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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 14 — Jul. 2, 2012
  • pp: 15121–15125

Facile and economical synthesis of an electrochromic copolymer for black based on electropolymerization of thiophene and 3,4-ethylenedioxythiophene

Yi-jie Tao, Zhao-yang Zhang, Xiao-qian Xu, Nan-nan Wang, Yong-jiang Zhou, and Hai-feng Cheng  »View Author Affiliations

Optics Express, Vol. 20, Issue 14, pp. 15121-15125 (2012)

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We report the facile and economical synthesis of an electrochromic copolymer for black based on electrochemical copolymerization of thiophene and 3, 4-ethylenedioxythiophene in boron trifluoride diethyl etherate. The resultant copolymer presents multicolor electrochromism with reversible color change between drab color and blue black. Furthermore, in the polar state the resultant copolymer shows strong and broad absorption in the whole visible region and then exhibits black color. The copolymer presents a transmittance variation of 25% at 522 nm, and corresponding response times for bleaching and coloration are 4.2 and 3.3 s, respectively. Good electrochemical stability can be achieved by the copolymer film, which retains 87% of its original electroactivity after 2000 cycles.

© 2012 OSA

OCIS Codes
(000.1570) General : Chemistry
(160.2100) Materials : Electro-optical materials
(160.5470) Materials : Polymers
(310.6860) Thin films : Thin films, optical properties

ToC Category:

Original Manuscript: April 12, 2012
Revised Manuscript: May 28, 2012
Manuscript Accepted: May 29, 2012
Published: June 21, 2012

Yi-jie Tao, Zhao-yang Zhang, Xiao-qian Xu, Nan-nan Wang, Yong-jiang Zhou, and Hai-feng Cheng, "Facile and economical synthesis of an electrochromic copolymer for black based on electropolymerization of thiophene and 3,4-ethylenedioxythiophene," Opt. Express 20, 15121-15125 (2012)

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