Performance studies of ZnO and multi walled carbon nanotubes-based counter electrodes with gel polymer electrolyte for dye-sensitized solar cell

Chew, J.W. and Khanmirzaei, Mohammad Hassan and Numan, Arshid and Omar, Fatin Saiha and Ramesh, Kasi and Ramesh, Subramaniam (2018) Performance studies of ZnO and multi walled carbon nanotubes-based counter electrodes with gel polymer electrolyte for dye-sensitized solar cell. Materials Science in Semiconductor Processing, 83. pp. 144-149. ISSN 1369-8001

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Official URL: https://doi.org/10.1016/j.mssp.2018.04.036

Abstract

Counter electrode (CE) is one of the major component which determine the energy conversion efficiency of the dye-sensitized solar cells (DSSCs). Here in, five types of CEs using two different materials were fabricated. Three types are zinc oxide (ZnO) based while other two are multi-walled carbon nanotubes based CEs. The thickness and resistance per cm2 of each CE were measured. The gel polymer electrolyte based on polyacrylonitrile polymer, sodium iodide salt, 1-Hexyl-3-methyl-imidazolium iodide ionic liquid was also prepared. The conductivity studies revealed that the highest ionic conductivity of gel polymer electrolyte was 6.72 mS cm−1 upon incorporation of 100 wt% 1-Hexyl-3-methyl-imidazolium iodide ionic liquid. This gel polymer electrolyte was sandwiched between commercial TiO2 photo-anode and different types of CE to fabricate the DSSCs. The J-V characteristic curves of the DSSCs were obtained and the DSSC characterization parameters were determined. The efficiencies achieved using ZnO and MWCNT-based CEs were ranging from 0.46% to 7.07%. The results demonstrate that ZnO and multi-walled carbon nanotubes are good candidates of CEs for DSSC application.

Item Type: Article
Uncontrolled Keywords: Counter electrode; Dye-sensitized solar cell; Multi-walled carbon nanotubes; ZnO; Gel polymer electrolyte
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science > Dept of Physics
Depositing User: Ms azrahani halim
Date Deposited: 01 Nov 2012 03:01
Last Modified: 04 Sep 2019 09:23
URI: http://eprints.um.edu.my/id/eprint/3820

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