Transparent conducting oxide-free dye-sensitized solar cells based solely on flexible foils

Industrial & Engineering Chemistry Research v. 51, n. 28 , p. 9700-9703, 2012 2.237 10.1021/ie300842v Bonilha, C.; Benedetti, J. E.; Nogueira, A. F.; Gonçalves, A. S. 2012