Enhanced contrast ratios and rapid switching in electrochromics based on poly(3,4-propylenedioxythiophene) derivatives

D.M. Welsh, Anil Kumar, E.W. Meijer, J.R. Reynolds

Research output: Contribution to journalArticleAcademicpeer-review

282 Citations (Scopus)

Abstract

Dark opaque blue to transmissive light blue is the color transition that poly(3,4-propylenedioxythiophene) (PProDOT) and derivatives undergo when switched from their reduced to oxidized state. These polymers are very promising electrochromic materials - they exhibit more rapid switching, lower oxidation potentials, and greater stability than polythiophene. The synthesis and optical properties of the disubstituted derivative PProDOT-Me2 are reported and compared with those of PProDOT-Me and PProDOT. Substitution is found to improve the polymers electrochromic properties.
Original languageEnglish
Pages (from-to)1379-1382
Number of pages4
JournalAdvanced Materials
Volume11
Issue number16
DOIs
Publication statusPublished - 1999

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