Flexible metal-free counter electrode for dye solar cells based on conductive polymer and carbon nanotubes

1. Aitola, K.
2. Borghei, M.
3. Kaskela, A.
4. Kemppainen, E.
5. Nasibulin, A.G.
6. Kauppinen, E.I.
7. Lund, P.D.
8. Ruiz, V.
9. Halme, J.