OPTIMIZATION OF SYNTHESIS CONDITIONS FOR CoxFe3-xO4 NANOPARTICLES USING PLACKETT-BURMAN DESIGN AND RESPONSE SURFACE METHODOLOGY (RSM)

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Keywords:

Nanoparticle CoxFe3-xO4; Hydrothemal; Plackett-Burman matrix; Response surface methodology (RSM); Saturation magnetization (Ms).

Abstract

 In this paper, we optimize the parameters for hydrothermal CoxFe3-xO4 nanoparticles synthesis using the Plackett-Burman experimental design and the Box-Behnken design with response surface methodology (RSM). Our results showed that the temperature (oC), the NaOH concentration (M) and the Co2+/Fe3+ ion molar ratio were identified as significant factors. After screening, these factors were subsequently optimized using the Box-Behnken design with response surface methodology. These optimal levels were found out temperature (570 oC), NaOH concentration (3M) and ion molar ratio Co2+/Fe3+ (1:2) in which the highest saturation obtained 63.67 emu/g at room temperature. This model was tested experimentally, the saturation magnetization (Ms) was 62.14 emu/g and 60.03 emu/g corresponding with the low magnetic force (Hc) of 11 Oe and 32 Oe. The magnetic properties of the samples were characterized by the vibrating sample magnetometer (VSM). Our results also indicated that the Plackett-Burman experimental design and the Box-Behnken design with response surface methodology are a suitable tool in order to optimize the parameters for hydrothermal CoxFe3-xO4 nanoparticles synthesis.

Published

10-04-2020

How to Cite

Tâm. “OPTIMIZATION OF SYNTHESIS CONDITIONS FOR CoxFe3-XO4 NANOPARTICLES USING PLACKETT-BURMAN DESIGN AND RESPONSE SURFACE METHODOLOGY (RSM)”. Journal of Military Science and Technology, no. 66, Apr. 2020, pp. 154-61, https://en.jmst.info/index.php/jmst/article/view/235.

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Section

Research Articles