Effect of different imidazolium-based ionic liquids on gel polymer electrolytes for dye-sensitized solar cells

Syairah, Aimi and Khanmirzaei, M.H. and Saidi, Norshahirah M. and Farhana, N.K. and Ramesh, Subramaniam and Ramesh, Kasi and Ramesh, Singh (2019) Effect of different imidazolium-based ionic liquids on gel polymer electrolytes for dye-sensitized solar cells. Ionics, 25 (5). pp. 2427-2435. ISSN 0947-7047

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Official URL: https://doi.org/10.1007/s11581-018-2603-6

Abstract

Host polymer electrolytes are prepared using poly(ethylene oxide) (PEO) as a polymer, ethylene carbonate (EC) and propylene carbonate (PC) as solvents, sodium iodide (NaI) as salt, and iodine (I2) and with either one of the ionic liquids (ILs) which are 1-methyl-3-propylimidazolium iodide (MPII), 1-butyl-3-methylimidozium (BMII), and 1-hexyl-3-methylimidozium iodide (HMII) in each gel polymer electrolyte. The ionic conductivity of the gel polymer electrolytes (GPEs) was measured by electrochemical impedance spectrometer (EIS). The ionic conductivity of GPEs increased with the presence of ionic liquids (ILs). At room temperature, the dielectric behaviors of the GPEs were studied. The highest ionic conductivity of 9.41 mS cm−1 is achieved after addition of MPII ionic liquid. Meanwhile, Fourier-transform infrared and X-ray diffraction studies confirm complexation between PEO polymer, NaI salt, and ionic liquids (MPII, BMII, and HMII). Dye-sensitized solar cells (DSSCs) were fabricated using polymer electrolytes and studied under Sun simulator. The DSSC using MPII ionic liquid shows the highest efficiency of 9.35%. © 2018, Springer-Verlag GmbH Germany, part of Springer Nature.

Item Type: Article
Uncontrolled Keywords: Gel polymer electrolyte; Imidazolium; Ionic conductivity; Ionic liquid
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering
Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 08 Jan 2020 07:08
Last Modified: 08 Jan 2020 07:08
URI: http://eprints.um.edu.my/id/eprint/23356

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