具有大比表面积的贵金属纳米颗粒由于其在许多化学反应中表现出优异的催化性能而受到广泛关注.通过合适的表面修饰,将功能纳米颗粒负载在载体上是一种抑制其在化学反应过程中出现团聚的有效方法.二氧化铈是一种典型的稀土氧化物材料,因其具有独特的f层电子结构而表现出许多新奇的物理、化学特性,在紫外吸收剂、抛光粉、荧光材料、催化剂以及 Precious metal nanoparticles with a large specific surface area have drawn much attention due to their excellent catalytic performance in many chemical reactions.With proper surface modification, loading the functional nanoparticles on a support is an effective way to inhibit the chemical reaction during the chemical reaction An effective method of agglomeration.Ceria is a typical rare earth oxide material, because of its unique f-layer electronic structure and showed many novel physical and chemical properties, in the UV absorbers, polishing powders, fluorescent materials, Catalyst as well