, CNT reinforcement approaches adopted develop rationally designed with high surface area, boosted electrical conductivity, enhanced specific capacitance. Electrochemical impedance spectroscopy, galvanostatic charge/discharge, cyclic voltammetry processes used measure electrochemical performance of prepared ferrite material-based working electrodes in 3M KOH solution. A nanohybrid-based (GZFO/C@AF) shows superior rate capacitive aptitude (specific capacitance, performance, activity) than counterpart (ZFO@AF GZFO@AF). (GZFO/C@AF electrode) capacitance 887 F g-1 good retention 94.5% 7000 cycles (at 15 Ag-1). maximum energy density power values GZFO/C@AF are 40.025 Wh Kg-1 279.78 W Kg-1, respectively. Based findings experiments, promise as capacitors that provide wearable electronic devices.

Language: Английский

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Metal Oxides Nanomaterials and Nanocomposite-Based Electrochemical Sensors for Healthcare Applications

Biosensors, Journal Year: 2023, Volume and Issue: 13(5), P. 542 - 542

Published: May 12, 2023

Wide-ranging research efforts have been directed to prioritize scientific and technological inventions for healthcare monitoring. In recent years, the effective utilization of functional nanomaterials in various electroanalytical measurements realized a rapid, sensitive, selective detection monitoring wide range biomarkers body fluids. Owing good biocompatibility, high organic capturing ability, strong electrocatalytic activity, robustness, transition metal oxide-derived nanocomposites led enhancements sensing performances. The aim present review is describe key advancements oxide nanocomposites-based electrochemical sensors, along with current challenges prospects towards development highly durable reliable biomarkers. Moreover, preparation nanomaterials, electrode fabrication, mechanism, electrode-bio interface, performance oxides nanocomposite-based sensor platforms will be described.

Language: Английский

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A Review of Advanced Multifunctional Magnetic Nanostructures for Cancer Diagnosis and Therapy Integrated into an Artificial Intelligence Approach

Pharmaceutics, Journal Year: 2023, Volume and Issue: 15(3), P. 868 - 868

Published: March 7, 2023

The new era of nanomedicine offers significant opportunities for cancer diagnostics and treatment. Magnetic nanoplatforms could be highly effective tools diagnosis treatment in the future. Due to their tunable morphologies superior properties, multifunctional magnetic nanomaterials hybrid nanostructures can designed as specific carriers drugs, imaging agents, theranostics. Multifunctional are promising theranostic agents due ability diagnose combine therapies. This review provides a comprehensive overview development advanced combining optical providing photoresponsive platforms medical applications. Moreover, this discusses various innovative developments using nanostructures, including drug delivery, treatment, tumor-specific ligands that deliver chemotherapeutics or hormonal resonance imaging, tissue engineering. Additionally, artificial intelligence (AI) used optimize material properties based on predicted interactions with cell membranes, vasculature, biological fluid, immune system enhance effectiveness therapeutic agents. Furthermore, an AI approaches assess practical utility Finally, presents current knowledge perspectives systems models.

Language: Английский

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Hybrid Nanomaterials: A Brief Overview of Versatile Solutions for Sensor Technology in Healthcare and Environmental Applications

Biosensors, Journal Year: 2024, Volume and Issue: 14(2), P. 67 - 67

Published: Jan. 27, 2024

The integration of nanomaterials into sensor technologies not only poses challenges but also opens up promising prospects for future research. These include assessing the toxicity nanomaterials, scalability issues, and seamless these materials existing infrastructures. Future development opportunities lie in creating multifunctional nanocomposites environmentally friendly nanomaterials. Crucial to this process is collaboration between universities, industry, regulatory authorities establish standardization evolving field. Our perspective favours using screen-printed sensors that employ with high electrochemical conductivity. This approach offers cost-effective production methods allows customizable designs. Furthermore, incorporating hybrids based on carbon-based functionalized Mxene significantly enhances performance. conductivity are portable, rapid, well-suited on-site environmental monitoring, seamlessly aligning Internet Things (IoT) platforms developing intelligent systems. Simultaneously, advances technology actively working elevate sensitivity through integrating nanotechnology, miniaturization, innovative electrode comprehensive aims unlock full potential technologies, catering diverse applications ranging from healthcare monitoring. review summarise latest trends hybrid nanomaterial-based sensors, explicitly focusing their application detecting contaminants.

Language: Английский

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Synergistic potential in spinel ferrite MFe2O4 (M = Co, Ni) nanoparticles-mediated graphene oxide: Structural aspects, photocatalytic, and kinetic studies

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: Feb. 26, 2024

Abstract The existence of artificial dyes in water is a significant environmental concern, as it can lead to poor quality. Photodegradation becoming an increasingly popular method for treating contaminated with dyes. In this study, the photodegradation Reactive Red 66 and 120 dyes, well textile wastewater, was investigated under UV visible light irradiation. To enhance photoresponse MFe 2 O 4 (M = Co, Ni) nanoparticles, modifications were made by incorporating graphene oxide. nanoparticles /GO nanocomposite photocatalysts subjected several characterization techniques, including FT-IR, Raman spectroscopy, XRD, DRS, zeta potential, VSM, TGA, DSC, BET, SEM, EDAX analysis. Experiments conducted optimize key parameters involved process, pH, photocatalyst dosage, initial dye concentration, irradiation time. removal efficiency using CoFe found be 86.97 82.63%, respectively. Also, percentage these 95.57 90.9% 120, that NiFe removed 90.92% 84.7% dye. showed even higher efficiencies, degrading 97.96% 93.44% 120. After three days exposure irradiation, investigated.

Language: Английский

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Impact of Co and Cu co‐doping on the Structural, Electrical, Magnetic and Solar Light Driven Photo‐Catalytic Properties of NiFe₂O₄ Nano‐crystals for Crystal Violet Dye Removal

ChemistrySelect, Journal Year: 2024, Volume and Issue: 9(21)

Published: June 3, 2024

Abstract Herein, we have synthesised cobalt (Co) and copper (Cu) co‐doped Ni‐ferrite Ni 1‐x Co x Fe 2‐y Cu y O 4 nanocrystals (NCs) via the facile micro‐emulsion method. The materials were analysed for various physio‐chemical characterizations to investigate co‐doping (Co Cu) effects on magnetic, structural, electrical, photo‐catalytic properties. structural analysis Fourier Transform Infrared spectroscopy (FTIR) X‐rays diffraction (XRD) showed successful fabrication of with cubic spinel geometry having a single phase, crystallite size was observed in 15 24 nm range. electrical response measured using current‐voltage (I–V) good features, resistivity declined from 6.85×10 7 Ohm.cm un‐doped 0.04×10 materials, which accredited due synergistic metal cations Ni‐based ferrite structures. Magnetic investigation VSM increased saturation magnetization (Ms 31.32 50.75 emu/g) coercivity (218.76 406.82 Oe) because higher magnetic responses 2+ ions NCs. BET surface‐area porosity an surface area 52 104 m 2 /g co‐doping. Tauc's plot described decline band‐gap energies value (E gs ) (1.99 eV) (x=y=0.56) as compared (2.16 NiFe is more co‐dopant that possess energy levels, can stabilize charge carrier‘s species. Furthermore, photo‐degradation solar light removal crystal violet (CV) dye, almost 94.14 % by material; however, material, it 38.044 %. scavenger experiment shows (OH⋅) hydroxyl radicals (e − /h + species play prime role degradation CV dye. Recycling recoverability tests five cycles’ exhibited outstanding stability photocatalyst only 1.7 losses activity. Overall, our results NCs enhancement properties values , might potential use devices well solar‐driven photo‐catalyst remediation environmental pollution.

Language: Английский

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Wet Chemical Synthesis of Cubic Spinel Ferrites: A Review Addressing Phase Formation Behavior and Nanostructuring

Crystal Growth & Design, Journal Year: 2024, Volume and Issue: 24(3), P. 1504 - 1528

Published: Jan. 11, 2024

Spinel ferrites, an important class of complex oxides, are imperative worldwide for their well-known magnetic, electrical, optical, catalytic properties, which led tem to be useful in various applications. These can prepared through solid state, physical, and wet chemical methods. One difficulty associated with the preparation compositions spinel ferrite (e.g., AB2O4 where A B two different metal cations +2 +3 valence states, respectively) is fact that often individual oxides obtained as impurities desired composition. Mostly, ferrites crystallize into cubic phase, makes these isotropic difficult grow 1D structures like other anisotropic such hexagonal zinc oxide tetragonal titania. Existing reports have mostly overlooked aforementioned challenges synthesis ferrites. Viewing same line, present Review, we reviewed approaches made attempt correlate phase formation behavior, composition, morphology procedure. In addition, procedures mechanisms phase-pure also described. This Review offers comprehensive insight researchers keen on delving diverse applications

Language: Английский

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Nickel ferrite modified nickel foam with enriched active sites for the efficient electrochemical sensing of uric acid

Materials Chemistry and Physics, Journal Year: 2024, Volume and Issue: 315, P. 128996 - 128996

Published: Feb. 2, 2024

Language: Английский

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Magnetic Cobalt and Other Types of Ferrite Nanoparticles: Synthesis Aspects and Novel Strategies for Application in Wastewater Treatment (Review)

Applied Sciences, Journal Year: 2025, Volume and Issue: 15(2), P. 857 - 857

Published: Jan. 16, 2025

Magnetic ferrite nanoparticles have a broad application in wastewater treatment, and the interest applying these particles specifically waste treatment is growing. However, gap understanding how properties that are controllable through synthesis methods affect efficiency needs to be better explained. In this review, we assess analysis of most impactful publications highlight nanoparticles’ different their parameters connected efficiency. For long time, were seen as adsorbents suitable for physically removing pollutants, but recent studies show nanostructures could UV visible light-induced photocatalytic decomposition contaminants.

Language: Английский

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Tailoring spinel cobalt-oxide geometry for ultrahigh sensitive nonenzymatic electrocatalytic oxidation and sensing of glucose in batch injection analysis

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160611 - 160611

Published: Feb. 1, 2025

Language: Английский

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