Orange to green switching anthraquinone-based electrochromic material

Kim Bini; Desta Antenehe Gedefaw; Caroline Pan; Jonas M. Bjuggren; Anirudh Sharma; Ergang Wang; Mats R. Andersson

doi:10.1002/app.47729

Orange to green switching anthraquinone-based electrochromic material

Kim Bini, Desta Antenehe Gedefaw, Caroline Pan, Jonas M. Bjuggren, Anirudh Sharma, Ergang Wang, Mats R. Andersson

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

An easily accessible anthraquinone-benzodithiophene-based high bandgap polymer (PTAq) was synthesized by Stille coupling reactions in remarkably high yield (96.5%). The highest occupied molecular orbital energy level of the polymer was estimated from the onset of oxidation in a cyclic voltammetry study to be −5.7 eV. PTAq showed an orange-to-green color switching with the application of a 1.0-V external potential to the polymer film, which was visible to the naked eye. The optical behavior change was also monitored using ultraviolet–visible absorption spectroscopy and revealed a respectable 75% transmittance change when the polymer film was subjected to a 1.0-V external potential. The high color contrast observed makes PTAq one of the most promising materials for electrochromic device applications.

Original language	English
Article number	47729
Number of pages	6
Journal	Journal of Applied Polymer Science
Volume	136
Issue number	27
DOIs	https://doi.org/10.1002/app.47729
Publication status	Published - 15 Jul 2019

Keywords

anthraquinone
conjugated polymer
electrochromic devices

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10.1002/app.47729

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title = "Orange to green switching anthraquinone-based electrochromic material",

abstract = "An easily accessible anthraquinone-benzodithiophene-based high bandgap polymer (PTAq) was synthesized by Stille coupling reactions in remarkably high yield (96.5%). The highest occupied molecular orbital energy level of the polymer was estimated from the onset of oxidation in a cyclic voltammetry study to be −5.7 eV. PTAq showed an orange-to-green color switching with the application of a 1.0-V external potential to the polymer film, which was visible to the naked eye. The optical behavior change was also monitored using ultraviolet–visible absorption spectroscopy and revealed a respectable 75% transmittance change when the polymer film was subjected to a 1.0-V external potential. The high color contrast observed makes PTAq one of the most promising materials for electrochromic device applications.",

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AU - Bini, Kim

AU - Gedefaw, Desta Antenehe

AU - Pan, Caroline

AU - Bjuggren, Jonas M.

AU - Sharma, Anirudh

AU - Wang, Ergang

AU - Andersson, Mats R.

PY - 2019/7/15

Y1 - 2019/7/15

N2 - An easily accessible anthraquinone-benzodithiophene-based high bandgap polymer (PTAq) was synthesized by Stille coupling reactions in remarkably high yield (96.5%). The highest occupied molecular orbital energy level of the polymer was estimated from the onset of oxidation in a cyclic voltammetry study to be −5.7 eV. PTAq showed an orange-to-green color switching with the application of a 1.0-V external potential to the polymer film, which was visible to the naked eye. The optical behavior change was also monitored using ultraviolet–visible absorption spectroscopy and revealed a respectable 75% transmittance change when the polymer film was subjected to a 1.0-V external potential. The high color contrast observed makes PTAq one of the most promising materials for electrochromic device applications.

AB - An easily accessible anthraquinone-benzodithiophene-based high bandgap polymer (PTAq) was synthesized by Stille coupling reactions in remarkably high yield (96.5%). The highest occupied molecular orbital energy level of the polymer was estimated from the onset of oxidation in a cyclic voltammetry study to be −5.7 eV. PTAq showed an orange-to-green color switching with the application of a 1.0-V external potential to the polymer film, which was visible to the naked eye. The optical behavior change was also monitored using ultraviolet–visible absorption spectroscopy and revealed a respectable 75% transmittance change when the polymer film was subjected to a 1.0-V external potential. The high color contrast observed makes PTAq one of the most promising materials for electrochromic device applications.

KW - anthraquinone

KW - conjugated polymer

KW - electrochromic devices

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JO - Journal of Applied Polymer Science

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Orange to green switching anthraquinone-based electrochromic material

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