Perovskite Solar Cells Based on Oligotriarylamine Hexaarylbenzene as Hole-Transporting Materials

1. Shasti, M.
2. Völker, S.F.
3. Collavini, S.
4. Valero, S.
5. Ruipérez, F.
6. Mortezaali, A.
7. Zakeeruddin, S.M.
8. Grätzel, M.
9. Hagfeldt, A.
10. Delgado, J.L.