Self-assembly and electrochromic property of electroactive tetraaniline-b-PEG diblock copolymer

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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. A kind of amphiphilic rod-coil diblock copolymer consisting both of tetraaniline (TAni) and polyethylene glycol (PEG) blocks, TAni-b-PEG, was synthesized. Diblock copolymer shows excellent electrochromic properties, especially, in switching time and coloration efficiency with tetraaniline. TAni-b-PEG is able to self-assemble into spherical structures, 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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