Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 93, Issue 12, Pages 2040-2044Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2009.08.007
Keywords
Electrochromic device; PEDOT; Polyaniline
Funding
- Center for Intelligent Nano-Bio Materials at Ewha Womans University [R11-2005-008-00000-0]
- Ministry of Education for the Brain Korea 21 (BK21)
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An organic-organic hybrid system composed of the polyaniline (PANI) and poly-(3,4-ethylenedioxythiophene) (PEDOT) with controlled thickness was developed successfully ill order to realize synergetic effects in electrochromic (EC) properties such as optical contrast and color-switching rate. From the UV transmittance spectra, we found that the optical contrast (Delta%T) was enhanced up to 6-72% at the wavelength of 580 nm compared with the previous PANI-PEDOT ECDs. Furthermore, the optimized ECD showed an extremely fast response time of less than 160 ins. It is therefore concluded that such a complementary full cell system of PEDOT-PANI ECD is applicable as an optical device. (C) 2009 Elsevier B.V. All rights reserved.
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