PHOTOCHEMICAL STUDY OF DISSOCIATION-REDUCTION REACTION OF MANGANESE (Ⅲ) ACETYL-ACETONATE SENSITIZED

doi:10.7517/j.issn.1674-0475.1988.04.10

Abstract

Abstract: The UV spectra of Mn(AA)₂ were studied in the presence of thionine under irradiation of 560 nm light. Mn(AA)₂ is reduced and through an intermediate, Mn(AA)₂, Mn(Ac)₂ was obtained as a final product. Oxygen effects on the reaction were also investigated. The sensitized dissociation-reduction process of Mn(AA)₂ is identical with its direct photolysis reported in literature. The mechanism of the reaction is discussed and a new evidence of 1100 nm band as a charge transfer absorption band of Mn(AA)₂ is observed.

Key words: trisacetylacetonate manganese (Ⅲ), photosensitization, metal complex

SHEN YU-QUAN, CAO YI, YU CHANG-JUN, LIU HUI-PING. PHOTOCHEMICAL STUDY OF DISSOCIATION-REDUCTION REACTION OF MANGANESE (Ⅲ) ACETYL-ACETONATE SENSITIZED[J]. Imaging Science and Photochemistry, 1988, 6(4): 10-16.

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PHOTOCHEMICAL STUDY OF DISSOCIATION-REDUCTION REACTION OF MANGANESE (Ⅲ) ACETYL-ACETONATE SENSITIZED

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