Artículo
Quantifying the structure and properties of nanomagnetic iron oxide particles for enhanced functionality through chemical synthesis
Autor/es | Abdullah, Johar Amin Ahmed
Díaz García, Álvaro Law, Jia Yan Romero García, Alberto Franco García, Victorino Guerrero Conejo, Antonio Francisco |
Departamento | Universidad de Sevilla. Departamento de Física de la Materia Condensada Universidad de Sevilla. Departamento de Ingeniería Química |
Fecha de publicación | 2023-08-03 |
Fecha de depósito | 2024-05-09 |
Publicado en |
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Resumen | This comprehensive study investigates the properties of chemical nanomagnetic iron oxide
particles (CNMIOPs) synthesized through a chemical method. The primary objective is to examine
how pH levels and washing solvents ... This comprehensive study investigates the properties of chemical nanomagnetic iron oxide particles (CNMIOPs) synthesized through a chemical method. The primary objective is to examine how pH levels and washing solvents affect the magnetism properties of these nanoparticles. Three different pH levels (1.2, 7.5, and 12.5) using NaOH and two washing solvents (ethanol and water) are employed. The characterization techniques include FTIR, SEM, TEM, XRD, ZSP, and VSM. Furthermore, the study incorporates two specific pH- and solvent-dependent CNMIOPs into PCL electrospun materials to analyze their performance in a targeted application. The results show that pH and the washing process significantly affect the CNMIOPs’ properties. Higher pH levels result in smaller particles with higher crystallinity and reduce crystalline anisotropy. SEM and TEM analysis confirm different morphologies, including cubic, spherical, and elongated shapes. Ethanol-washed CNMIOPs exhibit superior magnetic behavior, with the highest magnetization saturation at pH 12.5 (Ms = 58.3 emu/g). The stability of the CNMIOPs ranges from −14.7 to −23.8 mV, and higher pH levels exhibit promising antioxidant activity. Furthermore, the study explores the effects of pH and washing solvents on CNMIOP-infused nanofiber membranes, with better dispersion observed with ethanol washing. Overall, this research provides valuable insights into the properties and behavior of CNMIOPs under varying pH and washing conditions. |
Agencias financiadoras | Ministerio de Ciencia e Innovación (MICIN). España Agencia Estatal de Investigación. España European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) Universidad de Sevilla |
Identificador del proyecto | PID2021-124294OB-C21
CODE 810 |
Cita | Abdullah, J.A.A., Díaz García, Á., Law, J.Y., Romero García, A., Franco García, V. y Guerrero Conejo, A.F. (2023). Quantifying the structure and properties of nanomagnetic iron oxide particles for enhanced functionality through chemical synthesis. Nanomaterials, 13 (15), 2242. https://doi.org/10.3390/nano13152242. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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nanomaterials-13-02242.pdf | 5.592Mb | [PDF] | Ver/ | |