Abstract
The mixed-ligand phthalocyanine lanthanide complexes [Ln(pc)X2] [pc = phthalocyanine radical anion; Ln = Sm, Eu, Gd or Lu; X = 1,1,1,2,2,3,3-heptafluoro-7,7-dimethyloctane-4,6-dionate (fod), 1,1,1-trifluoro-4-phenylbutane-2,4-dionate (btfa) or 3-heptafluorobutyryl-D-camphorate (hfbc)] have been synthesized and characterized by electronic, ESR and plasma desorption mass spectroscopy as well as elemental analysis. Bands in the electronic spectra at 820, 716, 500, 425 and 330 nm typical for phthalocyanine radical anions have been observed for the red initial [Ln(pc)X2] complexes. The ESR spectra are also consistent with the radical nature of the phthalocyanine ligand in these complexes. The reversible chemical reduction of [Ln(pc)X2] complexes has been studied.
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