A numerical study of high efficiency ultra-thin CdS/CIGS solar cells
| Autor: | Zahir Rouabah, Nacer-Eddine Chelali, Sabrina Benabbas, Hocine Heriche |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
010302 applied physics
Materials science Computer Networks and Communications business.industry Energy conversion efficiency chemistry.chemical_element 02 engineering and technology Development 021001 nanoscience & nanotechnology 01 natural sciences Capacitance Copper indium gallium selenide solar cells Computer Science Applications law.invention chemistry law Molybdenum 0103 physical sciences Solar cell Electronic engineering Optoelectronics 0210 nano-technology business Layer (electronics) Civil and Structural Engineering |
| Zdroj: | African Journal of Science, Technology, Innovation and Development. 8:340-342 |
| ISSN: | 2042-1346 2042-1338 |
| DOI: | 10.1080/20421338.2015.1118929 |
| Popis: | This work aims to improve the performance of solar cells with structure SnO2/CdS/CIGS/Mo by using the solar cell capacitance simulator (SCAPS-1D). Our idea is to insert the SnS layer between the absorber layer CIGS and the Mo (molybdenum) back contact. A maximum conversion efficiency of 24.45% (VOC = 0.78 V, JSC = 38.66 mA/cm2, FF = 0.80) was achieved with 1 μm-CIGS absorber layer, 50 nm-CdS buffer layer, 200 nm of ZnO window layer and 300 nm of SnS BSF layer. This study shows that ultra-thin CIGS solar cells with a BSF layer give better results compared to the work of Gloeckler (2005), which presented an efficiency of 19.62% (VOC = 0.61 V, JSC = 39.23 mA/cm2, FF = 0.81) with 3 µm thickness of CIGS in the structure ZnO/CdS/CIGS/Mo. In addition to this, the cells’ stability with temperature was studied and analysed. |
| Databáze: | OpenAIRE |
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