Self-assembly and electrochromic property of electroactive tetraaniline-<Emphasis Type="Italic">b</Emphasis>-PEG diblock copolymer |
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| Authors: | Linyu Cao Jiping Yang Chen Gong Meng Wang |
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| Institution: | 1.Key Laboratory of Aerospace Advanced Materials and Performance, Ministry of Education; School of Materials Science and Engineering,Beihang University,Beijing,China |
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| Abstract: | A kind of amphiphilic rod-coil diblock copolymer consisting both of tetraaniline (TAni) and polyethylene glycol (PEG) blocks, TAni-b-PEG, was synthesized. The diblock copolymer shows excellent electrochromic properties, especially, in switching time and coloration efficiency compared with tetraaniline. TAni-b-PEG is able to self-assemble into spherical structure, which is attributed to the formation of conducting channels and increase of ion-exchange capacity of TAni-b-PEG, implying that a block copolymer with electrochromic block and high ionic conductive block simultaneously possesses improving electrochromic properties. |
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