Spectrophotometric Determination of Formation Constants of Iron(III) Complexes with Several Ligands

Dye-sensitized solar cells transform light into electricity. One commonly used dye is a ruthenium complex. However, the use of has been shown to have several disadvantages. In this study, via singular spectrum analysis using HypSpec software, we determined formation constants and calculated individual electronic spectra species iron(III) with ligands (1,2-diaminoethane, 1,3-diaminopropane, 1,4-diaminobutane, 2,2′-bipyridyl, 5,5-dimethyl-2,2′-bipyridyl, 4,4′-di-tert-butyl-2,2′-bipyridyl, 1,10-phenanthroline, 3,4,7,8-tetramethyl-1,10-phenanthroline) in methanol solution. We present spectral comparison complexes reported here complex: tris-(2,2′-bipyridyl)ruthenium(II).