The cooperative effect of PVP and CTAB is found to be responsible for the morphological transformation process from PbWO_4 pagodas to the unique PbWO_4 quasi-octahedrons.

• 一系列对比试验说明，高分子PVP与表面活性剂CTAB之间的协同作用导致了钨酸铅晶体形貌由空白条件下的宝塔状转变为这种独特准八面体状。