Influence of 3-4 Substitutions On Properties of Five Membered Polyheterocycles

Abstract
Thin films of 3-4 substitued 5-membered polyhetero-cycles derived from pyrrole and thiophene have been electro-chemically synthetized, showing reversible electrochemical oxydation and reduction processes, and conductivities varying between 10−4 and 102 ω−1 · cm. The absorption spectra of their doped and undoped states, their switching time and lifetime make some of these polymers interesting for electrochromic applications.

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