Improving efficiency of solar cell for MnS through annealing.

Autor: Fadaam, Suha A., Ali, Hiba M., Shaban, Auday H., Ahmed, Saja Amer, Salame, Chafic-Touma, Shaban, Auday, Jabur, Akram R, Haider, Adawiya J
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Zdroj: AIP Conference Proceedings; 2020, Vol. 2307 Issue 1, p1-6, 6p
Abstrakt: The demands for energy are getting bigger with the increasing of the development of life's technology. The renewable sources of energy are connected to the main one which is solar energy. So, its obvious that the best approaches for gathering the energy is from solar light directly. The device that collect energy is solar cells and these devices having a limit for this conversion due to their efficiencies. The main approach of this article is to investigate a way to evaluate the efficiency of Manganese Sulfide-Silicon solar cells. The samples were prepared by vacuum evaporation technology, the samples were annealed at 300°C temperature for one hour. The structure and optical properties were investigated, with X-ray diffraction, Atomic Force Microscopy, Ultra-Violet-Visible, and I-V characteristics under dark and illumination. The results showed the structure of the Manganese Sulfide films are cubic, and the AFM images shows the perfect homogeneity of the films surface. The energy gap values for the films was found at (2.7 and 2.9) eV for (as prepared, 300°C) respectively, where it increases by increasing the temperature of the annealing. The solar cells efficiency where increased after annealing by 300°C and it reach (4.71%). [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index