Effect of the pH in the luminescence of ruthenium tris-bipyridine derivatives

The effect of pH on the electronic absorption spectra and luminescence behavior of the [Ru(bpy) 3] 2+, [Ru(bpy) 2(mbpy)–NHCH 3] 2+ and [Ru(bpy) 2(mbpy)–acrd] 3+ complexes, where bpy = 2,2′-bipyridine, mbpy = 4-methyl-4′-carbonyl-2,2′-bipyridine and acrd = 9-aminoacridinyl, has been investigated with...

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Bibliographic Details
Published in:Journal of photochemistry and photobiology. A, Chemistry. Chemistry., 2005-04, Vol.171 (2), p.107-112
Main Authors: de Carvalho, Idalina Maria M., Diógenes, Izaura C.N., Moreira, Ícaro de S., Gehlen, Marcelo H.
Format: Article
Language:English
Subjects:
Amide
Luminescence
p Ka
Ru(II) complexes
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Summary:The effect of pH on the electronic absorption spectra and luminescence behavior of the [Ru(bpy) 3] 2+, [Ru(bpy) 2(mbpy)–NHCH 3] 2+ and [Ru(bpy) 2(mbpy)–acrd] 3+ complexes, where bpy = 2,2′-bipyridine, mbpy = 4-methyl-4′-carbonyl-2,2′-bipyridine and acrd = 9-aminoacridinyl, has been investigated with special attention in the amide connection. The pH-dependent photophysical properties were investigated by steady state and time-resolved luminescence spectroscopy.
ISSN:1010-6030
1873-2666
DOI:10.1016/j.jphotochem.2004.09.010