Synthesis and characterisation of nanosized spinel particles of nickel-doped iron chromite

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Philosophical Magazine Letters Pub Date : 2021-09-22 DOI:10.1080/09500839.2021.1979269

M. Rani, K. Batool, A. Younus, A. Shah, A. Mehmood, R. Shafique, Shamim Khan, G. Murtaza, R. Neffati

引用次数: 6

Abstract

ABSTRACT Nanoparticles of nickel-doped iron chromite (Fe1-xNixCr2O4) with composition x = 0.2-0.8 have been prepared by the sol–gel method using citric acid as a complexing agent. X-ray diffraction (XRD) results show that the synthesised doped nanoparticles are crystalline. Temperature and concentrations are key variables that influence nanopowder properties. To obtain fine powders, the doped samples were sintered at 750°C for 4 h. Doping was confirmed by XRD patterns. Raman spectra confirmed the existence of both parent and doped compounds. The band gap for the undoped sample is about 4.01 eV which, on doping, decreases to 3.7 eV as determined from photoluminescence spectra. The results suggest that synthesised nanoparticles of Fe1-xNixCr2O4 can be used for versatile future applications such as energy storage and photocatalytic activity.

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镍掺杂铁铬铁矿纳米尖晶石颗粒的合成与表征

镍掺杂铬酸铁（Fe1-xNixCr2O4）的纳米粒子 = 以柠檬酸为络合剂，采用溶胶-凝胶法制备了0.2-0.8。X射线衍射（XRD）结果表明，合成的掺杂纳米颗粒是结晶的。温度和浓度是影响纳米粉末性能的关键变量。为了获得精细的粉末，掺杂的样品在750°C下烧结4 h.通过XRD图谱证实掺杂。拉曼光谱证实了母体和掺杂化合物的存在。未掺杂样品的带隙约为4.01 eV，掺杂后降至3.7 根据光致发光光谱测定的eV。结果表明，合成的Fe1-xNixCr2O4纳米颗粒可用于多用途的未来应用，如储能和光催化活性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Philosophical Magazine Letters 物理-物理：凝聚态物理

CiteScore

2.60

自引率

0.00%

发文量

审稿时长

2.7 months

期刊介绍： Philosophical Magazine Letters is the rapid communications part of the highly respected Philosophical Magazine, which was first published in 1798. Its Editors consider for publication short and timely contributions in the field of condensed matter describing original results, theories and concepts relating to the structure and properties of crystalline materials, ceramics, polymers, glasses, amorphous films, composites and soft matter. Articles emphasizing experimental, theoretical and modelling studies on solids, especially those that interpret behaviour on a microscopic, atomic or electronic scale, are particularly appropriate. Manuscripts are considered on the strict condition that they have been submitted only to Philosophical Magazine Letters , that they have not been published already, and that they are not under consideration for publication elsewhere.