AI Article Synopsis
- This study introduces a new type of quasi-solid dye-sensitized solar cell (QSDDSC) using a starch derivative that dissolves in organic solvents.
- Rheological tests showed that blending starch with certain additives like LiI enhanced the gels' rigidity and tackiness, while other additives like TPAI resulted in less effective gels.
- The QSDDSC achieved a notable photoconversion efficiency of 3.94%, highlighting its potential as one of the better-performing solar cells derived from starch-based materials.
Article 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.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7182809 | PMC |
| http://dx.doi.org/10.3390/polym12030516 | DOI Listing |
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