A Processable Rainbow Mimic Fluorescent Polymer and Its Unprecedented Coloration Efficiency in Electrochromic Device

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2008

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Pergamon-elsevier Science Ltd

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Chemical Engineering
(2010)
Established in 2010, and aiming to train the students with the capacity to meet the demands of the 21st Century, the Chemical Engineering Department provides a sound chemistry background through intense coursework and laboratory practices, along with fundamental courses such as Physics and Mathematics within the freshman and sophomore years, following preparatory English courses.In the final two years of the program, engineering courses are offered with laboratory practice and state-of-the-art simulation programs, combining theory with practice.

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Abstract

A processable rainbow mimic fluorescent polymer (PSNSF) based on 1-(9H-fluoren-2-yl)-2,5-di(thiophen-2-yl)-1H-pyrrole (SNSF) was synthesized via electrochemical polymerization in a mixture of ethanol and CH2Cl2 solution containing 0.1 M LiClO4. Characterization was carried out using cyclic voltammetry, UV-vis and F-FAR spectroscopic techniques. Also, an electrochromic device based on PSNSF was studied, which exhibits high coloration efficiency (CE), high redox stability (retaining 98.6% of its optical activity after 4000th switch) and very low response time (less than 0.5 s). (c) 2007 Elsevier Ltd. All rights reserved.

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Algi, Fatih/0000-0001-9376-1770
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polythiophene, polypyrrole, fluorene, electrochromic device, coloration efficiency

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53

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5

Start Page

2574

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2578

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https://doi.org/10.1016/j.electacta.2007.10.030
 https://hdl.handle.net/20.500.14411/924

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