1. D. Fuhrmann et al., “About 42%-class CPV cells and pathways beyond” Proc. of 9th International Conference on Concentrator Photovoltaics, Miyazaki, 2013.
2. Datasheet: Concentrator Triple Junction Solar Cell Type: 3C44 – 5,5 x 5,5mm², 4356-00-01, www.azurspace.com
3. Four-Junction Wafer-Bonded Concentrator Solar Cells
4. Six-junction III–V solar cells with 47.1% conversion efficiency under 143 Suns concentration
5. M. Meusel, et al., “Design, Testing and Production of 4G32-Advanced Upright Metamorphic Four-Junction Solar Cells with 28.7% EOL (1E15 cm-2 1MeV e-) efficiency”, Presentation at the 12th European Space Power Conference 2019, Juan-les-Pins, France.