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The oxidation of Eu(FOD) 3 and Eu(TTA) 3 (FOD is heptafluorodimethyloctanedionate and TTA is thenoyltrifluoroacetonate) by dimethyldioxirane (DMD) is accompanied by chemiluminescence; the excitation of europium(III) occurs due to an energy released upon oxidation of the ligands.
Decomposition of dimethyldioxirane in the presence of tris(bipyridine)ruthenium(II) complex (Ru II ) is accompanied by chemiluminescence (CL) in the infrared spectrum region (1270 nm) due to the formation of singlet oxygen; reaction between Ru III and superoxide ion, which is formed in this process via a sequence of electron-transfer reactions, is assumed to be a CL step.
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