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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: J Photochem Photobiol A Chem. 2015 Oct 1;311:1–15. doi: 10.1016/j.jphotochem.2015.05.008

Fig. 1.

Fig. 1

Left: a copper(I)/bipy complex [5] used as an early catalyst in atom transfer radical polymerization (ATRP); middle: an iron(II)/bipy complex that is intensely red; right: a ruthenium(II) complex [14] with a bipy derivative, which is an effective dye in dye-sensitized solar cells. Of the octahedral complexes only one stereoisomer is shown.