Numerical method of the TiO2 porosity effect on dye sensitized solar cell exergy efficiency
| Autor: | Yassin L. Nimir, Jamal Alsadi, Luis Ferreira, Khalid Zouhri, Molham Chikhalsouk, Fouad Koudsi, Sharis Mohamad, Omar Khondker, Monsif Shinneeb |
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| Rok vydání: | 2017 |
| Předmět: |
Work (thermodynamics)
Materials science Renewable Energy Sustainability and the Environment business.industry 020209 energy Schottky barrier 02 engineering and technology 021001 nanoscience & nanotechnology Solar energy Active layer Dye-sensitized solar cell Continuity equation 0202 electrical engineering electronic engineering information engineering Exergy efficiency Optoelectronics General Materials Science 0210 nano-technology business Porosity |
| Zdroj: | Solar Energy. 155:920-933 |
| ISSN: | 0038-092X |
| DOI: | 10.1016/j.solener.2017.06.064 |
| Popis: | The Dye sensitized solar cell (DSSC) efficiency still need to be improved to be competitive with other solar energy source. To battle this issue a band gap engineering materials for the DSSC need to be considered. In this work, we analyzed the TiO2 parameters on the exergy efficiency using the solved governing continuity equation for electron, iodide and tri-iodide that were discretized using the finite differences method (FDM). The results shows that in order to obtain the maximum exergy efficiency it is recommended to have the porosity in the range of 0.38–0.40, the active layer thickness of mesoporous TiO2 in between 0.0005 cm and 0.0004 cm and Schottky barrier height in the range of 0.2–0.3 (eV). |
| Databáze: | OpenAIRE |
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