期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 6, 期 8, 页码 2122-2128出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201000763
关键词
dual-polymers; electrochromic devices; fast response time; high coloration efficiency; PEDOT
资金
- National Research Foundation of Korea (NRF) [2011-0001340, 2011-0001334, 2010-0018895, 2010-0024370]
- WCU program [R31-2008-000-10010-0]
- State Key Laboratory of Fine Chemicals of China [KF0809]
- Ministry of Education, Science and Technology
- National Research Foundation of Korea [2010-0024370] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A new dual-polymer electrochromic device (ECD) composed of poly(3,4-(1,4-butylene-(2-ene)dioxy)thiophene) (PBueDOT) and polyaniline (PANI) with a hydrophobic molten salt electrolyte has been developed. To build this system, an alkylenedioxy ring in the BueDOT backbone was expanded to include a strongly electron-donating alkylenedioxy bridge, and the thickness and surface morphology of the corresponding PBueDOT film were controlled systematically. Not only the dual-electrochromic-polymer-electrode system, but also the expanded alkylenedioxy ring in the BueDOT backbone, synergistically improved the electrochromic performance. From the coloration efficiency (CE) value calculations, we found that the CE was enhanced up to 930 cm(2) C-1. Furthermore, these ECDs showed an extremely fast response time of less than 80 ms.
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