1. Progress toward 20% efficiency in Cu(In,Ga)Se2 polycrystalline thin-film solar cells
2. Proceedings of the 19th European Photovoltaic Solar Energy Conference, 7–11 June, Paris, France;Powalla,2004
3. Proceedings of the 19th European Photovoltaic Solar Energy Conference, 7–11 June, Paris, France;Kushiya,2004
4. PV-TRAC Report, http://europa.eu.int/comm/research/energy/photovoltaics/introduction_en.html, 2004.
5. J.M. Raulot, C. Domain, J.F. Guillemoles, Phys. Rev. B, in press.