Abstract
Subtractively normalized interfacial Fourier transform infrared spectroscopy (SNIFTIRS) and electrochemical monitoring demonstrated how insertion of Os or Ru bipyridyl substituents into the backbone of regioregular polythiophenes provided low energy access to the polymer backbone. The good coordination between the polymeric backbone and the metal complex effectively enables delocalization of charge across the polymeric structure, while the metallic centers act as “electronic gates” (during MLCT) or “hole injectors” (during LMCT) thus enabling the polymers to be redox switched (and hence rendered conductive) at lower potentials, and at faster rate, than their unsubstituted counterparts.
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