Pd/Al_2O_3催化剂的合成和表征  

Synthesis and Characterization of Pd/Al_2O_3 Catalysts

作　　者：祁伟[1] 

机构地区：[1]德州学院化学系,山东德州253023

出　　处：《德州学院学报》2007年第6期49-51,共3页Journal of Dezhou University

摘　　要：利用浸渍法制备了Pd/Al2O3催化剂,采用X射线衍射(XRD)、透射电子显微镜(TEM)和X射线光电子能谱(XPS)研究了Pd在载体Al2O3中的分布状态和价态.结果表明纳米尺寸的Pd颗粒主要以单质形式高度分散在载体Al2O3上,部分呈氧化态.Pd/Al2O3 catalysts were prepared by dipping method. The distribution and state of Pd particles on Al2O3 were investigated by TEM and XPS. The results show that nano--scale Pd particles highly dispersed on the surface of the support in the form of simple substance and partly have a positive oxidation state.

关 键 词：负载型催化剂 PD/AL2O3 TEM XPS 

分 类 号：O643[理学—物理化学]