1. A 27.3% efficient Ga0.5In0.5P/GaAs tandem solar cell
2. T. Takamoto, T. Agui, E. Ikeda, H. Kurita, Proceedings of the 28th IEEE Photovoltaic Specialists Conference, IEEE, New York, 2000, p.976.
3. R.R. King, C.M. Fetzer, P.C. Colter, K.M. Edmondson, J.H. Ermer, H.L. Cotal, H. Yoon, A.P. Stavrides, G. Kinsey, D.D. Krut, N.H. Karam, Proceedings of the 29th IEEE Photovoltaic Specialists Conference, IEEE, New York, 2002, p.776.
4. R.R. King, M. Haddad, T. Isshiki, P.C. Colter, J.H. Ermer, H. Yoon, D.E. Joslin, N.H. Karam, Proceedings of the 28th IEEE Photovoltaic Specialists Conference, IEEE, New York, 2000, p.982.
5. 25.5% efficient Ga/sub 0.35/In/sub 0.65/P/Ga/sub 0.83/In/sub 0.17/As tandem solar cells grown on GaAs substrates