Abstract
Two sonochemiluminescence mechanisms were established in peroxide solutions. The sonochemiluminescence intensity often exceeds the sonoluminescence intensity of solvents caused by inelastic collisions of cavitation bubbles in the gas phase. In solutions of peroxides, whose chemiluminescence decomposition proceeds via the monomolecular peroxide decomposition involving no radical intermediates with a high activation energy, in particular, for adamantylidenadamantane-1,2-dioxetane, the mechanism based on the total thermal ultrasonic action on the solution takes place. The initiation of chemiluminescence reactions of peroxide decomposition by radical products of solvent sonolysis is a source of sonochemiluminescence for peroxides decomposing via the radical mechanism, for example, for cumene peroxide.
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