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New sensory materials based on polymer–transition metal hybrids are reported. It is demonstrated that by tuning the redox potential of the organic backbone—which is based on cobalt-containing N,N′-ethylenebis(salicylidenimide) (salen) complexes such as those shown in the Figure—high conductivity and high sensitivity to coordinating ligands can be achieved.
Kingsborough et al. (Thu,) studied this question.