]*>","")" /> 甲烷在Rh/SiO2催化剂表面解离的红外光谱研究
催化学报

催化学报 ›› 2004, Vol. 25 ›› Issue (12): 928-930.

• 研究快讯 • 上一篇    下一篇

甲烷在Rh/SiO2催化剂表面解离的红外光谱研究

吴廷华1,严前古2,张奇能1,茆福林1,郑卓群1,陈飞1,翁维正2,万惠霖1,2   

  1. 1 浙江师范大学物理化学研究所, 浙江金华 321004;2 厦门大学化学系固体表面物理化学国家重点实验室, 福建厦门 361005
  • 收稿日期:2004-12-25 出版日期:2004-12-25 发布日期:1987-05-30

  • Received:2004-12-25 Online:2004-12-25 Published:1987-05-30

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794

被引次数

3

摘要： FT-IR spectroscopy is employed to investigate the methane dissociation and methane partial oxidation over the Rh/SiO2 catalyst. When CH4 is adsorbed onto the catalyst surface, it dissociates into adsorbed CHx (x=1～3) and atomic hydrogen on Rh surface. Atomic hydrogen can diffuse from Rh surface to SiO2 surface where a proton exchange reaction of H with the surface Si-OH occurs, or it reacts with the lattice oxygen of SiO2 to form new Si-OH.

关键词: 甲烷, 铑, 二氧化硅, 负载型催化剂, 解离, 红外光谱