The low-viscosity ILs were rationally designed and synthesized.In addition, serial ILs based on imidazolium with long alkyl chain were synthesized.

• 通过阴离子交换的方法，得到了以氯离子、溴离子、碘离子、六氟磷酸根和四氟硼酸根等为阴离子的一系列离子液体。