Citation: Rui Qiang LONG, Hui Lin WAN. In Situ Confocal Microprobe Raman Spectroscopy Study of the Oxygen Species over Cerium Oxide[J]. Chinese Chemical Letters, ;1996, 7(10): 965-966. shu

In Situ Confocal Microprobe Raman Spectroscopy Study of the Oxygen Species over Cerium Oxide

Department of Chemistry and State Key Laboratory for Physical Chemistry of the Solid Surface Xiamen University Xiamen 361005

Received Date: 11 June 1996

In situ confocal microprobe Raman spectroscopy results showed that O₂^2-, O₂^- and O₂^δ- (0 <δ< 1) adspecies formed on the O₂ pretreated cerium oxide sample when the temperature was below 423 K.At 1023 K, only CeO₂ F_2g peak (at 449 cm^-1) and O₂^- species (at 1159 cm^-1) were observed on the surface.The reactivity of methane with the oxygen species was lower than that of ethane with the oxygen species.
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