1. Progress toward 20% efficiency in Cu(In,Ga)Se2 polycrystalline thin-film solar cells
2. R. W. Birkmire, inProceedings of the 26th IEEE Photovoltaic Specialist Conference, Anaheim, CA (IEEE, New York, 1997), p. 295.
3. A. Jasenek, T. Hahn, M. Schmidt, K. Weinert, M. Wimbor, G. Hanna, K. Orgassa, M. Hartmann, H. W. Schock, U. Rau, J. H. Werner, B. Schattat, S. Kraft, K. H. Schmid, W. Bolse, G. La Roche, A. Robben, and K. Bogus, inProceedings of the 16th European Photovoltaic Solar Energy Conference, Glasgow, UK(James & James, London, 2000), p. 983.
4. Radiation resistance of Cu(In,Ga)Se2 solar cells under 1-MeV electron irradiation