1. UNESP - Univ. Estadual Paulista; POSMAT - Programa de Pós-Graduação em Ciência e Tecnologia de Materiais; Av. Eng. Luiz Edmundo Carrijo Coube14-01 17033-360 Bauru, SP Brazil.
2. University of Rome ''La Sapienza''; Department of Chemistry; Piazzale Aldo Moro 5 Rome, RM Italy
3. University College Dublin, UCD, Belfield; Dublin 4 Ireland
4. C.H.O.S.E.-Center for hybrid and organic solar energy; Department of Electrical Engineering; University of Roma “Tor Vergata”; via del Politecnico 1 00133 Rome Italy
5. DC-FC - UNESP - Univ. Estadual Paulista; Av. Eng. Luiz Edmundo Carrijo Coube14-01 17033-360 Bauru, SP Brazil