Organosoluble Starch-Cellulose Binary Polymer Blend as a Quasi-Solid Electrolyte in a Dye-Sensitized Solar Cell

Selvanathan, Vidhya and Yahya, Rosiyah and Ruslan, Mohd Hafidz and Sopian, Kamaruzzaman and Amin, Nowshad and Nour, Majid and Sindi, Hatem and Rawa, Muhyaddin and Akhtaruzzaman, Md. (2020) Organosoluble Starch-Cellulose Binary Polymer Blend as a Quasi-Solid Electrolyte in a Dye-Sensitized Solar Cell. Polymers, 12 (3). p. 516. ISSN 2073-4360

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Official URL: https://doi.org/10.3390/polym12030516

Abstract

This work is a pioneer attempt to fabricate quasi-solid dye-sensitized solar cell (QSDDSC) based on organosoluble starch derivative. Rheological characterizations of the PhSt-HEC blend based gels exhibited viscoelastic properties favorable for electrolyte fabrication. From amplitude sweep and tack test analyses, it was evident that the inclusion of LiI improved the rigidity and tack property of the gels. On the other hand, the opposite was true for TPAI based gels, which resulted in less rigid and tacky electrolytes. The crystallinity of the gels was found to decline with increasing amount of salt in both systems. The highest photoconversion efficiency of 3.94% was recorded upon addition of 12.5 wt % TPAI and this value is one of the highest DSSC performance recorded for starch based electrolytes. From electrochemical impedance spectroscopy (EIS), it is deduced that the steric hindrance imposed by bulky cations aids in hindering recombination between photoanode and electrolyte. © 2020 by authors.

Item Type: Article
Uncontrolled Keywords: phthaloyl starch; hydroxyethyl cellulose; rheology; quasi-solid electrolyte; dye-sensitized solar cell
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Divisions: Faculty of Science > Dept of Chemistry
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 25 Jun 2020 00:55
Last Modified: 25 Jun 2020 00:55
URI: http://eprints.um.edu.my/id/eprint/24984

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