Host-guest composites containing ultrasonically arranged particles

Ultrasonic particle arrangement method was used for the fabrication of composite materials with layer or lattice structures. Guest particles were periodically arranged in a host solution by using ultrasonic standing waves, and then the solution was solidified to obtain a solid composite material. The sample cell was rotated during the solidification process to prevent particle sedimentation. Polymer, glass, or metal particles with various shapes were ultrasonically arranged in a polysiloxane resin, which was useful as a host material due to its simple solidification process and suitability for forming fine structures. Composite materials with periodic structures were successfully fabricated by this method.