Abstract
The synthesis of Li1.1Co0.3Fe2.1O4 ferrite nanoparticles has been synthesized by the citrate auto-combustion method. The distribution of cations on A-site and B-site is studied by X-ray diffraction and High-Resolution Transmission Electron Microscopy. The Williamson–Hall analysis and Debye–Scherrer method are used to study the individual contributions of crystallite sizes on the peak broadening of Li1.1Co0.3Fe2.1O4. The estimated crystallite size of the investigated sample obtained from the Williamson–Hall plot and the Scherrer method agrees well with each other. HRTEM analysis confirms the homogeneous formation of the cubic phase. The calculated height and spacing parameters related to roughness are essential to achieve the efficiency of Li1.1Co0.3Fe2.1O4 to be used in microbatteries, smart windows, smart mirrors, gas sensors, and other applications. According to the obtained data, the Li1.1Co0.3Fe2.1O4 has a spiky surface with kurtosis of the line (Rku) equals 5.5. Additionally, the magnetic hysteresis loop has been clarified using the Vibrating Sample Magnetometer. The double peak characteristic in the Switching field distribution reveals the competition between exchange coupling and strong dipolar interactions. Li1.1Co0.3Fe2.1O4 has employed as a sorbent material for the removal of lead (II) ions from wastewater. The main advantages of the synthesized sample are ease of separation, high adsorption, low cost as well as recycled with notable efficiency. Two models of adsorption isotherms (Freundlich and Langmuir) are utilized to recognize the adsorption mechanism.
Highlights
A great properties of spinel ferrites are inexpensive, abundant in nature, environment-friendly and more stable
Lithium ferrite in the spinel structure is a low-cost material that, is generally valuable for a number of unique electromagnetic properties of that enlarges the scope their application in various devices of modern microwave technology[1,2].They can be used as cathode materials in lithium-ion batteries [3]. and as sensing units in gas sensors [4]
The X-ray Diffraction (XRD) data is compared with JCPDS card 04022-8066
Summary
A great properties of spinel ferrites are inexpensive, abundant in nature, environment-friendly and more stable. The adsorption efficiency ( ηη)and the equilibrium adsorption capacity (q) of metal ions were calculated according to the following equations [18] The prepared sample is of high quality with good crystallinity and fine crystallite size as confirmed from the calculated parameters in the Table.
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