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Upon anthracene-sensitizing, triplet excitation dynamics of β-carotene (β-Car) were studied in n-hexane, in methanol, and in acetonitrile, respectively, by ns flash photolysis spectroscopy. In n-hexane, only the bleaching of the ground state absorption (GSB) and the excitation triplet (3Car*) absorption were observed, and there were no cationic species detected. In both methanol and acetonitrile,...
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