Rapid Communication in Photoscience

Korean Society of Photoscience (한국광과학회)
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Fabrication of Electrochromic Devices Using Double Layer Conducting Polymers for Infrared Transmittance Control

  • Kim, Jin Kyu (Department of Chemical and Biomolecular Engineering, Yonsei University) ;
  • Koh, Jong Kwan (Department of Chemical and Biomolecular Engineering, Yonsei University) ;
  • Kim, Bumsoo (Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Jeon, Seokwoo (Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Ahn, Joonmo (Agency for Defense Development (ADD)) ;
  • Kim, Jong Hak (Department of Chemical and Biomolecular Engineering, Yonsei University)
  • Received : 2014.06.06
  • Accepted : 2014.06.19
  • Published : 2014.06.01
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Abstract

We report the performance improvement of electrochromic devices for modulating the transmittance contrast of long wavelength infrared light between 1.5 and 5.0 ${\mu}m$ based on a double layer of conducting polymers. The device, fabricated with poly(3-hexylthiophene) (P3HT) and poly(3,4-ethylenedioxythiophene) (PEDOT) as the first and second layers, respectively, showed an transmittance contrast of 60% with a response rate under 5 s, which is greater than the transmittance contrast of cells based on only P3HT or PEDOT (approximately 40%).

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