Potential of advanced optical concepts in chalcopyrite-based solar cells
| Autor: | Marko Topič, Janez Krč, Benjamin Lipovšek |
|---|---|
| Rok vydání: | 2010 |
| Předmět: |
Advanced optical concepts
Materials science Tandem business.industry Chalcopyrite Optical Concepts Reflector (antenna) Copper indium gallium selenide solar cells Energy(all) Chalcopyrite tandem solar cells visual_art visual_art.visual_art_medium Standard test Optoelectronics Optical and electrical modelling business Absorption (electromagnetic radiation) |
| Zdroj: | Energy Procedia. 2(1):143-150 |
| ISSN: | 1876-6102 |
| DOI: | 10.1016/j.egypro.2010.07.020 |
| Popis: | The potential of three advanced optical concepts in chalcopyrite-based solar cells is investigated by means of simulations with realistic optical and electrical parameters of state-of-the-art CGS and CIGS cells. First, a monolithically stacked tandem CGS/CIGS structure is analysed, achieving efficiencies up to 20.3% under standard test conditions. Then, in order to reduce the effects of the parasitic sub-bandgap absorption, a wavelength-selective intermediate reflector is incorporated in the tandem, leading to efficiencies up to 20.8%. Finally, the concept of spectrum splitting is tested in a hybrid four-terminal configuration of dislocated CGS and CIGS cells, and efficiencies up to 22.5% are simulated. To indicate further possible improvements, all three concepts are also tested in optically and electrically idealised CGS/CIGS structures, indicating the potential of efficiencies up to 28%. |
| Databáze: | OpenAIRE |
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