Efficiency Improvement in Dye-Sensitized Solar Cells by Modify Titanium Dioxide Formation on Supercritical Carbon Dioxide Fluid Synchronous Dyeing

Authors

  • Shen-Kung Liao  Department of Fiber and Composite Materials, Feng Chia University, Taichung, Taiwan
  • Jin-yu Ruan  Department of Fiber and Composite Materials, Feng Chia University, Taichung, Taiwan
  • Chie-Hao Chao  Department of Fiber and Composite Materials, Feng Chia University, Taichung, Taiwan
  • Chih-Hsun Liao  SCH Electronics Cooperative Limited, Taiwan

DOI:

https://doi.org//10.32628/IJSRST218497

Keywords:

Synchronous Dyeing, Dye-sensitized, Supercritical fluid, Anthocyanins, Chlorophyll, DSSC.

Abstract

In this study, the dye sensitized solar cells (DSSC) were assembled by using natural dyes extracted from roselle and red phoenix as sensitizer coated fluorine-doped tin dioxide substrate (FTO) plate used a counter electrode for nanocrystalline TiO2. We investigated the formation of modified titanium dioxide on dye-sensitized solar cells by simultaneous dyeing with supercritical carbon dioxide fluid. The photoelectrode is made of compact layer and scattering layer. Supercritical carbon dioxide fluid extracted natural dyestuff and synchronous dyed photoelectric. The photoelectric conversion efficiency is the best at the dyeing parameters of 3000 psi, 50 ºC, and 30 minutes. Experimental results show that adding a scattering layer to the compact layer can improve the conversion efficiency. SEM can observe that the polyethylene glycol-added scattering layer has more pore structures in which improves the electrode’s ability to capture sunlight. The conversion efficiency of 0.13% can be obtained by using 9:1 mixed dyes of anthocyanin and chlorophyll. The photoelectric conversion efficiency with the P25/R-type/PEG scattering layer is about 30% higher than that of a single compact layer. Finally the paper proposes a schematic diagram of the dye-sensitized solar cell.

References

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Published

2021-08-30

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Section

Research Articles

How to Cite

[1]
Shen-Kung Liao, Jin-yu Ruan, Chie-Hao Chao, Chih-Hsun Liao, " Efficiency Improvement in Dye-Sensitized Solar Cells by Modify Titanium Dioxide Formation on Supercritical Carbon Dioxide Fluid Synchronous Dyeing, International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011, Volume 8, Issue 4, pp.626-636, July-August-2021. Available at doi : https://doi.org/10.32628/IJSRST218497