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- Title
Application of Al<sub>2</sub>O<sub>3</sub>, ZnO, and TiO<sub>2</sub> ALD thin films as antireflection coating in the silicon solar cells.
- Authors
Szindler, Marek; Szindler, Magdalena
- Abstract
The article describes the results of a research on the surface morphology and optical properties of Al2O3, ZnO, and TiO2 thin films deposited by atomic layer deposition (ALD) for applications in silicon solar cells. The surface topography and elemental composition were characterised using a scanning electron microscope, and thickness was determined using an optical reflectometer. The samples were structurally examined using a Raman spectrometer. The structural variant was identified: for Al2O3 it is sapphire, for TiO2 it is anatase, and for ZnO it is wurtzite. Possibilities of minimising light reflection using single and double thin film systems below 5% were presented. For the first time, the effectiveness of these thin films on the current-voltage characteristics and electrical parameters of manufactured silicon solar cells was examined and compared. The solar cell with the highest efficiency of converting solar radiation into electricity was obtained for Al2O3/TiO2 and the efficiency of such a photovoltaic device was 18.74%.
- Subjects
SURFACE morphology; ATOMIC layer deposition; SILICON solar cells; ANTIREFLECTIVE coatings; SOLAR cells
- Publication
Opto-Electronics Review, 2023, Vol 31, Issue 4, p1
- ISSN
1230-3402
- Publication type
Article
- DOI
10.24425/opelre.2023.148223