Thia-Bridged Triarylamine[4]helicene-Functionalized Polynorbor­nenes as Redox-Active pH-Sensitive Polymers

Abstract

A series of thia-bridged triarylamine[4]helicene-functionalized polynorbornenes P1, P2, and P3 were synthesized via ring-opening metathesis polymerization (ROMP). The polymers obtained undergo a reversible one-electron oxidation, in both solution and solid state, responding to the pH changes in the surrounding medium showing a clear reversible electrochromic behavior.

Key words

hetero[4]helicenes - radical cations - ROMP - pH-sensitive polymers - redox polymers - electrochromic polymers

• References

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