Synthesis of monodisperse polystyrene (PS) beads and assembly of colloidal crystal. PS beads with diameter of 260, 277, 583 and 640 nm were prepared using an emulsifier-free emulsion polymerization technique.

• 应用无乳化剂乳液合成方法，合成了粒径为260、277、583和640nm的单分散聚苯乙烯(PS)胶球，SEM观察表明，胶球粒径分布窄，单分散性相当好。