(14) Lenhard, JR; Rocklin, R.; Abruna, H.; Willman, K.; Kuo, K.; Nowak, R.; Murray, RWJ Am. Chem. SOC. 1978, 100, 5213.(1 5) Solutions of N, N'-dimethyl-4, 4'-bipyridinium chloride yield polymers when reduced at Au electrodes in aqueous solutions. Such material could be related to that formed upon complete reduction of surfaces derivatized with I in aqueous media: Landrum, H.; Salmon, RT; Hawkridge, FM J. Am. Chem. SOC. 1977, 99, 3154; see ...