Silicon nanoparticles are synthesized by microemulsion route. Silicon tetrachloride (SiCl4) is used as a silicon
source. Meanwhile, hydrazine (N2H5OH), sodium hydroxide (NaOH), and polyethylene glycol (PEG) are used as
reduction agent, stabilizer, and capping agent, respectively. In this study, the effects of different solvents (methanol,
1-butanol, 2-propanol, ethanol, acetone, and toluene) on the dispersion and the stabilization of silicon nanoparticles
are studied intensively. The results in this study show that ethanol solvent has given smaller particle size, better size
distribution, stable suspension and well dispersion of silicon nanoparticles. The diameter of synthesized silicon
nanoparticles is in the range of 30-100 nm. Moreover, the absorption edge of silicon nanoparticles in ethanol is
observed at a shorter wavelength compared to the others solvent.
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