... Journal of the ... 60 Ar 5 )(S 2 C 2 R 2 ) (R = CO 2 Me and CN) and Co(C 60 Ar 5 )(S 2 C 2 S 2 C = CS 2 C 2 R 2 ) were ... The C 60 -Co−TTF−Co-C 60 array exhibits very strong transitions in the near-infrared region (λ max = 1,100 nm, ε = 30 000 M −1 ·cm −1 ) due to a ligand-to-metal ...