ABSTRACT

Metal nanoparticles have a great potential for their application to industry and technology. To develop novel properties of metal nanoparticles, the size, structure and shape of metal nanoparticles must be controlled precisely. Although there are various methods to synthesize metal nanoparticles, a sonochemical method offers unique synthetic routes such as radical reactions and thermal reactions, which originate from hot cavitation bubbles during ultrasonic irradiation, where physical effects such as shock wave and microjet flow are simultaneously induced. In this chapter, the sonochemical reduction method to synthesize the size, structure, and shape-controlled metal nanoparticles is described.