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Photoredox Reactions of Lead(IV) and -(II) Hydroxo Complexes

URN to cite this document:
urn:nbn:de:bvb:355-epub-135230
Becht, A. ; Vogler, Arnd
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Date of publication of this fulltext: 17 Mar 2010 06:23


Abstract

Ligand-to-metal charge-transfer excitation of Pb(OH)62- in 0.1 M NaOH leads to the formation of Pb(0H)3- with φ = 0.07 at λirr = 254 nm. Hydrogen peroxide was detected as an oxidation product. Upon sp excitation, Pb(OH)3- in 0.1 M NaOH shows a yellow emission at λmax = 570 nm with φ = 1.5 X 10-3 at λirr = 254 nm. In the presence of oxygen, this emission is partially quenched (φ = 1.2 X 10-3) and ...

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