Luminescence quenching of the excited tris-bipyridyl ruthenium(II) ion by copper(II)-cyclodextrin complexes
β Scribed by E. Harris; N. R. Russell
- Publisher
- Springer Netherlands
- Year
- 1993
- Tongue
- English
- Weight
- 429 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0923-0750
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The radical ywld of cvatcd tris( 2.3'.bipyrrdinc)ruthcnrum(li) qucnchcd by scvcral ammcs wasdctcrmincd WIUI P dye laser photolysrs method The yrcld is umly and mdcpcndcnr of the free cncrgy chnngc or the radial rormarron process
## Abstract Excitation of Ru(bipy)~3~^2+^ ion by visible radiation of wavelength Ξ» = 436 nm in aqueous medium in presence of inorganic peroxides, peroxomonosulfate (PMS), peroxodisulfate (PDS), and peroxodiphosphate (PDP) was found to generate Ru(bipy)~3~^3+^. The kinetics of this photochemical oxi
C Chemical shifts are reported for the ruthenium(II) tris complexes of thirteen 2,Z-bipyridyls and three 1,lO-phenanthrolines and for the osmium(]") bris complexes of five 2,2'-bpyridyls. Chelation induced shifts -&3 are discussed in terms of models for n back-bonding. -C NMR is shown to be a conven