نتایج جستجو برای: znfe2o4

تعداد نتایج: 323  

2012
Aidong Tang Yuehua Deng Jiao Jin Huaming Yang

A novel nanocomposite ZnFe(2)O(4)-TiO(2)/MCM-41 (ZTM) was synthesized by a sol-gel method and characterized through X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), N(2) adsorption-desorption, Raman spectroscopy, and ultraviolet visible (UV-vis) spectrophotometry. The results confirmed the incorporation of ZnFe(2)O(4)-TiO(2) nanoparticles inside the pores of th...

Journal: :Materials Research-ibero-american Journal of Materials 2021

Zinc ferrite (ZnFe2O4) nanoparticles have attracted the attention of researchers because their unique chemical properties and particle-size-dependent magnetic properties. High-surface-area spinel ferrites numerous technical applications in areas such as high-density information storage, ferrofluids, catalysis. The coprecipitation technique is preferred method for preparing nanoscale ZnFe2O4 it ...

Journal: :Coatings 2022

ZnFe2O4 microspheres were prepared by solvothermal method, and a novel ZnFe2O4@TiO2 core-shell composite photocatalyst was ultrasonic (denoted as ZT-x) mechanical stirring ZTM-1.2). The morphology, structure, magnetic, optoelectronic properties of the catalyst investigated comprehensively, degradation performance explored through photocatalytic Rhodamine B (RhB) under UV light. concentration Rh...

Journal: :Catalysts 2023

In this study, ZnFe2O4 and ZnO-ZnFe2O4 catalysts were prepared using the glycine–nitrate process (GNP). The catalyst powders characterized a scanning electron microscope, transmission XRD diffraction studies, selected area pattern studies. addition, specific surface was measured Brunauer–Emmett–Teller analysis. hydrogen reduction in different temperature ranges analyzed H2 temperature-programme...

2008
M. Romero J. Ma. Rincón A. Acosta Eduardo Torroja Camilo José Cela

The effect of iron oxide content on the crystallisation of a diopside glass–ceramic glaze was investigated using a glass–ceramic frit in the K2O–ZnO–MgO–CaO–Al2O3–SiO2 system and a granite waste glass. Measurements by X-ray diffraction (XRD) combined with scanning electron microscopy (SEM) and EDX microanalysis showed that the distribution of Fe ions among different crystalline phases such as f...

This study was conducted to examine the synthesis of ZnFe2O4 nanoparticles, using the hydroethanolic extract of Citrus aurantium flowers, through the application of FeCl2.4H2O, FeCl3.6H2O, and Zinc Acetate. The present piece of work is regarded important especially when ascertaining the potential of a widely distributed underused mangrove associated plant, C. aurantium, as used in the folk medi...

Journal: Journal of Nanoanalysis 2018

In this work, the structural and elastic moduli properties of ZnFe2O4, Zn0.5Cu0.5Fe2O4, and Ni0.3Cu0.2Zn0.5Fe2O4 ferrites prepared by the citrate method have been investigated. The structuralcharacterization of the samples is evidence for a cubic structure with Fd-3m space group. TheHalder-Wagner analysis was used to study crystallite sizes and lattice strain and also stressand energy density. ...

Journal: :Materials Science and Applied Chemistry 2017

Journal: :Journal of the Ceramic Society of Japan 2005

2017
Xuefeng She Zhuo Zhang

In this study, ZnFe2O4 (ZFO) nanotapers are fabricated on the ZnO nanorods (NRs) by recycling rare-earth oxide (REO) slag as the iron source, which thereby exhibits dramatically enhanced photoelectrochemical (PEC) efficiency. Our studies demonstrate that the electron-hole separation and charge migration can be facilitated by the cascade band alignment of ZFO and ZnO and the branched nanotaper s...

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