Dy3+ ion-doped lithium nickel nanoparticles: Preparation and investigation of nanomagnetic ferrite for antimicrobial applications

IF 2.6 3区 化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR Polyhedron Pub Date : 2025-03-01 Epub Date: 2025-01-10 DOI:10.1016/j.poly.2025.117397
Yogesh Shankar More, Arati Chandragupta Mehere, Nilesh U. Chaudhari, Satish V. Gaikwad, Mansi S. Rathod, Vinod N. Dhage, P.R. Dusane, Sopan M. Rathod
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Abstract

This study investigates the impact of Dy3+ doping in Lithium-Nickel ferrite. Nanoparticles of Dy3+ doped Lithium-Nickel ferrite (Li1.8Ni0.1DyyFe2-yO4) with varying concentrations (y = 0.025, 0.05, 0.075, 0.1, 0.125) have been successfully synthesized using the Sol-Gel auto-combustion technique. Li1.8Ni0.1DyyFe2-yO4 ferrite crystallizes in a spinel cubic structure, although the presence of secondary phases is observed. Various characterization tools, including X-ray diffraction for phase investigation, Vibrating sample magnetometry for magnetic properties, Fourier Transform Infrared Spectroscopy for structural analysis, and Ultraviolet–visible spectroscopy for absorption bands, have been employed in this study. The analysis of X-ray diffraction data reveals that the crystallite size falls within the range of 32.79–11.13 nm. Notably the crystallite size determined using both the Debye-Scherrer formula and the Williamson and Hall plot is in close agreement. The Fourier Transform Infrared Spectroscopy pattern of the synthesized ferrite elucidates the asymmetric stretching mode of the spinel transition in Li1.8Ni0.1DyyFe2-yO4. Additionally, the saturation magnetization for Li1.8Ni0.1DyyFe2-yO4 ranges from 13.7778 to 25.5333 emu/gm. The UV–visible spectra analysis reveals decreased optical band gap energy of Lithium-Nickel ferrites after Dy3+ doping. Subsequently, the synthesized nanoparticles demonstrate promising antibacterial and antifungal activity, yielding positive results in the conducted tests.

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Dy3+离子掺杂纳米锂镍:抗菌应用纳米磁性铁氧体的制备与研究
本文研究了Dy3+掺杂对锂镍铁氧体性能的影响。采用溶胶-凝胶自燃烧技术成功合成了不同浓度(y = 0.025, 0.05, 0.075, 0.1, 0.125)的Dy3+掺杂锂-镍铁氧体纳米粒子(Li1.8Ni0.1DyyFe2-yO4)。Li1.8Ni0.1DyyFe2-yO4铁素体结晶为尖晶石立方结构,但存在二次相。各种表征工具,包括用于相位研究的x射线衍射,用于磁性质的振动样品磁强计,用于结构分析的傅里叶变换红外光谱,以及用于吸收波段的紫外可见光谱,都被用于本研究。x射线衍射数据分析表明,晶体尺寸在32.79 ~ 11.13 nm之间。值得注意的是,使用Debye-Scherrer公式和Williamson和Hall图确定的晶体尺寸非常一致。合成的铁素体的傅里叶变换红外光谱图揭示了Li1.8Ni0.1DyyFe2-yO4中尖晶石转变的不对称拉伸模式。此外,Li1.8Ni0.1DyyFe2-yO4的饱和磁化强度范围为13.7778 ~ 25.5333 emu/gm。紫外可见光谱分析表明,掺杂Dy3+后,锂-镍铁氧体的光学带隙能降低。随后,合成的纳米颗粒显示出有希望的抗菌和抗真菌活性,在进行的测试中产生了积极的结果。
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来源期刊
Polyhedron
Polyhedron 化学-晶体学
CiteScore
4.90
自引率
7.70%
发文量
515
审稿时长
2 months
期刊介绍: Polyhedron publishes original, fundamental, experimental and theoretical work of the highest quality in all the major areas of inorganic chemistry. This includes synthetic chemistry, coordination chemistry, organometallic chemistry, bioinorganic chemistry, and solid-state and materials chemistry. Papers should be significant pieces of work, and all new compounds must be appropriately characterized. The inclusion of single-crystal X-ray structural data is strongly encouraged, but papers reporting only the X-ray structure determination of a single compound will usually not be considered. Papers on solid-state or materials chemistry will be expected to have a significant molecular chemistry component (such as the synthesis and characterization of the molecular precursors and/or a systematic study of the use of different precursors or reaction conditions) or demonstrate a cutting-edge application (for example inorganic materials for energy applications). Papers dealing only with stability constants are not considered.
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