Studies of tetra-(bipyridilium) salts as possible polyelectrochromic materials |
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| Authors: | D R Rosseinsky P M S Monk |
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| Affiliation: | (1) Department of Chemistry, The University, EX4 4QD Exeter, Great Britain;(2) Present address: Department of Chemistry, Manchester Metropolitan University, Chester Street, M1 5GD Manchester, Great Britain |
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| Abstract: | A polybipyridilium species has been prepared with four diquaternised bipyridine moieties around a durene core; mixed halide (bromide with iodide or with chloride) as well as single-anion (chloride) salts were studied, and their electrochemistry investigated. Three reduction processes are inferred producing a pink (di-reduced) species, a purple (tetra-reduced) species and a beige-coloured fully-reduced product. Mixed anion effects, in conjunction with dimer association and comproportionation, led to more complicated anodic electrochemistry than when only chloride anions were involved. |
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