Due to coordinative ability between nickel ion and PAMAM, and the confinement of PAMAM nano-matrix and SBA-15 mesopores, we encapsulated nickel-nanoparticles in the pores.

• 通过金属与PAMAM配位能力，和PAMAM的纳米空腔和SBA-15本身的介孔孔道的限域作用，将镍金属纳米粒子组装到介孔材料的孔道中。