Aziz, M. F. and Azam, M. A. and Yusuf, Siti Nor Farhana and Buraidah, Mohd Hamdi and Mohd Arof, Abdul Kariem (2022) Influence of potassium iodide in polyvinyl alcohol-based gel polymer electrolyte for efficiency enhancement of dye-sensitized solar cells. Journal of Polymer Research, 29 (11). ISSN 1022-9760, DOI https://doi.org/10.1007/s10965-022-03305-x.
Full text not available from this repository.Abstract
This study investigates the impact of small cations on improving conductivity and efficiency of dye-sensitized solar cells (DSSCs). The work includes preparation and characterization of polyvinyl alcohol-based gel polymer electrolytes (GPEs) containing tetramethyl ammonium iodide (TMAI) and potassium iodide (KI) salts. The degree of crystallinity of the GPEs has been determined from x-ray diffraction (XRD). From electrical impedance spectroscopy (EIS), the gel polymer electrolyte with only TMAI salt exhibits a conductivity of 1.72 mS cm(-1). On addition of KI salt, conductivity increased up to a maximum of 7.87 mS cm(-1) for the GPE comprising 70 wt. % KI. The dye-sensitized solar cells (DSSCs) with GPE comprising 100 wt. % TMAI - 0 wt. % KI exhibits a short-current density, J(sc) of 6.60 mA cm(-2) and open-circuit voltage, V-oc of 0.56 V. The fill factor, ff, and efficiency, eta, obtained are 79% and 2.92%, respectively. The existence of a small cation K+ in the GPE enhances DSSCs performance with GPE consisting of a 3:7 weight ratio between TMAI and KI exhibits J(sc) of 11.30 mA cm(-2) and V-oc of 0.60 V. The acquired fill factor, ff, and efficiency, eta, are 74% and 5.02%, respectively.
| Item Type: | Article |
|---|---|
| Funders: | Universiti Teknikal Malaysia Melaka short-term research grant (PJP/2020/FKP/PP/S01758) |
| Uncontrolled Keywords: | GPEs; Conductivity; Potassium iodide; Tetramethyl ammonium iodide; DSSCs |
| Subjects: | Q Science > Q Science (General) |
| Divisions: | Centre for Foundation Studies in Science > Chemistry Division Faculty of Science > Department of Physics |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 14 Jul 2023 03:00 |
| Last Modified: | 14 Jul 2023 03:00 |
| URI: | http://eprints.um.edu.my/id/eprint/41040 |
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