Yd. Liu et al., IN-SITU RAMAN-SPECTROSCOPIC STUDY OF OXYGEN ADSPECIES ON A TH-LA-O-X CATALYST FOR METHANE OXIDATIVE COUPLING REACTION, Journal of the Chemical Society, Chemical Communications, (16), 1994, pp. 1871-1872
The superoxide adspecies O-2(-) is identified by in situ Raman spectro
scopy on a functioning Th-La-O-x catalyst for methane oxidative coupli
ng reaction at 680-860 degrees C.