Sterically demanding pyridine-quinoline anchoring ligands as building blocks for copper(<scp>i</scp>)-based dye-sensitized solar cell (DSSC) complexes

A nanocrystalline TiO2 dye-sensitized solar cell device consisting of dye 2 and fabricated with commercially available materials reaches a conversion efficiency of η = 1.20%. Dye 2 is a low-cost and easily prepared copper(i) molecular sensitizer.