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- W2149648275 abstract "Abstract Novel bi‐triphenylamine‐containing aromatic dibromide M3 , N , N ‐bis(4‐bromophenyl)‐ N ′, N ′‐dipheny‐l,4‐phenylenediamine, was successfully synthesized. The novel conjugated polymer P1 having number‐average molecular weight of 1.31 × 10 4 was prepared via Suzuki coupling from the dibromide M3 and 9,9‐dioctylfluorene‐2,7‐diboronic acid bis(1,3‐propanediol) ester. Polymer P1 had excellent thermal stability associated with a high glass‐transition temperature ( T g = 141 °C). The hole‐transporting and UV‐vis‐near‐infrared electrochromic properties were examined by electrochemical and spectroelectrochemical methods. Cyclic voltammograms of the conjugated polymer films cast onto indium‐tin oxide‐coated glass substrates exhibited two reversible oxidation redox couples at E 1/2 values of 0.73 and 1.13 V versus Ag/Ag + in acetonitrile solution. The hole mobility of the conjugated polymer P1 revealed ∼10 −3 cm 2 V −1 s −1 , which is much higher than that of other conjugated polymer systems. The observed UV‐vis‐near‐infrared absorption change in the conjugated polymer film P1 at applied potentials ranging from 0.00 to 1.23 V are fully reversible and associated with strong color changes from pale yellowish in its neutral form to green and blue in its oxidized form. Using a combination of experimental study and theoretical investigation, we proposed an oxidation mechanism based on molecular orbital theory, which explains the cyclic voltammetry experimental results well. © 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2010" @default.
- W2149648275 created "2016-06-24" @default.
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- W2149648275 date "2010-09-07" @default.
- W2149648275 modified "2023-10-18" @default.
- W2149648275 title "Novel triarylamine-based alternating conjugated polymer with high hole mobility: Synthesis, electro-optical, and electronic properties" @default.
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