J. Coates et al., ENHANCEMENT OF LUMINESCENCE OF EUROPIUM(III) IONS IN WATER BY USE OF SYNERGISTIC CHELATION .1. 1 1 AND 2/1 COMPLEXES/, Perkin transactions. 2, (7), 1996, pp. 1275-1282
Studies on the formation of complexes of europium(III) ions in water w
ith various sensitizers are reported. The sensitizers utilized are der
ivatives of 1,10-phenanthroline-2,9-dicarboxylic acid and 2,2': 6',2 '
'-terpyridine-6,6 ''-dicarboxylic acid. Both 1:1 and 2:1 complexes for
m, the latter being particularly efficient luminescence enhancers.