Research Article

Synthesis and Study of the Physical and Photovoltaic Properties of Novel Heteroleptic Ruthenium(II) Complexes Ligated with Highly π-Conjugated Bipyridine Ancillary and Phenanthroline Anchoring Ligand for Dye-Sensitized Solar Cells

Table 1

Absorption maxima (λmax) and molar absorption coefficients (ε) of JM1JM6 and N719 (standard solution in DMSO; 1 × 10−4 M).

ComplexAbsorption maxima (λmax (nm)) (ε (104 M−1 cm−1))
π-ππ-π or MLCTMLCT

H3a292 (1.63)320 (1.83) 437 (1.54)550 (1.33)
JM1272 (2.91)370 (2.09) 449 (1.09)539 (0.99)
JM2293 (2.78)361 (1.95)549 (1.00)
JM3276 (2.09)350 (2.11) 448 (0.78)550 (0.55)
JM4299 (2.88)341 (2.88) 466 (0.86)555 (0.76)
JM5270 (1.98)363 (1.59) 439 (0.70)536 (0.55)
JM6269 (1.86) 294 (2.07)353 (1.59)551 (0.71)
N719311 (3.29)383 (0.76)533 (0.84)

aRef [18].