Primary photophysical and photochemical processes for hexachloroosmate(iv) in aqueous solution
Photochemical & Photobiological Sciences Pub Date: 2016-12-13 DOI: 10.1039/C6PP00382F
Abstract
The photoaquation of the OsIVCl62? complex was studied by means of stationary photolysis, nanosecond laser flash photolysis and ultrafast kinetic spectroscopy. The OsIVCl5(OH)2? complex was found to be the only reaction product. The quantum yield of photoaquation is rather low and wavelength-dependent. No impact of redox processes on photoaquation was revealed. The total characteristic lifetime of the process is about 80 ps. Three intermediates were recorded in the femto- and picosecond time domains and assigned to different Os(IV) species. The nature of intermediates and possible mechanisms of photoaquation are discussed.
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Journal Name：Photochemical & Photobiological Sciences
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CAS no.: 89640-58-4
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