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Tailoring The Conducting Polymers PPY And PANI With Ionic Liquid BMIMBr For Enhanced Electrochromic Properties

Journal: International Journal of Scientific & Technology Research (Vol.6, No. 6)

Publication Date:

Authors : ; ; ; ; ;

Page : 72-80

Keywords : Ionic liquid; Polyaniline; Polypyrrol; ionogel; electrochromic; transmission; conductivity;

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Abstract

Conservation of energy is the biggest need of the hour for developing countries. Smart windows with electrochromic characteristics can be one of the solutions for power shortfall. In this study ionic liquid BMIMBr is successfully synthesized by the reflux method. Ionogels comprising of ionic liquid and polymers Polyaniline and Polypyrrol were electrochemically deposited by galvanostatic methods. These films are structurally characterized by XRD and SEM. Concentration of monomer and ionic liquid was changed in order to study the effect on electrochemical and electrochromic properties. The electrochromic character was analyzed by optical studies and colour change was evident at different potentials. To further investigate the electron transport properties electrical conductivity studies were carried out. In a nutshell different parameters are studied with respect to concentration and temperature so that best material could be obtained showing high optical contrast and stability. Taking these studies in account an effective electrochromic device can be fabricated.

Last modified: 2017-10-22 19:55:28