Performance Dependence of Organic Solar Cells as a Function of Active Layer Thickness, Luminous Intensity and Temperature of Thermal Annealing
| Authors | O. Ourahmoun |
| Affiliations |
Laboratory of Advanced Technologies of Genie Electrics (LATAGE), Faculty of Electrical and Computer Engineering, Mouloud Mammeri University (UMMTO), BP 17 RP 15000, Tizi-Ouzou, Algeria |
| Е-mail | ourahmounourida@yahoo.fr |
| Issue | Volume 11, Year 2019, Number 2 |
| Dates | Received 13 December 2018; revised manuscript received 03 April 2019; published online 15 April 2019 |
| Citation | O. Ourahmoun, J. Nano- Electron. Phys. 11 No 2, 02004 (2019) |
| DOI | https://doi.org/10.21272/jnep.11(2).02004 |
| PACS Number(s) | 78.20.nb, 88.40.jr |
| Keywords | Inverted organic cells, Absorption (17) , IPCE, Thickness (13) , Light intensity, Thermal annealing (4) . |
| Annotation |
Photovoltaic cells are optoelectronic devices for converting light energy into electrical energy. This work studies the effect of the active layer thickness on the performances of the inverted organic solar cells. The structures of the devices manufactured are Glass/ITO/ZnO NPS/P3HT:PCBM/PEDOT(FO10)/Ag. The active layer based on a blend of poly (3-hexylthiophene) and fullerene with a ratio of 1:0.8 is spin-coating at different speeds in order to obtain different thicknesses. ZnO NPS (30 nm) were used to improve electron transport between ITO and the active layer. PEDOT (F010) (40 nm) were used as a hole transport layer. The commercial ITO used in this study has a sheet resistance of 7 Ω/□ for a thickness of 110 nm. The fabrication and the characterization of the cells as well as the optical properties of materials used and the photovoltaic parameters of the solar cells are reported in the paper. A direct relation between the active layer thickness and efficiency of the inverted organic solar cells is proved. An efficiency of 4.36 % is obtained for 200 nm of P3HT:PCBM. The effect of light intensity and the thermal annealing on the performances of photovoltaic cells are discussed. The characterizations of the cells show that the luminous intensity influences the electrical and optical parameters of organic solar cells. |
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List of References |
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