A platform to synthesize a soluble poly(3,4‐ethylenedioxythiophene) analogue |
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| Authors: | Salih Ertan Cevdet Kaynak Atilla Cihaner |
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| Institution: | 1. Atilim Optoelectronic Materials and Solar Energy Laboratory (ATOMSEL), Chemical Engineering and Applied Chemistry Department, Atilim University, Ankara, Turkey;2. Polymer Science and Technology Department, Middle East Technical University, Ankara, Turkey;3. Metallurgical and Materials Engineering Department, Middle East Technical University, Ankara, Turkey |
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| Abstract: | Alkyl‐substituted polyhedral oligomeric silsesquioxane (POSS) cage is combined with 3,4‐ethylenedioxythiophene under the same roof. The corresponding monomer called EDOT‐POSS is used to get soluble poly(3,4‐ethylenedioxythiophene) (PEDOT‐POSS) analogue. Both chemically and electrochemically obtained polymers are soluble in common organic solvents like dichloromethane, chloroform, tetrahydrofuran, and so forth. The PEDOT‐POSS has somewhat higher band gap (1.71 eV at 618 nm) than its parent PEDOT (1.60 eV at 627 nm) and as expected the PEDOT‐POSS exhibits higher optical contrast (74% at 618 nm) and coloration efficiency (582 cm2/C for 100% switching), lower switching time (0.9 s), higher electrochemical stability (93% of its electroactivity retains after 5000 cycles under ambient conditions) when compared to the PEDOT. A number of advantages of the PEDOT‐POSS over the PEDOT can make it a promising material in the areas of electro‐optical applications. © 2017 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2017 , 55, 3935–3941 |
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| Keywords: | electrochromism PEDOT polyhedral oligomeric silsesquioxane POSS thiophene |
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