Neutron reflectometry and hard X-ray photoelectron spectroscopy study of the vertical segregation of PCBM in organic solar cells

1. Urbina, A.
2. Abad, J.
3. Fernández Romero, A.J.
4. Lacasa, J.S.
5. Colchero, J.
6. González-Martínez, J.F.
7. Rubio-Zuazo, J.
8. Castro, G.R.
9. Gutfreund, P.