Abstract
Sonochemical polymerization induced by applying ultrasound to benzene derivatives has been studied. Irradiating ultrasound to o-dichlorobenzene with solid particles such as zinc, its chloride, or nitrate produced various nanoparticles. In the case of using zinc nitrate, solid needle-like particles were obtained, when zinc metal and zinc nitrate were co-doped, hollow needle-like (tubular) particles were obtained. It is bound from the diffraction pattern that tubular particle has a polycrystalline structure, which could not be identified up to now. EDS analysis showed that the tubular particle contained Zinc element. When the particles were produced, Zinc element might be attracted inside or outside of the tubular particle. Various irradiation time and content of solid particles were tried, there might exist optimum parameter that increase a ratio of tubular particles respectively. In this research, the best parameter of the synthesis was; Irradiation time = 5 minutes Zinc: Zinc nitrate = 0.37wt%: 0.37wt% for o-dichlorobenzene.
