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The synthesis and properties of poly(3,4-ethylenedioxythiophene) (PEDOT) are reported. The polymer shows a low band-gap, 0.5 eV lower than that ofpolythiophene. This leads to very pronounced electrochromic properties since the doped polymer is almost transparent, with a sky-blue tint, and the neutral polymer is blue-black. The low band-gap also leads to the possibility of n-doping by electrochemical methods. The conductivity of the doped polymer is up to 200 S cm- 1, and the stability is remarkable, much better than observed in our studies of the polythiophene and polypyrrole families.

Посилання на статтю:

Electrochromic and highly stable poly(3,4- ethylenedioxythiophene) switches between opaque blue-black and transparent sky blue / Qibing Pei*, Guido Zuccarello, Markus Ahlskogt and Olle Inganas // Polymer. – 1994. – Vol 35. – P. 1347-1351.

Electrochromic and highly stable poly(3,4- ethylenedioxythiophene) switches between opaque blue-black and transparent sky blue - Завантажити.