Enhanced photovoltaic performance of inverted hybrid bulk-heterojunction solar cells using TiO2/reduced graphene oxide films as electron transport layers

Journal of Photonics for Energy v. 5, p. 057408-21, 2015 1.366 10.1117/1.jpe.5.057408 Morais, A. de; Alves, J. P. C.; Lima, F. A. S.; Lira- Cantu, M.; Nogueira, A. F. 2015