Journal
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume 50, Issue 4, Pages 615-621Publisher
WILEY-BLACKWELL
DOI: 10.1002/pola.25047
Keywords
conducting polymers; conjugated polymers; electrochemistry; electrochromism; polyselenophenes; 3,4-propylenedioxyselenophenes; ProDOS; redox polymers
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Funding
- Scientific and Technical Research Council of Turkey [TUBITAK-110T564]
- European Cooperation in Science and Technology [COST-108T959]
- Atilim University [ATU-ALP-1011-02, ATU-BAP-1011-01]
- Turkish Academy of Sciences (TUBA)
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Electrochromic polymers called poly(3,4-dihydro-3,3-bis ((naphthalen-1-yl)methyl)-2H-thieno[3,4-b][1,4]dioxepine) (PProDOT-Np-2), poly(3,3-dibenzyl-3,4-dihydro-2H-selenopheno[3,4-b][1,4]dioxepine), and poly(3,3-dibenzyl-3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine) were synthesized electrochemically and the effect of substituents and heteroatoms on the electrochromic properties were investigated for the similar systems. All polymers show electrochromism from a colored state when neutralized to transmissive when oxidized. Although, increasing bulky size (PProDOT-Np-2) causes lower coloration efficiency (CE) as well as lower optical contrast, the replacement of S atom by Se atom resulted in a lower band gap polymer with a higher CE than its thiophene analog. (c) 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 50: 615- 621, 2012
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