Influence of TiO2 layer thickness as photoanode in Dye Sensitized Solar Cells
Dye-sensitized solar cells (DSSCs) are categorized as some of inexpensive thin-film solar cells. The basis and foundation of these cells is a semiconductor that consists of an electrolyte and a light-sensitive anode. Titanium dioxide (TiO2) is a semiconductor that plays the role of anode and is the...
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Amirkabir University of Technology
2019-06-01
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| Series: | AUT Journal of Electrical Engineering |
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| Online Access: | https://eej.aut.ac.ir/article_3262_cb82e2901b677be100c5be0f325b504b.pdf |
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| author | Maryam Shirkavand Mohammad Bavir Ali Fattah Hamid Reza Alaei Mohammad Hossein Tayarani Najaran |
| author_facet | Maryam Shirkavand Mohammad Bavir Ali Fattah Hamid Reza Alaei Mohammad Hossein Tayarani Najaran |
| author_sort | Maryam Shirkavand |
| collection | DOAJ |
| description | Dye-sensitized solar cells (DSSCs) are categorized as some of inexpensive thin-film solar cells. The basis and foundation of these cells is a semiconductor that consists of an electrolyte and a light-sensitive anode. Titanium dioxide (TiO2) is a semiconductor that plays the role of anode and is the main constituent of these cells. In this paper, we have addressed the functionality and performance of TiO2 films with thicknesses of 2.96, 7.54 and 11.1 micrometers in DSSCs. The morphology, crystal structure and the optical bandgap are some of the effective elements on the electron transfer rate and recombination process in the TiO2 film. When using TiO2, one must choose the optimum thickness to ensure optimal short-circuit current, open-circuit voltage and fill factor, so that the cell can have the highest possible efficiency. Analyzing the obtained characteristic curves, it is concluded that the efficiency of a cell with a 2.96 micrometer TiO2 film is 4.2%; the efficiency of a cell with a 7.54 micrometer TiO2 film is 5.54% and the efficiency of a cell with an 11.1 micrometer Tio2 film is 6%. Also, analyzing the EIS shows that the highest electron life time is 17 milliseconds which is obtained for the cell with an 11.1 micrometer TiO2 film. The films of TiO2 for each cell are provided by the doctor-blade deposition method and the dyes are deposited on their surface. |
| format | Article |
| id | doaj-art-b2a6793067c54e8cba5540674ae83a49 |
| institution | Kabale University |
| issn | 2588-2910 2588-2929 |
| language | English |
| publishDate | 2019-06-01 |
| publisher | Amirkabir University of Technology |
| record_format | Article |
| series | AUT Journal of Electrical Engineering |
| spelling | doaj-art-b2a6793067c54e8cba5540674ae83a492025-08-20T03:27:43ZengAmirkabir University of TechnologyAUT Journal of Electrical Engineering2588-29102588-29292019-06-0151110111010.22060/eej.2019.15241.52543262Influence of TiO2 layer thickness as photoanode in Dye Sensitized Solar CellsMaryam Shirkavand0Mohammad Bavir1Ali Fattah2Hamid Reza Alaei3Mohammad Hossein Tayarani Najaran4Physics Dept, Khayyam University, Mashhad, IranElectrical and Computer Engineering Department, Semnan University, Semnan, IranFaculty of Electrical Engineering and Robotic, Shahrood University of Technology, Shahrood, IranFaculty of Physics, IAU Varamin-pishva Branch, Tehran, IranFaculty of Physics, Ferdowsi University of Mashhad, Mashhad, IranDye-sensitized solar cells (DSSCs) are categorized as some of inexpensive thin-film solar cells. The basis and foundation of these cells is a semiconductor that consists of an electrolyte and a light-sensitive anode. Titanium dioxide (TiO2) is a semiconductor that plays the role of anode and is the main constituent of these cells. In this paper, we have addressed the functionality and performance of TiO2 films with thicknesses of 2.96, 7.54 and 11.1 micrometers in DSSCs. The morphology, crystal structure and the optical bandgap are some of the effective elements on the electron transfer rate and recombination process in the TiO2 film. When using TiO2, one must choose the optimum thickness to ensure optimal short-circuit current, open-circuit voltage and fill factor, so that the cell can have the highest possible efficiency. Analyzing the obtained characteristic curves, it is concluded that the efficiency of a cell with a 2.96 micrometer TiO2 film is 4.2%; the efficiency of a cell with a 7.54 micrometer TiO2 film is 5.54% and the efficiency of a cell with an 11.1 micrometer Tio2 film is 6%. Also, analyzing the EIS shows that the highest electron life time is 17 milliseconds which is obtained for the cell with an 11.1 micrometer TiO2 film. The films of TiO2 for each cell are provided by the doctor-blade deposition method and the dyes are deposited on their surface.https://eej.aut.ac.ir/article_3262_cb82e2901b677be100c5be0f325b504b.pdfdye-sensitized solar cellphotoanodetio2thicknessefficiency |
| spellingShingle | Maryam Shirkavand Mohammad Bavir Ali Fattah Hamid Reza Alaei Mohammad Hossein Tayarani Najaran Influence of TiO2 layer thickness as photoanode in Dye Sensitized Solar Cells AUT Journal of Electrical Engineering dye-sensitized solar cell photoanode tio2 thickness efficiency |
| title | Influence of TiO2 layer thickness as photoanode in Dye Sensitized Solar Cells |
| title_full | Influence of TiO2 layer thickness as photoanode in Dye Sensitized Solar Cells |
| title_fullStr | Influence of TiO2 layer thickness as photoanode in Dye Sensitized Solar Cells |
| title_full_unstemmed | Influence of TiO2 layer thickness as photoanode in Dye Sensitized Solar Cells |
| title_short | Influence of TiO2 layer thickness as photoanode in Dye Sensitized Solar Cells |
| title_sort | influence of tio2 layer thickness as photoanode in dye sensitized solar cells |
| topic | dye-sensitized solar cell photoanode tio2 thickness efficiency |
| url | https://eej.aut.ac.ir/article_3262_cb82e2901b677be100c5be0f325b504b.pdf |
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