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Photoluminescence and photochemistry of Pt(II)(PPh3)2(C6O6) induced by rhodizonate IL excitation

Vogler, Arnd


The complex Pt(II)(PPh3)(2)(C6O6) was prepared by the reaction of Ag2C6O6 with cis-Pt(PPh3)(2)Cl-2 in acetonitrile. Pt(PPh3)(2)(C6O6) is characterized by a lowest-energy IL (rhodizonate) excited state. The complex shows an IL fluorescence, but is also photoactive. The photolysis leads to the conversion of rhodizonate to croconate in the coordinated state: Pt(II)(PPh3)(2)(C6O6) -> Pt(II)(PPh3)(2)(C5O3) + CO. (C) 2016 Elsevier B.V. All rights reserved.

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