1. Solar cell efficiency tables (version 37)
2. S. Kurtz, Opportunities and Challenges for Development of a Mature Concentrating Photovoltaic Power Industry, Technical Report NREL/TP-520-43208, February, 2009, and ref. cit.
3. 40.8% efficient inverted triple-junction solar cell with two independently metamorphic junctions
4. III N V semiconductors for solar photovoltaic applications
5. T. Agui, T. Takamoto, and M. Kaneiwa, Proceedings of 3rd World Conference on Photovoltaic Energy Conversion, Osaka, Japan (IEEE, New York, 2003), p. 670 (2003).