Dispersion stability of tin(IV) oxide nanoparticles in polar solvents and water aided by ultrasonication

Abstract

Dispersion stability of tin(IV) oxide nanoparticles dispersed in N-Methy-2-Pyrrolidone (NMP), dimethylformamide (DMF) and distilled water assisted by ultrasonication was investigated, aiming to identify a suitable liquid medium to effectively disperse tin(IV) oxide for many useful applications. The dispersions’ stability was characterized using field emission scanning electron microscopy, ultraviolet–visible spectroscopy and Zeta potential. The results show that distilled water has the highest stability with optimum sonication of 1 h. NMP shows better stability and consistency than DMF at different sonication timings. Good agreement between ultraviolet–visible absorbance and Zeta potentials shows that both distilled water and NMP are good mediums to produce highly stable tin(V) oxide dispersion.

Response Surface Methodology (RSM) Optimization for Dispersion Stability of SnO2 nanodispersions using Plackett Burman and Central Composite Design Method

“…In this study, we will prepare and examine the dispersion stability of SnO 2 nanoparticles in DI water and N-methyl-2-pyrrolidone (NMP) using RSM, aiming to optimize their performance. These two solvents have demonstrated the ability to afford a certain degree of dispersion stability to SnO 2 nanoparticles when subjected to sonication [29].…”