Electrochromic properties of a soluble conducting polymer: Poly(1-(4-fluorophenyl)-2,5-di(thiophen-2-yl)-1H-pyrrole)
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Add time:08/08/2019 Source:sciencedirect.com
1-(4-Fluorophenyl)-2,5-di(thiophen-2-yl)-1H-pyrrole (FPTP) was synthesized and polymerized both chemically and electrochemically. Spectroelectrochemistry experiments reflected a π to π* transition with a band gap energy of 1.94 eV for the polymer. A dual type electrochromic device (ECD) of P(FPTP) and poly(3,4-ethylenedioxythiophene) (PEDOT) was constructed. The device switches between yellow and blue upon application of −0.8 V and +1.1 V, respectively. Optical contrast was calculated as 19.4% whereas switching time was found as 1.4 s at maximum contrast point.
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