1. ITRPV Working Group. (2016). International Technology Roadmap for Photovoltaic (ITRPV): 2016 Results.
2. Solar cell efficiency tables (version 49);Green;Progress in Photovoltaics: Research and Applications,2017
3. “Limiting efficiencies for photovoltaic energy conversion in multigap systems”;Marti;Sol. Energy Mater. Sol. Cells,1996
4. Press release, Fraunhofer Institute for Solar Energy Systems, 1 December 2014 (accessed at http://www.ise.fraunhofer.de/en/press-and-media/press-releases/press-releases-2014/new-world-record-for-solar-cell-efficiency-at-46-percent on 7 December 2014).
5. Designing III–V multijunction solar cells on silicon;Connolly;Progress in Photovoltaics: Research and Applications,2014