1. 12.8% Efficiency Cu(In,Ga)Se2 solar cell on a flexible polymer sheet
2. Flexible CdTe solar cells on polymer films
3. J. Herrero, C. Guillén, Proceedings of the Seventh European Vacuum Conference, Madrid, 2001, p. 81
4. J. Herrero, C. Guillén, Proceedings of the 17th European Photovoltaic Solar Energy Conference, Munich, 2001, p. 125
5. C. Guillén, J. Herrero, Proceedings of the International Conference on Advanced Materials and Processing Technologies, Madrid, 2001, p. 575